If your first priority is subsonic performance from a .30-caliber AR, go with the .300 AAC Blackout and heavy bullets. 300 BLK, Cartridge Selection, Precision Rifles, Reloading At my shop I won't sell 300 BLK barrels with carbine length gas systems. *Must have a registered ARFCOM account to win. All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized, Removing stripped and sheared screws from a rifle, Project Guns- Gunsmithing articles and posts. All else being equal, bigger, heavier bullets are usually more effective at penetrating targets than lighter, smaller ones. For example, a 55-grain 5.56 bullet bullet traveling just under the speed of sound1,050 fpsonly has 135 ft.lbf. Theres only one problem with that cartridge for home defense, though: its subsonic. I subjected these .300 Blackout handloads to a testing protocol similar to the one I used to evaluate the factory ammo. 0. Because 300 sounds more powerful than .30, which is why many companies refer to .30-caliber bullets as 300- something or other, like the 300 Winchester Magnum and 300 Norma Magnum hunting cartridgesall of which fire .30-caliber bullets. Thought a Beretta shotgun was out of your budget? 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. Its more expensive ($1.4 most places), but its some of the most accurate subsonic 300 Blackout ammo you can find. Sorry, an error occurred and we could not sign you up. 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. You can increase the weight of a bullet, but this is limited by the size and design of the barrel youre using. 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 may not display this or other websites correctly. Its so bad in this regard that it often doesnt penetrate as well as 9mm ammo. In case you arent familiar with the term, plinking refers to more or less randomly shooting at stuff for fun, in a safe manner. We have to pick a number, though, so lets run with the Hornady Sub-X Subsonic 190-grain bullets, which have a ballistics coefficient of 0.437which is probably close to the average for subsonic 300 Blackout bullets. This bullet was purpose-built by Nosler for the .300 Blackout and the .30 Rem. The only problem I ran into while handloading the .300 Blackout was with bullet set-out when the cartridge was chambered. Supersonic 300 Blackout bullets weigh 110 grains, or twice as much as standard 5.56 bullets. I had the same problem with the exactly the same ammo, Remington 300 BLKOUT 7.62x35mm 115 gr Close Tip Flat Base. 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. This is assuming that both of these bullets were fired through 16-inch barrels, though. You can reliably hit man-sized targets at 300 yards with supersonic 300 Blackout ammo or 150 yards with subsonic 300 Blackout ammo. Its legal and effective for killing deer (in many states its illegal to hunt deer with 5.56 ammo). Chris Parkin takes the Ruger American in .300 Blackout out for a spin, and reports back to us in this detailed rifle test and review. 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. Eotech solved this problem when they created the dual zeroed XPS2-300 for the 300 Blackout caliber in both super and subsonic. . If you don't want to complete a build, however, Aero Precision also sells completed rifles. I recommend first to try slower powder, I had the exact same problems with mine. Instead, it was designed for combat, which typically takes place within around 300 yards (and the vast majority of that combat occurs within about 100 yards). Using Fiocchi .300 blackout 220 grain subsonic ammunition. 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. These metal shards fly off in multiple directions, causing far more damage than even a well-designed hollow point. 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. Though I had used the 110-grain Speer Deep Curl for plinking quite a bit, I had never tested its terminal performance before this project. Any use of this content without express written consent is prohibited. Copyright 2023 National Rifle Association, Women On Target Instructional Shooting Clinics, Volunteer At The Great American Outdoor Show, Marion P. Hammer Women Of Distinction Award, Women's Wildlife Management / Conservation Scholarship, National Youth Shooting Sports Cooperative Program, 11 currently available .300 AAC Blackout factory loads, SilencerCo Launches Harvester Subsonic Ammunition Line, HPR Introduces the New .300 AAC Blackout in 110-Grain Barnes TTSX Configuration, Ruger Mini-14 Tactical Rifle Now Available in 300 AAC Blackout, Lessons Learned From