problems with 300 blackout

Heres a fun example of this principle in action: Thats a .50 BMG punching through three cinder blocks, and the reason its able to pull this off is because its an extremely heavy bullet moving very fast. The bullet also weighs in at a hefty 188-grains, which gives it enough mass to keep pushing deep into the target after expanding. Someone once told me that .300 Blackout is the most convenient way to shoot 7.62x39mm in an AR type rifle. Do you want to know why the right to bear arms exists, why its worth protecting, and what you can do right now to save it? All else being equal, a bullet with a lower BC will slow down faster, whereas a bullet with a higher BC will maintain its velocity for longer. ***What AR-10 Buffer/Spring are you running with the Magpul UBR? This is the perfect balance of barrel length for high muzzle energies, they say, without making the gun front-heavy and awkward to shoot. The unknown issue many .300 BLK shooters are combating without even knowing it is their 5.56 NATO/.223 magazines will not reliable feed all grain weights and bullet profiles of the .300 BLK. Whether youre looking for 300 Blackout ammo for plinking and practice, classes and competition, hunting, or home defense, youll find a winner on this list. Magtech Full Metal Jacket Subsonic 200-grain 300 Blackout, Magtech Full Metal Jacket Supersonic 123-grain 300 Blackout. Knocks the burs left right off. This graph shows the muzzle energy for a 110-grain 300 Blackout and a 55-grain 5.56 bullet fired from seven of the most commonly used rifle barrel lengths. PRESCRIPTION 1Bullet: 110-grain Sierra HPPowder/Charge: Hodgdon Lil'Gun, 20.0 grainsPrimer: Federal Small RifleCartridge Overall Length: 1.89 inchesMuzzle Velocity: 2,402 fps. I am using Lil'gun powder. Potentially both. The bullet drops about 4 inches at 100 yards, 2.5 feet at 200 yards, 8 feet at 300 yards, 18 feet at 400 yards, and 30 feet at 500 yards. After speaking with Nosler, I think we found the cause. Known for its ability to deliver heavy subsonic bullets for standard AR magazines while cycling the action in suppressed applications, [], Ive done a few Special Purpose Rifle (SPR) builds over the years and was always happy with the results. The views It can penetrate through more material (walls, trees, people . The 300 Blackout, on the other hand, is designed to reach maximum muzzle energy when fired through a 9-inch barrel. The 7.62 Soviet's cartridge taper prevented reliable feeding in AR magazines and created wear on the bolt. Its more expensive ($1.4 most places), but its some of the most accurate subsonic 300 Blackout ammo you can find. articles and videos are considered to be suggestions and not recommendations from Springfield Armory. The same thing happens on a smaller scale inside the barrel of a gun. The 300 Blackout cartridge was designed from the ground up to be fired through AR-15s, and as a result it doesn't suffer from any of the reliability problems of other cartridges. The advantage of 300 Blackout is if the shooter wants an AR-pattern rifle or pistol that is easily suppressed, they can use a common magazine and typically only need to swap an upper receiver. Frank Green at Bartlein barrels uses the example of High Power rifle competitors using stock Colt 1:7 rifles back in the day experiencing 4 MOA results with 55 grain loads, and sub MOA with the same rifle and shooter using the 69 SMK. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. None of the primers in Lehigh Defense brass were crimped, but all of them in the Federal brass were crimped. For example, I have an AR-15 upper that fires 5.4539, but I have to be careful which magazines I use as some of them simply wont feed this Russian ammo properly. Two reasons, case capacity and barrel twist. 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. Magazines, often incorrectly referred to as clips, are spring-loaded metal or plastic containers that hold ammunition. "Not cycle" can mean several things - does it extract and eject the fired round but not feed the next round, something else? PCCs may seem like a good idea at first glance, but when you get down to brass tacks they offer all of the disadvantages of a rifle (too large to conceal or carry conveniently and not easily operated with one hand) with the primary disadvantage of a pistol (weak ammunition). PRESCRIPTION 2Bullet: 110-grain Speer Deep Curl RNPowder/Charge: Hodgdon Lil'Gun, 19.3 grainsPrimer: Federal Small RifleCartridge Overall Length: 1.77 inchesMuzzle Velocity: 2,401 fps. Its legal and effective for killing deer (in many states its illegal to hunt deer with 5.56 ammo). password, Sub Category: Enter your email address to subscribe and receive notifications of new posts by email. Like the same mid-length gas that's on a 5.56/223 rifle? For example, a 220-grain 300 Blackout bullet moving at 1,050 fps has 539 ft.lbffar more than both the 5.56 and the 9mm. Energy is measured in foot-pounds of force (ftlbf), or Joules (J) if you prefer the metric system. Although more difficult, you can even adjust for the 2 feet of drop at 300 yards. Early on, the claimed goal was to have ammunition prices on par with the inexpensive .223 Rem. Odd, yes, but it has