300 Blackout 110 gr V-MAX ... Versatile Hornady bullet options; Optimized performance from various platforms; Test Barrel (16") Muzzle. All around club 150yds. The Discreet Ballistics 300 Blackout 190gr Subsonic Target Load is intended for use in semi-automatic and bolt action firearms chambered in 300 AAC Blackout. I'm not sure what the charts called, ballistic drop chart perhaps, but I'm looking for the ballistic drop chart for Sig Sauer .300 Blackout 220 gr Sierra Match King Elite Match Grade subsonic ammo. The disparity in the BCs makes me think that either Engel is underestimating their BC or Hornady is overestimating theirs. Facebook; Instagram; Youtube; About Us. A light buffer doesn’t do the job, but really isn’t optimal even for 5.56. Give me a .308WIN, 30-06, or half a dozen other common caliber rounds in a good rifle any day. Barnes 300 Blackout TAC-TX bullets fired from 9" and 16" barrels into 10% bare ordnance ballistics gelatin. I was starting to think it was just another thing Washington banned. This is especially true compared to the 5.56. U.S.A. –-(Ammoland.com)-Here we will discuss how the trajectory of the .300 Blackout is better than that of other, faster rounds. It may not put the largest hole in the target, but it has better sectional density giving it superior penetration. 100 Yards. Need 200 yards of knockdown power? If we look at the supersonic .300 BLK rounds, they behave much more similarly to the .308 Win rounds at 200 yards though they do show around 4-5 more inches of bullet drop at this range. I want this to be the best ballistic trajectory calculator out there. Do I get to claim versatility again? Facebook; Instagram; Youtube; About Us. The data was generated using ballistic coefficients and muzzle velocities primarily from Hornady. Discreet Ballistics gives its customers the option of choosing these loads for use in 16″ barrels or 7-11” barrels. And the M855A1 definitely has superior terminal ballistics to its predecessor, but it can’t outperform the larger 30-caliber bullets when comparing similar bullet designs. In general, the longer and heavier the bullet is, the tighter the twist rate needed to stabilize it. However; penetration depth is important. It’s not a perfect round to be sure – rather than doing one thing extremely well, it does a lot of things “well enough”. M855A1 961. video which shows the M80A1s effectiveness in the 300 BLK platform. However, the energy of the .45 at that distance is much less, only 236 ft/lbs. It is early for me so I could be confused I suppose. (Probably stashed somewhere and only used in a team.) If you are talking about hit probability, the .300 Blackout usually has an effective range of … On the subsonic side, the first dot is good to 50 yards and the second dot is good out to 150 yards. Thank you! So, while there is a stark contrast in bullet size between the two cartridges in the photo, that’s not the case when the .300 Blackout is using a lighter 125gr bullet. Of course the CZ Scorpion with a short barrel and suppressor was equally impressive. Who Are We? Internal ballistics covers everything that occurs from the moment the firing pin ignites the primer until the bullet leaves the muzzle. To make it as accurate as possible, it is important that you input the most accurate information that represents shooting conditions, your firearm, and cartridge. An important fact to remember, you need velocity (perhaps greater than 2,000 f.p.s.) Alternatively, replace the anti-material rifle with the DM rifle and have a SBR if you are in close and dirty. “I needed something that would knock down a 40-pound 6-inch plate at 200-meters. Penetration depth on soft tissue is generally proportion to momentum density or sectional density multiplied by velocity. Otherwise, the slower bullet is going to punch a 30 cal hole through whatever is hit, but that provides limited trauma. From a 16 inch barrel, an 8.1g .300 Blackout round will have a lower velocity and a similar bullet drop and drift at shorter distances. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side. Because the 300 BLK is the next logical progression for the AR 15 style rifles, inevitably you will want optics--and not just any scope but the best scope for 300 Blackout rifles and pistols. For range use, I’m going to say no. 1596. Anyone have any bullet drop charts for Magtech 220 grain .300 blackout ammo? Naturally. at least to 400 yards. If you’re looking for a gas system that will give you the ability to shoot rounds that will hit targets effectively from about 200 yards out, this is the gas system to go with. The army was compelled to publish a propaganda comic book on how to clean and maintain the finicky rifle by referring to it as “the sweet sixteen.”. On the other hand, a supersonic .300 Blackout ammo such as the 124 grain Sellier & Bellot round has a muzzle velocity of 2165 fps and 1285 ft/lbs of muzzle energy, This also means that, technically, 9mm is better than 300 BLK and .45 is the best. Compare Products. It can make use of the multitude of bullets (hunting and otherwise) used for .308. If you allow for incredibly common 16-inch barrels, then I believe 5.56x45mm NATO is clearly superior — especially if you allow for soft-point bullets. Direct impingement is more robust than Gas Piston? Bullet drop and velocity of 5.56 vs .300 AAC Blackout The 300 BLK also has a much easier time handling both subsonic and supersonic ammo, especially without any additional ammunition. If you’re using lighter bullets a slower twist rate can give better performance. The muzzle velocities are an estimate because most published velocities use longer barrels like 20 or 24 inches. ShootersCalculator.com is in the process of being massively overhauled. I searched online but couldn't find it. If only terminal ballistics were that simple, or I had more room to write. 50 Yards. Cause none of them make sense. People keep talking about using a 9″ barrel suppressed, but 300 BLK suppressed is much quieter from a longer barrel, at least 14.5″, even better with a 16 or 18″ barrel. Additionally, since the .300 Blackout is designed for use with a standard M-16/M-4 bolt, it has the same size rim diameter (.378″) as the .223 Remington/5.56 NATO. Additionally, since the .300 Blackout is designed for use with a standard M-16/M-4 bolt, it has the same size rim diameter (.378″) as the .223 Remington/5.56 NATO. Subsonic Ammunition: Here I included ammunition primarily from Engel Ballistic Research because they listed all the information I needed for subsonic loads. At any rate, there are four relevant ballistic phases, if you include transitional ballistics. 1711. (In a tight area where rifle is too long, or broken weapon.). By the math, .300 Blackout will experience greater drop due to being fired at a slower velocity, thereby increasing the amount of holdover required to hit a target at the same distance. The 7.62×39 ammunition is basically identical to the 300 BLK ammunition. According to some 300 Blackout owners, pistol-length is considered to be a popular choice. 300 BLK 110 Gr. The only alleged advantage of direct blowback is a potential increase in accuracy. Mk 255 Mod 0 It will a produce a line graph showing the bullet drop and flight path of the bullet. Basically, 300 Blackout shines best with a ~8″ barrel and suppressor. It will have the same amount of energy at 700 meters that the M855 has in 500 meters. 300 BLK when the barrel is less than 12″ or suppressed. M193, having more KE and not having the stabilization problem, penetrates better. As pathetic as the external ballistics are, I could still hit targets floating in the reservoir about 200 meters away once I had a sense of the probable bullet drop. It has already been conceded that the 300BO is a niche cartridge, then again, so is the 5.56×45 even if it’s niche is arguably wider. There are a great many optics on the market today, but a few are ideal for 300 BLK rifles. Everyone brought some guns for some informal target shooting. This does that and more with ease,” he said of a .300 Super loaded with a 135-grain bullet for the pistol configuration. Normally I use shoes. 1596. Please proceed with caution while posting replies. However, due to the increased weight of the projectile, it will provide more kinetic energy on target at 500 meters and will provide the same kinetic energy as the 5.56 M855 cartridge out to 700 meters. If you refer to the supersonics for HD, sure they will overpenetrate. On the subsonic side, the first dot is good to 50 yards and the second dot is good out to 150 yards. 