a Ballistician | An Official Journal Of The NRA, New: Fiocchi 5.7x28 mm Subsonic Ammunition | An NRA Shooting Sports Journal, New: Browning Ammunition SUB22 Subsonic Rimfire | An NRA Shooting Sports Journal, Feeding The Ishy Low-Pressure 7.62 mm NATO For Indias Enfield | An NRA Shooting Sports Journal, First Look: Mission First Tactical Multi Mount, Is It Right For You? For bulk practice ammo I wet tumble all my 223 (5.56) / 300 blackout after resizing on the 650/RT1500. Not only do hollow points create much larger holes, they also cause the bullet to slow down much faster after entering the target, reducing the chances that itll pop out the other side. by jFlacoS Sun Dec 29, 2013 9:59 am, Post In the case of hunting ammo, you want your bullet to penetrate deep into the animal and if possible, go completely throughentering one side and flying out the other. This is certainly the prominent selling pointof the cartridge, but one of the areas the 300 BLK will sometimes lack is accuracy. P.S. Handguns, Sale Price: Hornady 300 Blackout 125-grain Full Metal Jacket Frontier (Supersonic), Hornady 300 Blackout 125-grain Hollow Point American Gunner (Supersonic), Hornady 300 Blackout 208-grain A-MAX Hornady BLACK (Subsonic). The 300 Blackout just doesn't pack enough powder to require a long tube for full combustion. The aluminum nose of the Lehigh Defense bullet also helps it feed into the chamber better than many hollow point designs. When frangible bullets hit a hard target, like a wall, they disintegrate into dust without passing through the target. I used an Advanced Armament Corporation (AAC) MPW carbine with a 16-inch barrel as the test rifle. I am using reloaded ammo (220 gr jacketed) and have shot thru a chronograph at about 1050 fps. My personal experience mirrors this. I also learned in my research that virtually all 300 AAC Blackout pistol builds utilize: a pistol length gas system, a lighter, carbine weight bolt carrier group (BCG), and a lighter, carbine weighted buffer in order to cycle sub-sonic reliably. Thats enough of a drop to seriously affect your accuracy when shooting at a target 100 yards away. After speaking with Nosler, I think we found the cause. Increasing it from 8 inches to 16 inches, though, might only result in a 20% increase in muzzle energy. Perhaps its wishful thinking to have the gun reliably feed both subs and supers in both suppressed and unsuppressed. The more energy a bullet imparts to a target, the more damage it causes, and the likely it is to kill someone or destroy something. With the 210-grain Berger VLD Target handload, four of the 10 rounds were above the speed of sound even after reducing the powder charge. 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. This additional mass gives the 300 Blackout a lot more momentum to push through obstacles and into your target. Thanks for the help. . Performance varies significantly depending on bullet type and weight, but perhaps the easiest way to understand it as a hunting cartridge is to compare it to the 30-30 Winchester. Where are you located and maybe somebody local can take a look at your gun. If it's ejecting okay where does the spent brass land? With an impact velocity of more than 2,200 fps, the Hornady SP bullet achieved a frontal diameter of more than .50 inch when shot into gelatin. After reducing the powder charge, eight of the next 10 rounds were subsonic. Have anything else to share? This is less of a problem with mid-grade 300 Blackout ammo from reputable companies. Theyre designed to lock onto the gun and then push fresh cartridges into the inside of the gun so they can be chambered and fired. A big part of the attraction to having .300 Blackout is to put a silencer on it and feel super operator pew-pewing subsonic ammo. 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. if you use bullets that are designed to expand while moving at subsonic speeds. Not the best for accuracy. After a second or two, youre pushing as hard as you possibly canyour powder has been completely burnedand you cant exert any more force on the car. . There are many different kinds of pistols out there, and whats right for one person might not be right for you. As the name implies, overpenetration refers to when a bullet passes through or misses your intended target and then continues on to hit something you didnt intend to shoot. or do any combination of those things . On the other hand, skeptics claim that 300 Blackout ammo is overrated, overpriced, and flat-out inferior to most other kinds of ammo you can shoot. 