Former 9 And 10 News Anchors, Baptist Press Sunday School Curriculum, Articles P

Lining up and Picking Sides - A WW3 Story. After a number or trips to the range and a lot of brass and bullets, I found a load that would work- note the bughole in the middle left side of the target below. This significantly bumps up the muzzle energy without exceeding the speed of sound. Summary: The 300 Blackout has significantly more muzzle energy than the 5.56, and this is particularly true when youre shooting these cartridges through shorter-than-average barrels. If you spent a lot of time with your 300 BLK and couldnt get the precision you wanted out of it, maybe it wasnt you? Unfortunately, small variations in the shape of the cartridge can cause ammo to snag, jam, or feed slowly. More bullet energy on target = more potential killing power. That might seem like a lot, but remember this is specialized hunting ammo. What do I need to do to get it to cycle for him? The alternative to not using an actual .300 BLK magazine is to employ a 5.56 NATO/.223 magazine and then exercise more than stringent ammunition management to ensure a failure does not occur. Click here to find out. by rjacobs Sun Dec 29, 2013 12:09 pm, Post Failure to Launch? (At my location the speed of sound was about 1,143 fps on the test date.) PRESCRIPTION 5Bullet: 130-grain Hornady SPPowder/Charge: Hodgdon Lil'Gun, 19.0 grainsPrimer: Federal Small RifleCartridge Overall Length: 2.02 inchesMuzzle Velocity: 2,259 fps. The vast majority of states, though, including my native Virginia, dont allow you to shoot deer with 5.56 ammo, which presents a problem: How can you use your beloved AR-15 to go deer hunting? This is due to the 300 Blackouts bullet and case design, which allow the gunpowder to be more quickly and efficiently burned in a shorter barrel. The team at Discreet Ballistics call this bullet their Machined Selous Expander, and they achieved this menacing effect through a few neat feats of engineering: The result is a bullet that reliably expands to over three times the width of the original bullet, creating a wound nearly an inch wide. When combined with a suppressor, 300 Blackout ammo can give you one of the most powerful, nearly silent rifles you can have. External ballistics is the study of how a bullet behaves as it flies to the target. You will increase the muzzle energy of the bullet, but each additional inch of barrel beyond 9 inches results in less and less of an increase in muzzle energy. A Magpul .300 BLK PMAG (left) and a 5.56 PMAG (right). A cartridge load for 16-inch barrels with slightly less gunpowder to keep the velocity under the speed of sound when fired out of longer-barreled rifles. The Blackout with a 220- or 225-grain bullet can be driven at least 1,000 fps from a 16" barrel to give about 488 foot pounds of energy at the muzzle. Back in 2012, I reviewed the 300 BLK in a 16 AAC upper with Remington super sonic and subsonic loads, a link to the post can be found here. While the cross-compatibility of our .300 BLK and 5.56 NATO rifles is highly desirable, it could be a potential risk if we do not check ourselves and make sure we are putting the right rounds into the right firearm. Even with vertical stringing apparenta result of the supersonic/subsonic velocity mixthe 190-grain VLD load was more accurate than any of the subsonic factory loads I tested. If you like Rifleshooter.com, please follow us on Facebook. Written By Michael Crites Licensed Concealed Carry Holder Reviewed by Terminal-performance testing yielded some interesting results, which are detailed in the accompanying sidebars, and so did the handloading exercise. PRESCRIPTION 3Bullet: 125-grain Nosler AccuBondPowder/Charge: Accurate 5744, 20.8 grains (compressed)Primer: Federal Small RifleCartridge Overall Length: 2.13 inchesMuzzle Velocity: 2,203 fps. This issue isnt unique to 300 Blackout bullets, though. Just like with the 190-grain VLD handload and most factory subsonic loads, bullet expansion was nonexistent and penetration was excessive. To learn more about the 7,62x40WT click here. Its more powerful than 5.56 ammo when shooting subsonic (quiet) bullets. Thats enough of a drop to seriously affect your accuracy when shooting at a target 100 yards away. Its so bad in this regard that it often doesnt penetrate as well as 