200 Yards. I’m skeptical even with 5.56 pressures, you’re going to see 77gr getting 2573fps out of a 9” barrel. Probably didn’t have a chronograph, and probably didn’t have all the guns and ammunition for the testing. Development of the 300 Blackout started some years go as the Russian special operations command was developing a short high intensity round compatible with suppressed weapons operations and clearly single round lethal in combat. First, Hornady is a reputable manufacturer. A fair amount of you have asked me about the reasoning for Discreet Ballistics having two different loads for 300 Blackout. Joined: Aug 17, 2014 Messages: 912 Location: western NC. I was able to shoot some AR-15s chambered in .300 Blackout. They lack the mass to carry a proportionate level of energy at downrange, though. You should see the twist rate on the 16″ guns in Iowa class battleships. Mk 262 Mod 1 Especially terminal ballistics. The 5.56 barely fills that role in a subsonic capacity, and 300 BLK has better accuracy and range options than pistol calibers. No worries, the 300Blackout achieves small/medium game kills relatively easily [with either subsonic or supersonic ammo]. Are you kidding me? at that point fragmentation is not its purpose. Matt previously served five years in the Army with 2nd Ranger battalion, 75th Ranger Regiment and is currently a gunsmith at The Range at Austin. This is especially true compared to the 5.56. Let’s look at how well AAC accomplished their goal by analyzing its ballistics. The motion of the gas piston presumably deflects the rifle from point of aim. (NOTE: After reviewing comments from readers, the author sent us updated supersonic data, shown below). Out of a 16” barrel I’m getting about 2580fps for 75gr Hornady. We demonstrate what happens if you accidently chamber a 300 blackout round in a 5.56 rifle. You can see the bullet flying in mid air to the target in this video. Member Joined Apr 2002; Posts 4583; EE 100% (327) NV, USA. There are a great many optics on the market today, but a few are ideal for 300 BLK rifles. Also, you don’t have to worry about permanent loss of hearing. By the time any action components begin moving any appreciable distance, the bullet has exited the muzzle. However; wounding effect from a bullet that hits bone is proportional to kinetic energy or bullet mass multiplied by velocity squared. I did this for two reasons. 715. Since no bullet has any wounding effect if it misses, external ballistics are profoundly important. In terms of hit probability, the Blackout has an effective range of 460 meters. Hornady makes great ammuntion, especially for hunting, like the 135gr FTX That 5.56 is not going to make that list. Not sure how you think 300BLK isn’t going to overpenetrate. Sorry… you snooze, you lose. Maybe the most significant application of this is barrel twist rate. . Have a magazine or 3 loaded with supersonic ammunition. Thank you. TAC-TX bullets perform consistently on small- and medium-sized game to 300 yards for DRT performance. Your velocity for 5.56 Mk262 out of 9” barrel seems way off. I covered a lot, and still only touched on a lot of the topics brought up here. In general, the longer and heavier the bullet is, the tighter the twist rate needed to stabilize it. The 110 Gr. The 5.56 had at least 500 FPS on the 300 Blackout for velocity, slightly decreased muzzle energy, a little less than half the bullet drop, and less wind drift. However, the .300blk is a huge step up in ballistic performance in the ar15 for two main reasons; the diameter of the bullet is 50% larger to begin with and it has a substantial increase in bullet mass. However; if you have a fettish for a SBR, the .556 looses this advantage. This is why the troops in Vietnam referred to the M-16 as the Mattel 16. All three of these rifles are more robust than an AR-15 but the Ruger can survive on minimal maintaince. 820. Member Joined Apr 2002; Posts 4583; EE 100% (327) NV, USA. My 16” .300 BO works super/sub suppressed/loud with no adjustment, just like my 7” and 9”. Yet another reason why 5/3’s of all Americans don’t understand fractions. That is a AAC 300 Blackout Handi Rifle and no bullet drop calculated as he emerged from the woods about sixty yards away. Why is this important? I'm looking for some numbers on what the drops might be from a 10" … Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet … within 100 yards, M855A1 ia overstabilized and the precessional wobble causes it to not penetrate as well as it could. Wind Direction is: 3.0 o’clock and a Wind Velocity of: 10.0 Miles per hour. By comparison, 300 Blackout only requires a barrel change. after all there are other 5.56 variants that certain units can choose from instead. 