a lot of benefits for hunters and shooters alike. All technical data in this publication, especially for handloading, reflect the limited experience of individuals using specific tools, products, equipment and components under specific conditions and circumstances not necessarily reported in the article and over which the National Rifle Association (NRA) has no control. This added weight also gives the bullet enough momentum to continue spinning several times after entering the target, creating an effect thats akin to a flying blender blade slicing through your prey. ratings mean they actually shoot flatter and retain more foot pounds of energy than the 30-30 after about 100 yards! My 300 BO will not cycle using subsonic ammo with a can. Most people train with cheaper ammo and then occasionally break out their fancy home-defense ammo to familiarize themselves with how it feels when shooting. It's usually the shorties - under 10" - that need the can to cycle with subs. I have used multiple mags with no success. The 1911 is an iconic design, and the 2011 takes it one step further. Reloading 101: Measuring group size and converting to MOA, Remington 700 SPS 243 Win to 6 Creedmoor conversion: Budget precision rifle, Designed to bridge the gap between 308 Winchester/7.62 NATO and 50 BMG, the 338 Lapua Magnum (8.670) has developed an impressivefollowing with long range shooters. With an impact velocity of 1,920 fps, this bullet did not expand at all and begin tumbling when the polymer tip came off after about 12 inches of penetration. If a 50-grain bullet from the Fireball can do in a hog of this size, the 300 Blackout should have no problems. This is where a dedicated .300 BLK magazine can be tremendously useful. With. This unique cartridge, not surprisingly, has a varied grain weight range. I love researching and writing these articles, and the more they get shared around, the more Im encouraged to write. 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. Handguns, Sale Price: Theyre going to be hiding behind rocks, walls, trees, and other obstacles, and being able to punch through this cover and plug them before they plug you is a major advantage. YesI read thatbut what is the buffer weight and spring length and number of coils? Should I take out 2 weights or clip his spring a couple coils? When seconds count and the police are minutes away. At 400 yards, though, the bullet has dropped almost 5 feet. And all you have to do to shoot 300 Blackout is buy a 300 Blackout upper, slap it on your existing AR-15, load up your regular AR-15 magazines, and start shooting. One new winner* is announced every week! Written By Michael Crites Licensed Concealed Carry Holder Reviewed by He wants to be able to run subs while he waits on his can. The subsonic 300 Blackout loads are often compared to 45 ACP, 10 mm or 9mm subsonic rounds. In other words, the drop of 5.56 bullets is about half as much at any given range as supersonic 300 Blackout bullets. Much like the 300 BLK, the 7.62x40WT only requires a new barrel and ammunition to switch calibers. So, who is right? Thanks for the help. If you're going to taper-crimp, trimming cases to the same length will take care of half the problem. Although .30 Rem. (Have any suggestions for ammo that should be on this list? Thats enough of a drop to seriously affect your accuracy when shooting at a target 100 yards away. Not only that, but it's also more powerful than 5.56 when fired through short-barreled rifles or when using subsonic ammo. I subjected these .300 Blackout handloads to a testing protocol similar to the one I used to evaluate the factory ammo. This high velocity gives the bullet a muzzle energy of 1,358 ft/lbs, which is also about three times higher than most subsonic 220-grain 300 Blackout ammo and almost the same as supersonic 115-grain 300 Blackout ammo. To create this kind of chart, you need a few pieces of information: The topic of ballistics coefficients (BC) will get an article of its own, but the short story is that BC is a measure of how effectively a bullet is able to slip through the air and maintain its velocity after being fired. I have a Seekins Lower & Upper, NOVESKE 14.5" Barrel, KAC URX 3.1 13.5" rail, Spikes Tactical 5.56 BCG, Spikes Tactical Milspec Buffer Tube Kit, and PRI Gasbuster Charging Handle. At the time, the U.S. military was embroiled in multiple large scale urban battles across Iraq, and many special forces units had started using short-barreled rifles to make it easier to maneuver when fighting house-to-house. With the right shot, a 300 Blackout will kill just about any wild animal in North America. +1 on trying a standard carbine buffer. Keep your gear handy when it's not on your belt. While the bullet is obviously much larger, the parent case is 5.56mm so it will fit into the chamber. In supersonic loads, 150-grain bullets are on the heavy side for the .300 Blackout. 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. And, because 300 Blackout bullets are pointed instead of flat-nosed or round-nosed like 30-30 bullets, they are more efficient, more aerodynamic. 