9mm ammo. While the bullet is obviously much larger, the parent case is 5.56mm so it will fit into the chamber. Cycling problems with my 300 Blackout - AR15.COM Let's consider the Blackout with 150-grain bullets at 2,100 fps. Live The Armory Life. Unfortunately, many companies are often out of stock of 300 Blackout ammo in this price range, but Sellier and Bellot, Magtech, and Armscor tend to be easier to find. Its legal and effective for killing deer (in many states its illegal to hunt deer with 5.56 ammo). *Must have a registered ARFCOM account to win. if you use bullets that are designed to expand while moving at subsonic speeds. Springfield Saint Victor 300 BO Issue? | The Armory Life Forum A new large format pistol from the oldest gun manufacturer in the world. What barrel and gas tube length? All of these companies have a reputation for making good but inexpensive ammo thats ideal for practice, plinking, and recreational destruction. We dont need to get into the nitty gritty details right now, but the long story short is that the more you increase the length of a barrel, the more you increase the muzzle energy of the bullets you shoot through it. . For now, lets focus on subsonic ammo. I tried 3 different mags, Pmag, Victory and GI, and it had the same problem. Posted: 2/5/2017 7:33:39 PM EST [#13] Quote History It can be used in AR-15s with minimal modification. Trouble with RCBS 300 Blackout Dies Not Seating Bullets Consistently Now, obviously 300 Blackout isnt ideal for long-range shooting or killing animals like elk, moose, and nilgai, but you probably dont need me to tell you that youre better off using a more powerful cartridge than 300 Blackout for killing these animals anyway. Drag also affects the bullets trajectory, which can have a significant impact on accuracy even at close ranges. The best hunting ammo will generally include all of the features above, but the particular balance of accuracy, speed, and lethality you want depends on what youre trying to kill as well as your personal preference. Although the cases are similar, the 300 Blackout case is shorter, which reduces the amount of gunpowder that can fit in the case by about 25% versus the 5.56. You can reliably hit man-sized targets at 300 yards with supersonic 300 Blackout ammo or 150 yards with subsonic 300 Blackout ammo. Also guessing that you've already checked that your gas block is properly lined up with the port; opening up the port would be my last resort unless it's one of the barrels known for having small ports to begin with (have to search around the net, don't remember which they were but there was some discussion of them a while back). It should work reliably when using low-powered (subsonic) or high-powered (supersonic) ammo with or without a suppressor. Testing was conducted at an elevation of 2,200 feet above sea level. 10 mph wind coming at a right angle from the side of the shooter, 0.3 ballistics coefficient (about average for 300 Blackout). 547 Share 33K views 6 years ago You don't need special 300 Blackout springs or buffers or bolt carrier groups to get your 300 Blackout to cycle. What's the problem with the caliber based on this thread? 300 Blackout Ammo Is More Powerful, Efficient, and Lethal When Fired out of Short-Barreled Rifles Than 5.56 Ammo 300 Blackout Ammo Is More Powerful Than 5.56 Ammo When Shooting Subsonic (Quiet) Bullets 300 Blackout Ammo Is Legal and Effective for Killing Deer 300 Blackout Ammo Can Penetrate through More Material (Walls, Trees, People . Andrew Betts served with the Arizona National Guard for over 12 years, including a tour to Afghanistan. (Not important in my opinion, but worth knowing if youre concerned about the government keeping tabs on your arsenal). I used load data from Hodgdon and Accurate, but my first attempt yielded supersonic velocities. The 300 Blackout was designed to be used in AR-15s, with one simple change: As long as you change the barrel of your AR-15, which can be done by popping out two pins and putting on a new upper receiver, you can shoot 300 Blackout ammo out of your AR-15. On the other hand, if you are looking for a high-performance, supersonic cartridge that will run in an AR, there are better options in a variety of calibers. The bolt wont close on a .300 Blackout round if it is closed slowly, but if the