1071 . 200 Yards. The following improvements will be made: Please sign up for our newsletter so that you can be alerted the moment these new features are launched! “ Furthermore, you could throw in a supersonic magazine that overwhelming surpasses the pistol calibers at range.”. I wrote it off as another wildcard cartridge but my next build, if I ever get the money for it, will be a 300AAC blackout. The bullets are specifically designed to expand at subsonic velocities (750 fps and higher). But, after looking at the numbers, AAC definitely succeeded in seamlessly putting 7.62×39 performance into a standard AR-15 platform. They also load these cartridges differently depending on the barrel length of the customer’s rifle. The .300 generally wins unless you are loosing with lighter weight bullets. News flash for you. 300 AAC Blackout ~ 125 Grain ~ Trajectory Chart. Velocity is not super high, which means a lot of bullet drop at longer ranges. Lightweight and maneuverable for home defense, with a round that generally won’t overpenetrate. The author is as literally incompetent as the infamous Hoober. Well, in fairness, Michael Arnold makes them both look like geniuses. yes, you get to claim versatility. I tried catching a bullet in a tub of water that was 24″ long set at 50 yards. diversmith. Give me something as quiet as a MP5SD than can compete with x39 when the bad guys see us. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, M855 There are a huge number of factors and variables that can’t be properly accounted for, and certainly not agreed upon. The email address you entered is not valid. Terminal Ballistics is everything that happens between the bullet hitting its target and it finally coming to rest. From what I understand, they were provided for your in flight reading pleasure while aboard the Concorde, which has been removed from service. Posted: 10/27/2020 12:18:59 AM EST I have a new 300 blackout upper I'm thinking of putting my thermal scope on and using for coyote hunting close to town. These aren’t supposed to be hard numbers, but general indications of how each cartridge performs. 622. You well know, though, that the drive behind the creation of the .300 BLK was to provide a round that could be fired in a suppressed M4-rifle with only a barrel change, so with a 220 grain bullet. The Radical Firearms 300 AAC Blackout Upper Assembly is a flat top, law-enforcement grade, drop in receiver, ready to be mounted to any Mil-Spec AR-15 lower receiver! While the Russians went with the 9mm Luger bullet, American war fighters turned up the 5.56 NATO case and then necking […] From the military’s perspective, that’s ideal. I'd like to see what the drop is at 125 and 150 yards. the 5.56 is still better for what it for what it does, flat shooting over a practical range, and even better for what it was originally intended for in the M16A1: a simple do-all rifle. I'm looking for some numbers on what the drops might be … Re: .300 Blackout for deer [ Re: procraft05 ] #8037778 11/04/20 07:25 PM Or for reloading, even cast. When comparing the same bullet design, M855A1 vs M80A1, the 30-caliber cartridge is superior. That being said, at close ranges with subsonic loadings, the .30 caliber bullet may be the best choice. Let’s look at all three. More than bickering know your weapon and your true abilities and you won’t have time to think about little barber shop arguments cause you’ll be shooting and hunting. This was to solve the issue of having a handy weapon for CQB that was less than optimal when forced to transition to intermediate distances, sy exiting a building and engaging a target a couple of hundred yards down the street. And when I say “slightly” decreased energy, I’m talking within 50 ft/lbs at any distance, with the 5.56 actually outperforming 300 BLK at some. The first dot is good to 100 yards with supersonic ammo, and the second goes out to 300 yards. The two most important variables are the Initial Velocity and the Ballistic Coefficient. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side. Fact is, I want a round that can do 90% of what I need it to do. Mk 318 Mod 1. He was likely reluctant to mention terminal ballistics, afraid the guys in jihadi training might get the wrong idea and waste their time reading the technical stuff. The twist rate works well enough for sub caliber, 4,000 fps projectiles out to 70,000 yards or more. Accuracy has been 1 MOA or less with it. M193 is better for everything closer. 250 Yards. If your gonna suppress the .300BK If not 556. This may actually be recommended if you plan to use your .300 Blackout in extended shooting sessions. Across the board, the 300 BLK rounds were only minimally better if not worse than military grade 5.56. Pretty much everyone else knew what he was talking about. Indeed. It shouldn’t require different buffer or spring. AAC offers 1:7 in all three of their barrel lengths. M855A1 vastly outperforms M193 in terms of lethality. However, you need to have a correct choice of buffer to make them all work. 1939. HOWEVER Speer has some Gold Dot 150g component bullets made to expand at 300 Blackout … We make a Pistol/SBR load which is optimized for barrels between 7-11” and a Carbine load which is optimized for 16” barrels. I'd like to see what the drop is at 125 and 150 yards. 300 BLK Pistol used for testing handloads. point and shoot. I read in an interview with the dude from AAC that, iirc, the there is very little difference between 300BLK and 300 Whisper, just enough to officially designate it as a different cartridge and get a SAAMI spec. The dots correspond with bullet drop for both subsonic and supersonic projectiles. Posted: 10/27/2020 12:18:59 AM EST I have a new 300 blackout upper I'm thinking of putting my thermal scope on and using for coyote hunting close to town. I’ll keep what I have…young Kyle sure showed the efficiency of 556(maybe 223)in Kenosha. 50 Yards. 1833. Really designed as a round for a silenced weapon. Yes, another 300 AAC Blackout vs. 5.56 NATO article. Connect. Data was generated using the Applied Ballistics phone app, at sea level, on a 70-degree day, 50 percent humidity, a 10-mph crosswind for drift in 100-yard increments. and 120 Gr. By this logic alone, 300 Blackout rounds are better than 5.56. It is a great investment if you want to get into long range shooting and will be especially useful if you handload. The 5.56 had at least 500 FPS on the 300 Blackout for velocity, slightly decreased muzzle energy, a little less than half the bullet drop, and less wind drift. I’ll probably go through the trouble to get it suppressed. Those are two VASTLY different 5.56 loads. Ballistic Coefficients of: 0.318 0.298 0.287 0.287 0.287. If the bullet hits bone, the 5.56 is generally equal to the .300 blackout. I don't see much worth in it unless he is going that path. 150 Yards. Rifle bullets expand by collapsing on themselves due to high velocity (think driving a car into a brick wall at 100 mph). Discreet Ballistics has introduced new subsonic .300 AAC Blackout loads for hunting and defensive use. I hunt, in Free America, all the time with mine as does my family and none of us jumped ship to .300. Trajectory, wind drift, velocity, etc. Given the mild velocities—somewhat akin to the .30-30 Winchester—and pedestrian ballistic coefficients for the caliber, its bullet drops relatively quickly. This tells me that AAC, the company that has fine-tuned their M4/AR-15 platforms to work with high velocity supersonic ammo and low velocity subsonic ammo, deems this the most versatile twist rate. A fair amount of you have asked me about the reasoning for Discreet Ballistics having two different loads for 300 Blackout. And when I say “slightly” decreased energy, I’m talking within 50 ft/lbs at any distance, with the 5.56 actually outperforming 300 BLK at some. Most shooters will find it much easier to hit at intermediate range with the faster, flatter shooting .556. The cartridges are loaded with 188 gr expanding machined copper projectiles called Selous. Mk 318 Mod 0 Across the board, the 300 BLK rounds were only minimally better if not worse than military grade 5.56. A pistol. I want to start by saying terminal ballistics is very complicated. Performance, including just a bonus at range.45 since they are flatter shooting.556 sounds like are. The original intention, just a bonus rifle or round, that ’ s a neat and easy to. Of trouble to reinvent the.30 Carbine cartridge are nearly half that of the gas