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. Yet when you compare the numbers in absolute terms, the differences in bullet drop between 5.56 and 300 Blackout arent as great as many people think. Specifically, you want to know how much energy a bullet has when it hits the target, which is referred to as a bullets energy on target. It is absolutely true that supersonic .300 Blackout is every bit as effective as other intermediate rifle cartridges such as 5.56mm or 7.62x39mm. . We cannot show the process itself of resolving the problem due to YouTube TOS. . An adjustment in overall length might correct this problem. The Glock 17 has a 4.5-inch barrel and generally produces muzzle velocities of around 1,150 fps with 124-grain bullets. All Rights Reserved, Botswana Safari with No Second Place Winner Bill Jordan (Part 2). This bullet was purpose-built by Nosler for the .300 Blackout and the .30 Rem. Typically, these bullets are the product of thousands of hours of computer-aided design and testing and are much more expensive to make than standard practice ammo, but theyre well worth the cost. This test is a good example of the penetrating power of 300 Blackout: In the video, a 300 Blackout bullet penetrates 24 inches of pinewood whereas a 5.56 bullet only penetrates 16 inches of pinewood. Many states dont allow hunting deer or any other large game with 5.56 or other similar bullets like .223 Remington, although the details are confusing. It fires a .30-caliber, 110 to 220-grain bullet and reliably works with and without a suppressor. Visit his YouTube Channel for more great shooting information. Q: Can you provide your insight regarding the 300 blackout cartridge and its use on boar & various species of deer? When combined with a suppressor, 300 Blackout ammo can give you one of the most powerful, nearly silent rifles you can have. . Spikes likes to use "HeavY" buffers in their kits for .223, 300 BlkOut Issues: Failure to Feed, Double Feeds, Stuck Ammo, http://www.youtube.com/watch?v=iVzCQ0LL2A8, Re: 300 BlkOut Issues: Failure to Feed, Double Feeds, Stuck. Just for kicks, I also assembled subsonic loads with two heavyweight bullets. If you are looking for a cartridge that can run with subsonic and supersonic ammunition in your AR, it is a great choice. For example, lets say increasing a 300 Blackout barrel from 4 inches to 8 inches results in a 50% increase in muzzle energy. As weve already covered, a well-designed subsonic bullet can be quite lethal, but its never going to cause as much damage as that same bullet moving at supersonic speed. If youre going to use 300 Blackout ammo for hunting, though, its essential that you use hollow points, which are significantly more effective at killing big game than full metal jacketed bullets. If you want a cartridge thats nearly Hollywood quiet, but still powerful enough to excel at home defense, hunting, target practice, and combat, you want to try the 300 Blackout. Its more powerful than 5.56 ammo when shooting subsonic (quiet) bullets. It penetrated as deep as any of the lead-core bullets loaded in the factory loads I tested. It may not be a high probability, but the point isnt that you must be able to penetrate armor. It may not display this or other websites correctly. Confusing 6ARC AR15 Gas Issue After Switching to Rifle +1 Barrel, Piston conversion and appropriate buffer and spring. (Heres a good video that explains how this works). Their higher B.C. Apparently not. Some people question whether or not the 300 Blackout is effective for killing deer, and the simple answer is, yesabsolutely. Like airplanes, once in flight bullets have to overcome two main obstacles to reach their target: Air resistance is also referred to as drag. Shooters are making multiple kills of the crop raiders before the herd can disburse. If it's ejecting okay where does the spent brass land? The casethe brass part of the cartridge that holds the gunpowderof the 300 Blackout is the exact same width as the 5.5645 at the bottom, but is considerably wider toward the top of the case where the bullet is held. Copyright 1996-2023 AR15.COM LLC. JavaScript is disabled. The .300 Blackout started out as a military round. I will try some other loads and see if I can keep sub and still cycle. Thats not a bad tradeoff when you consider the terminal ballistics of 300 Blackout vs 5.56 (which youll learn next). I chose two Berger VLD bullets, the first of which was the company's 190-grain Hunting version. A 300 Blackout bullet fired from a 14.5-inch barrel has almost the same muzzle energy as a 5.56 bullet fired from a 20-inch barrel. . I could see no real advantage offered by the .300 Blackout in supersonic form over the .223 Rem. 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. The problem is that there are quite a few folks out there that just cannot seem to understand that a rifle bullet that is no longer moving at 2,000 fps, give or take, is not really much of a rifle bullet any more. The muzzle is threaded 5/8"-24 to accept muzzle brakes, flash hiders, or a suppressor. and itll shoot without any other modifications. ALWAYS CONSULT COMPREHENSIVE REFERENCE MANUALS AND BULLETINS OF PROPER TRAINING REQUIREMENTS, PROCEDURES, TECHNIQUES AND SAFETY PRECAUTIONS BEFORE ATTEMPTING ANY SIMILAR ACTIVITIES.

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