round has low neck tension, the momentum of the bolt carrier can force the bullet back into the case, allowing the bolt to close and lock. This load should also work well in a self-defense role where over-penetration is a concern. For what it's worth, sizing brass without the expander ball also goes a long way toward keeping case necks straight, which generally results in solid accuracy. Shooters who join the .300 BLK bandwagon may attribute issues they experience in failure-to-feed (FTF) or failure-to-eject (FTE) to their rifle when in fact, they should take a more discerning look at the magazines they are using. You only need to buy one AR-15 lower, but you can fire many different cartridges through it if you buy multiple uppers. by pschier Sun Dec 29, 2013 10:08 am, Post I first viewed the 300 Blackout with a jaundiced eye, but it's proving to be one heck of an effective, close-range hog sweeper. Born in the early 2010s when a few unnamed military special operators needed a specialized close-combat round, the .300 AAC Blackout is no passing fad -- the BLK has become one of the most popular AR cartridges around. I'm a huge fan of the 300 Blackout round. In my opinion, the bread and butter of the 300 BLK is short barrel rifle applications, especially with a suppressor (what isnt cool about a 10 300 BLK with a can and IR laser?) Aluminum is much lighter than copper or lead, which is why this bullet only weighs 78 grains versus 115 grains for most supersonic 300 Blackout bullets. ***Fixed! In order to make your rifle Hollywood quiet, you have to do two things: Ill cover how suppressors work in another article. Why there are More Supply Chain Problem in our Future Whats your take on 300 Blackout ammo? The 300 BLK rifle magazine is based on the original design offered by the company and provides a steel and polymer design for both a translucent smoke finish and solid black options The reliable, and trouble-free feeding system is tailored perfectly for the dimensions of the 300 BLK cartridge. Keep your gear handy when it's not on your belt. Other factory ammo and reloads with CCI 400's were 100%. They came up with a solution for that problem, too. In the case of home defense, the main concern is the bullet either missing or passing through your wouldbe assailant, and hitting a loved one in another room, flying through the wall and hitting someone next door, blowing away the neighbors dog, or all of the above. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. The barrel is 16" with a mid length. Not a lot, but those high B.C. With some loadsparticularly those using the 125-grain Nosler AccuBond and 150-grain Nosler Ballistic Tipthe bullet would migrate forward in the case when the cartridge entered the chamber. lighter spring? The point is that if you are going to choose a rifle sized weapon, you ought to use ammunition that can do rifle sized work. It may only be me, butwhen I do encounter a 300 BLK that shoots, its often not a true 300 BLK. ALWAYS CONSULT COMPREHENSIVE REFERENCE MANUALS AND BULLETINS OF PROPER TRAINING REQUIREMENTS, PROCEDURES, TECHNIQUES AND SAFETY PRECAUTIONS BEFORE ATTEMPTING ANY SIMILAR ACTIVITIES. Most barrel makers and benchrest shooters will tell you the best accuracy for a given bullet is obtained with a twist rate that just stabilizes the bullet. Apparently, the story goes that an unnamed special missions unit in the U.S. Army asked for a round that could fit inside a .30-caliber rifle, and would be usable with any AR weapon. A cartridge with a higher-pressure load contains more gunpowder, and a cartridge with a lower-pressure load contains less gunpowder. Keep in mind, that its wildcat predecessors like the .300-221 were known to be fairly accurate with the right twist rate. I know Noveske makes good products, but maybe you got an out-of-spec barrel. (Heres a good video that explains how this works). PRESCRIPTION 8Bullet: Berger 210-grain VLD TargetPowder/Charge: Accurate 1680, 11.8 grains Primer: Federal Small Rifle Cartridge Overall Length: 2.22 inchesMuzzle Velocity: 1,137 fps. Instead of being made of solid lead and copper, like most bullets, frangible bullets are made of a mixture of compressed metal powders. Confusing 6ARC AR15 Gas Issue After Switching to Rifle +1 Barrel, Piston conversion and appropriate buffer and spring. Discussion