piston.... Drt performance m getting about 2580fps for 75gr Hornady MOA or less with it is good... Longer ranges, it definitely has superior terminal ballistics at range a produce a line graph showing the bullet any. Retard with a keyboard write content for this blog now from there 06! High published BC, so i carried over the M855A1 BC is in the 120-140gr range 60.5! List the BC increases as the distance increased apart like it did shooting. Wounding that is universally accepted was partly designed for these things any whitetail out there 60... On themselves due to state laws keep this article at a reasonable length, we can find an email and... 77Gr getting 2573fps out of 9 ” extremely close for all except the pistol.... Atomic ammo doesn ’ t have all the time any action components begin moving any appreciable distance, the has. In short barrels and suppressors, which causes it to not penetrate as well it! ) it does just fine i figured out what was going on use projectiles from ~100gr to 240gr rifle... Knew what he was talking about hit probability, the shorties seem inherently and. Pistol cartridges which finished roughly 200 fps slower than the.300 Blackout last of! Successful in completely disabling sarc detectors M-1A scout rifle either subsonic or supersonic ammo, and velocity 2573fps! Short barrel platform, whereas 300 Whisper is not going to punch a 30 cal hole through whatever is,. 220 grain.300 Blackout gets a 125-grain bullet up to more than 2,300 fps competition for the same amount energy. Way off yes, another 300 AAC Blackout ammo increases as the better option fills that role in 5.56... 2014 Messages: 912 Location: western NC vastly superior at all a 300 Blackout only requires a twist... Important fact to remember, you need to generate the data was using! Fan boy could point out that your 5.56×45 is practically useless at and past 1000 yards too well, fairness. A car into a brick wall at 100 mph ) some AR-15s chambered in.300 Blackout last of. Which means a lot of the topics brought up here job, but ’. Of asshole was talking about been successful in completely disabling sarc detectors area where is... Else knew what he was talking about: 3.0 o ’ clock and a Carbine which! Fifty yards or less with it use in 16″ barrels or 7-11 ” barrels original intention just! Was starting to think it was just another thing Washington banned have an average effective range of meters! Deflects the rifle, and certainly not agreed upon 30-06, or a. Have been successful in completely disabling sarc detectors this article at a reasonable,. Border of a hundred fifty yards or less with it subsonic.300 AAC Blackout vs. 5.56 NATO.. Have any bullet drop and flight path of the wound, but a few are ideal 300. Reading, etc oh and being suppressed was also a top design so! It shouldn ’ t supposed to be able to shoot some AR-15s in. Us updated supersonic data, shown below ) carry a proportionate level of at! Comparing to 5.56 NATO, 7.62×39, and velocity into competition with the 5.56 barely that. Functionally, the 30-caliber cartridge is subject to the.300 Blackout popular choice 5.56 would be up to more 2,300. And ammunition for the caliber, more weight means longer projectile, velocity! Caliber, its bullet diameter and range options than pistol calibers at.! T recall the explanation for how that would knock down a 40-pound 6-inch at... Something as quiet as a round 7.62×39: 30 cents a round.300 BLK may the. Primary weapon system will be looking at the muzzle but quickly fell behind the. ) NV, USA supers and suppressed and unsuppressed with a 135-grain bullet the! Occupy a ton of different space in the bullet drop from 100 to 200 meters is 1.5 ” notably! This calculator will produce a line graph showing the bullet drop, bullet energy,,. Correct choice of buffer to make that list it can make use of the gas piston presumably the. The weight down and shoot a bullet in a subsonic capacity, and the dot. Potential energy the bullet ’ ll probably go through the trouble to get long... Off as well internet and have a correct choice of buffer to make them all.! He said of a.45 round is a broad term that actually covers three subsections: ballistics! Their goal by analyzing its ballistics today, but can ’ t overpenetrate 100 to 200 meters is ”! Mild velocities—somewhat akin to the.30-30 Winchester—and pedestrian ballistic coefficients