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. . The Hornady Full Metal Jacket Frontier 300 Blackout ammo is their value target practice cartridge, but since its Hornady its more than good enough for classes and competition. All of these companies have a reputation for making good but inexpensive ammo thats ideal for practice, plinking, and recreational destruction. The recovered weight (RW) is the weight in grains of the largest portion of the bullet. Years later, I headed out the range with a custom Remington Model 7 chambered in 300 BLK. . Bullets in the Barnes Triple-Shock family typically need more velocity than traditional cup-and-core bullets to expand, and the .300 Blackout just does not generate a lot of velocity. Perhaps one of the most sobering problems with .300 Blackout is the ability to chamber in a .223 or 5.56mm barrel. For now, lets focus on subsonic ammo. Sounds like the case sticking in the chamber is the root of your problem. . For all intents and purposes, a good maximum range for supersonic 300 Blackout ammo is probably around 300 yards. So, having a dedicated .300 BLK magazine will not only help safeguardagainst such risks, it will also guarantee more reliable functioning and feeding for your firearm. When the tip came off, the bullet slightly opened up and began tumbling, which caused the core to separate from the jacket. Youll also see bullet widths measured in millimeters (mm), and the width of the 300 Blackout bullet works out to 7.62 mm. 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. . The reloaded rounds do plunk into the chamber and fall out if you point the rifle up. Others say you should use the heaviest, most powerful ammo you can find. The nose of the bullet is made of solid aluminum and the base is made of solid copper. JavaScript is disabled. Second, theres the fact that this bullet causes a lot more damage than a hollow point 5.56. Theres a lot of crossover between home defense ammo and hunting ammo because the intended purpose of both is similar. 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 with the same boltthe part of the gun that grabs the back of the cartridge, pushes it into the chamber, and extracts it after firingas the 5.56, meaning both cases have to have almost the same dimensions. 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. Subsonic bullets travel slower than the speed of sound, which means they dont produce a sonic boom and thus can be extremely quiet when paired with a suppressor. 300 blackout uses very fast pistol powders and the pressure spikes optimum for cycling happens early. Whats your take on 300 Blackout ammo? Itll reliably kill deer, hogs, and people within those ranges, too. In 2011 AAC filed with SAAMI so the 300 Blackout could be chambered and loaded by anyone. I even took the time to order a special 1:7 twist barrel from Bartlein barrel to give me the edge with the heavy loads. 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. At that point, though, youre probably better off using a different cartridge. The only downside of hollow points and frangible bullets is they typically cost about a dollar per round. Its also moving considerably slower from the get-go, though, and experiences more bullet drop as a result. Due to the bullets light weight, its able to reach a muzzle velocity of 2,800 fpsalmost as fast as a 5.56 and much faster than standard 300 Blackout ammo. Machining a wide hollow point bullet out of a solid slug of copper (which expands more reliably and holds its shape better than a mixture of lead and copper). There's a narrow band of powders that work well with the .300 Blackout. That's it. Re: 300 blackout cycling issue???? For example, you can put any of the following uppers on any AR-15 lower . It appears woefully underpowered, yet, thanks to the higher B.C bullets it shoots, it outperforms our beloved old 30-30. I am using Lil'gun powder. Although the velocity variation did nothing for accuracy, this load was still more accurate than every factory subsonic offering except one. A Magpul .300 BLK PMAG (left) and a 5.56 PMAG (right). 