about rifles in 300 AAC BLACKOUT (7.62x35mm), hosted by the creator of the cartridge. Hornady 300 Blackout 125-grain Full Metal Jacket Frontier, Hornady 300 Blackout 125-grain Hollow Point American Gunner, Hornady 300 Blackout 208-grain A-MAX Hornady BLACK, Hornady Full Metal Jacket Frontier 300 Blackout ammo, Hollow Point American Gunner 300 Blackout ammo, Discreet Ballistics 188-grain Subsonic Selous Machined Expander 300 Blackout, Hornady 110-grain GMX Full Boar 300 Blackout, Discreet Ballistics 188-grain Subsonic Selous Machined Expander. A cartridge load for 7 to 11-inch barrels with slightly more gunpowder to increase the velocity out of short-barreled rifles. All in all, its probably a better cartridge for killing deer than 5.56, so not only is it legal its also preferable. The AccuBond's jacket is thicker than most conventional bullets, and the core is not pure, soft lead, making it harder for a taper crimp to take hold. Fired from the MPW carbine, the six supersonic handloads produced an average 10-shot group size of 3.30 inches at 100 yards. Someone once told me that .300 Blackout is the most convenient way to shoot 7.62x39mm in an AR type rifle. And other states like Montana, North Carolina, and Vermont dont care what the hell you shoot animals with. 300 blackout optimized with pistol length gas systems. Although theyre quieter, subs are also have significantly worse external and terminal ballistics and often dont have enough energy to make the gun operate properly. He bought one of these https://www.americantactical.us/6334/detail.html and it won't cycle the 208grn hornady amax subsonics without suppressor. The same thing happens on a smaller scale inside the barrel of a gun. 300BLK pistol. Failure to Eject. - TNGunOwners.com Their higher B.C. While neither are well suited for long range shooting, they are more than adequate at close to medium range. Just for funsies and completeness, heres a table with all of the data from the above charts: 300 Blackout vs. 5.56 Bullet Drop (In Inches). Trouble with RCBS 300 Blackout Dies Not Seating Bullets Consistently March 31, 2021 If you're having trouble with RCBS or Hornady 300 blackout dies not seating bullets consistently, this should help. And in case you prefer to scrutinize the data yourself, here it is in table format: 300 Blackout Ballistics Based on Barrel Length. The Glock 17L has a 6-inch barrel25% longer than the Glock 17but only produces muzzle velocities of about 1,280 fps, or 10% greater than its shorter-barreled little brother. I would note that of those three things the Springfield Saint 300blk has only the first. Technically, the only proper names for the cartridge are the 300 AAC Blackout or 300 BLK, but most people refer to it simply as the 300 Blackout, so I did the same in this article for the sake of simplicity. Youll often hear people say that the ideal barrel for shooting 300 Blackout is 8 or 9 inches. And, because 300 Blackout bullets are pointed instead of flat-nosed or round-nosed like 30-30 bullets, they are more efficient, more aerodynamic. Besides the easy conversion between 5.56 and .300 BLK, the .300 BLK does a lot the 5.56 can't. First off, it's a very versatile load with projectiles weights ranging from 110 grains to 220 grains. . An adjustment in overall length might correct this problem. While different brands, weights, and loads of ammo will have slightly more or less muzzle energy than this chart shows, it gives you a good ballpark estimate for most off-the-shelf 5.56 and 300 Blackout ammo. The 7.62 Soviet's cartridge taper prevented reliable feeding in AR magazines and created wear on the bolt. So, the final word on the 300 Blackout is that if you want to use a suppressor and subsonic ammo to fire the most powerful quiet bullet possible . This will give you good enough performance for short-range target practice (controlled mayhem?) The NRA, its agents, officers and employees accept no responsibility for the results obtained by persons using such data and disclaim all liability for any consequential injuries or damages. I am using Lil'gun powder. You must log in or register to reply here. This New Hampshire-based company is unique in that they focus solely on making subsonic cartridges (hence the name), so its no surprise that 300 Blackout is right up their alley.