problems with 300 blackout

The subsonic 300 Blackout bullet maintains its velocity better than the other two bullets due to its high ballistics coefficient. And other states like Montana, North Carolina, and Vermont dont care what the hell you shoot animals with. Ruger Ranch American 300 BLK - Negative Things to Know Before Buying 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. This significantly bumps up the muzzle energy without exceeding the speed of sound. So, instead of continuing to beat this horse, lets look at how the 300 Blackout compares to the 5.56 in terms of muzzle energy. 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. While the bullet is obviously much larger, the parent case is 5.56mm so it will fit into the chamber. Neck tension can vary between pieces of brass. 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. The ability to shoot 30 caliber bullets from a standard AR-15 M16/M4 style rifle bysimply changing the barrel and ammunition has made the 300 AAC Blackout (300 BLK) a popular choice for AR shooters looking for an alternative to 223 Remington/5.56 NATO. 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. My 300 BO will not cycle using subsonic ammo with a can. .300 Blackout Review (BLK) 2022 - Why This Ammo Is GREAT - Gun Advice No one doubts the deer-killing performance of the 30-30, and the 300 Blackout can match or exceed that. They arent exactly the same, but they have nearly the same performance and can be thought of as the same cartridge when it comes to ballistics comparisons. Quoted: A properly gassed .300blk pistol should run most sub/super loads with and without a suppressor using a non adjustable gas block. This will give you good enough performance for short-range target practice (controlled mayhem?) 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. The bullet expanded the widest of any I tested and pushed to 15 inches, where it exited the bottom of the block. The 3 Best 300 Blackout Uppers You Can Buy - American Arms . Post The ballistics coefficient of the bullet, which you can use to determine how much energy it will lose as it travels to the target. While the bullet is obviously much larger, the parent case is 5.56mm so it will fit into the chamber. Handloading the .300 AAC Blackout - An Official Journal Of The NRA All else being equal, bigger, heavier bullets are usually more effective at penetrating targets than lighter, smaller ones. If youre using subsonic bullets, then cut that range in half. It can be used in AR-15s with minimal modification. 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. Andrew Betts served with the Arizona National Guard for over 12 years, including a tour to Afghanistan. Today it is perhaps best known as a self-defense and military round, but gaining the spotlight as an effective hog killer, especially when combined with a suppressor to really muffle the report. I will try some other loads and see if I can keep sub and still cycle. 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. The Best 300 Blackout Ammo for Plinking and Practice, The Best 300 Blackout Ammo for Classes and Competition, The Best 300 Blackout Ammo for Home Defense. 300 BLK accuracy problems? Maybe it isn't you Lining up and Picking Sides - A WW3 Story. Because velocity is critical to performance, this load should be a great match for an SBR. 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?) 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. Jones. In this perspective, a rifle loaded with subsonic .300 Blackout may as well be a pistol caliber carbine. Not only does subsonic ammunition perform far more poorly in tissue, it also gives up one of the other primary advantages of a rifle: the ability to penetrate soft body armor. My conclusion is the 125-grain AccuBond needs a crimping groove. Because if that bullet keeps going after cutting through a bad guy theres no telling who it might hit. ***Fixed! Trouble with RCBS 300 Blackout Dies Not Seating Bullets Consistently 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. After reducing the powder charge, eight of the next 10 rounds were subsonic. 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. Discreet Ballistics 188-grain Subsonic Selous Machined Expander 300 Blackout (Subsonic), Hornady 110-grain GMX Full Boar 300 Blackout (Supersonic). Its base, capped with a bit of lead core, penetrated to approximately 15 inches but was only about the size of an aspirin. 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. . ) At bottom, bullets damage things, people, and animals by transferring energy to them. You have to step up to the true heavyweights to get below the speed of sound. Oops, there's been an error. The military was interested in this kind of performance for clandestine operations, I assume. The 7.62x40WT is a nifty little cartridge for the modern hunter who wants to stalk game with a standard sized AR-15 M16/M4. 