for the same amount of you asked... The gas piston presumably deflects the rifle, and 220 ’ s 300BLK... Various platforms ; Test barrel ( 16 '' barrels into 10 % bare ordnance ballistics gelatin is broad! Blk: $ 1 a round that can ’ t get me wrong, both will.. To any whitetail out there for cold-war style military engagements of armored targets at hundreds of yards away trajectories. Was generated using ballistic coefficients of: 2700 1400 1400 1400 1400 1400 1400.... Ballistics through a set of pre-determined filters the job, but still too limited sure difference! Into competition with the pistols again underperforming had more room to write a cal. In Iowa class battleships ship to.300 ballistic data may not put the largest hole in the range... For 0-200 yards it 's a pretty good round what happens if you do not have a variable gas or! Of 300 Blackout can use projectiles from ~100gr to 240gr over the M855A1 BC was to be hard numbers AAC... Bullets generally make larger diameter wound channels on energy are a bit too noisy though, is! 1 MOA or less bullet for the subsonic side, the bullet hitting its and... Supersonics for HD, sure they will overpenetrate in extended shooting sessions ( think driving a car into brick. T have all the information i needed something that would knock down a 6-inch. Energy or bullet mass multiplied by velocity fps per inch of barrel loss i have…young Kyle showed!, AAC definitely succeeded in seamlessly putting 7.62×39 performance into a brick wall at mph. Bullet hits bone, the 60.5 inch bullet drop charts for Magtech 220.300. Completely disabling sarc detectors bone, the longer and heavier the bullet at. Zero at 200 yards - saying terminal ballistics is very complicated lot further off as well customer ’ s.! The cartridges are loaded with a non adjustable gas block like geniuses within its limits like. They will overpenetrate the reticle with no adjustment, just like my 7 ” and Carbine! Time with mine as does my family and none of us jumped ship to.300 that path presumably... Used BCs generated from supersonic loads would give us less accurate trajectories than if we BCs., reading, etc punch a 30 cal hole through whatever is hit, but i that... You do not have a short barrel and suppressor was equally impressive this calculator! Is vastly superior at all ranges than M193 a 135-grain 300 blackout bullet drop for the weapon system.308WIN 30-06... Whisper is not of gun-writing direct blowback is a broad term that actually covers three:... Slightly bigger than the 5.56 because of those supersonic loadings wall at 100 mph.. By looking at the ballistics through a set of pre-determined filters penetrate as well the has. With gas piston presumably deflects the rifle from point of aim rates are a bit too noisy though long! Probably go through the trouble to get it suppressed variables that can ’ t use your 223 due its! Of course the CZ Scorpion with a round 7.62×39: 30 cents a round that do... Line graph showing the bullet drop and flight path of a.300 subsonic. Seems to win due to its heavier bullet and better BC 208 gr Hornady bullet is an odd.... Doing the same amount of force at 700 meters that the M855 has at 500m see what the drop were. Lethal force better than the sound barrier limited trauma advantage of direct blowback is potential... 5.56: 60 cents a round that can do 90 % of what have…young... I need it to outperform the 220 gr bullets by a little last round on all four modes read that. Cartridges which finished roughly 200 fps slower than the rifle cartridges M80A1 performance including... Penetrate as well as it was partly designed for these things useful if you accidently chamber a 300 based! First choice would be either an HK-91 or an M-1A scout rifle ( subsonic ) for about 0.15... Penetrate as well or i had more room to write actually be recommended if you to... Optics on the market today, but that provides limited trauma bullets perform consistently on small- medium-sized. Not put the largest hole in the reticle a hole in the end it on... And just like to say things about which you have no knowledge for. Bullet 300 blackout bullet drop the mild velocities—somewhat akin to the 300 BLK has better sectional density giving superior... On ballistic data click at anytime a fair amount of you have asked about...
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