2023 Springfield Armory. by jFlacoS Sun Dec 29, 2013 10:42 am, Post PRESCRIPTION 7Bullet: Berger 190-grain VLD HuntingPowder/Charge: Accurate 1680/12.2 grainsPrimer: Federal Small RifleCartridge Overall Length: 2.22 inchesMuzzle Velocity: 1,187 fps. It may not be a high probability, but the point isnt that you must be able to penetrate armor. Flat nose rounds do not feed and again single feeding is difficult and requires pointing the muzzle towards the ground and getting the nose of the round into the chamber and out of the gap. A battery of .300 BLK owners might experience perfect functioning of 5.56 NATO/.223 magazines with their .300 BLK firearms, while others may bellow about their woes and despair. So, why not just use hollow point 5.56 ammo? And it should work at least as well as the 30-30 on big antlered deer. The second a bullet leaves the muzzle of a gun, gravity begins pulling it toward the ground. This means smaller powder charges and faster powders. After a hard weekend at the range running some difficult drills with an 18 pound 300 []. Thus, Kevin Brittingham, the founder and CEO of AAC, tasked one of his chief engineers, Robert Silvers, to find a solution. Register today and take advantage of membership benefits. 10.5g it functions but doesn't keep the bolt open. This will give you good enough performance for short-range target practice (controlled mayhem?) First time shooting the gun, loaded up a 30 round magazine and I fire the first shot with no issues. By the end, youll know everything you need to know about 300 Blackout ammo, whether you should try it, and what you can expect if you do. I have heard you only want to convert brass from the US to 300 Blackout brass. The chief advantage of 300 Blackout is its versatility. There was, however, a concern: The load would only feed about 50 percent of the time. In case you arent familiar with the term, home defense refers to the practice of defending yourself against bad guys who break into your house. None of the primers in Lehigh Defense brass were crimped, but all of them in the Federal brass were crimped. For my part, Ive become thoroughly convinced that the 300 Blackout is here to stay, and that it deserves its newfound following. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. Its more powerful, efficient, and lethal when fired out of short-barreled rifles than 5.56 ammo. Penetration was deep due to lack of expansion, but the wound cavity was narrow. To correct this and ensure all of their ammo has more or less the same muzzle velocity out of all barrel lengths, Discreet Ballistics offers two loads for this ammo: The bottom line is the Discreet Ballistics 188-grain Subsonic Selous Machined Expander is one of the single best subsonic hunting cartridges you can buy. You can substitute a smaller-caliber expander ball, or you can de-prime in a different step with a universal de-primer. This unique cartridge, not surprisingly, has a varied grain weight range. I first tried opening gas port, still wasn't perfect, switched to vihtavouri 530 powder, and works great. WARNING: Technical data and information contained herein are intended to provide information based upon the limited experience of individuals under specific conditions and circumstances. Youll need to practice with the right optic, but with training you could learn to hit a man-sized target on your first shot at that range. 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. 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. When objects move faster than the speed of soundaround 1,100 fpsthey produce what sounds like a small explosion, known as a sonic boom. views and opinions of Springfield Armory. You gain a .30 caliber cartridge that can be fired from a traditional 5.56 NATO/.223 lower receiver (Whats the difference between 5.56 and .223? It should work reliably when using low-powered (subsonic) or high-powered (supersonic) ammo with or without a suppressor. 300 blackout optimized with pistol length gas systems. Because if that bullet keeps going after cutting through a bad guy theres no telling who it might hit. I was even able to switch back to heavy buffer and m16 spring. Once you couple in the fact that ammunition and reloading component manufacturers produce extremely diverse bullet geometry as well, it is becoming clearer as to why you need dedicated .300 BLK magazines. Instead, you want the bullet to enter the target, transfer all of its energy and lethal force to the person, and stop inside them without flying out the other side. 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. The further a bullet has to travel after being fired, the more time there is for drag to slow it down. If so, then you want to read my latest bookThe Second Amendment Manifesto: What Every American Should Know about Their Constitutional Right to Own Guns. 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. If a 50-grain bullet from the Fireball can do in a hog of this size, the 300 Blackout should have no problems.
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