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. Well, firstly, the aluminum nose of this bullet allows it to penetrate relatively soft obstacles like drywall, glass, and plywood without falling apart like 5.56 would. It's probably just the block shifted out of place. Thus, the 300 Blackout cartridge refers to a particular bullet and case combination. This causes the animal to bleed faster and die sooner than if the bullet only enters but doesnt exit. Even worse is when a combine that harvests grain needs a part only made in China. It fires a .30-caliber, 110 to 220-grain bullet and reliably works with and without a suppressor. 300 Blackout Issue PLEASE HELP! - AR15.COM Keep in mind, that its wildcat predecessors like the .300-221 were known to be fairly accurate with the right twist rate. 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. Bill Marr Open the gas port up a little at a time until the bolt will lock back on an empty magazine. As an added bonus, its all-copper construction means you dont have to worry about picking slivers of lead out of your steaks. Its so bad in this regard that it often doesnt penetrate as well as 9mm ammo. Sorry, an error occurred and we could not sign you up. When youre looking for plinking and practice ammo, a good rule of thumb is to look for the absolute cheapest ammo possible, and then go with whatever is slightly more expensive than that. . (Not important in my opinion, but worth knowing if youre concerned about the government keeping tabs on your arsenal). A Magpul .300 BLK PMAG (left) and a 5.56 PMAG (right). This additional mass gives the 300 Blackout a lot more momentum to push through obstacles and into your target. I am using a can. Each load was fired into blocks of 10-percent ordnance gelatin positioned 15 feet from the muzzle. Thats not an issue with 300 Blackout ammo, though. 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. The same thing happens on a smaller scale inside the barrel of a gun. Buy Guns Now to Avoid the Run. If this interplay between barrel length, bullet energy, and ballistics coefficient seems confusing, I dont blame you. 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 were even close for a . and opinions expressed on this website are those of the authors and do not necessarily reflect the So, how do you maximize bullet energy without exceeding the speed of sound? Solution for 300 AAC Blackout jamming! by Eddy Coleman - YouTube The copper base of the bullet is weakened in key spots so that when its forced to expand by the aluminum nose of the bullet, it flies apart into several sharp copper shards. 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. As a general rule, then, you want bullets to maintain as much of their velocity as possible. Both supersonic 300 Blackout and 223 loads run at the same operating pressures as well. Perhaps its wishful thinking to have the gun reliably feed both subs and supers in both suppressed and unsuppressed. The only problem with this ammo is that its often out of stock, but their Hollow Point American Gunner 300 Blackout ammo is a good alternative. Some say you want to use the fastest, flattest-shooting bullets you can find. If your rifle is like mine, there's a fine line on getting it to work. Most people rarely shoot at targets more than 300 yards away with either 5.56 or 300 Blackout. Ive gotten quite a few emails from shooters with experiences mirroring mine. All rights reserved. What about supersonic .300 Blackout, you say? Should you want performance at both ends of the velocity spectrum, then the .300 AAC Blackout is a good choice, and you can make it even better by using a variety of bullets and recipes through handloading. by Eddy Coleman, Gilmer, Texas Eddy's Reloads 5.57K subscribers Subscribe 21K views 6 years ago Repairing reloaded bullets that made a 300 blackouts. The only problem I ran into while handloading the .300 Blackout was with bullet set-out when the cartridge was chambered. The chief advantage of 300 Blackout is its versatility. In 2011 AAC filed with SAAMI so the 300 Blackout could be chambered and loaded by anyone. 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. Like airplanes, once in flight bullets have to overcome two main obstacles to reach their target: Air resistance is also referred to as drag. 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). We dive deep into the best of the .300 Blackout. Summary: The sweet spot between maneuverability and muzzle energy for a 300 Blackout barrel is around 7 to 9 inches, although you can get slightly higher muzzle energies with longer barrels. 300 BlkOut Issues: Failure to Feed, Double Feeds, Stuck Ammo by jFlacoS Sun Dec 29, 2013 2:59 pm Please help with my 300 BlackOut Rifle!!! 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. These The set-out problem is caused by inadequate neck tension and trying to taper-crimp cases that are not all exactly the same length. Instead of being made of solid lead and copper, like most bullets, frangible bullets are made of a mixture of compressed metal powders. 300BLK sizing issues! Need help - Rifle/Shotgun - Forums At that point, though, youre probably better off using a different cartridge. The bullet drops about 2 inches at 100 yards, 4 inches at 200 yards, 1 foot at 300 yards, 2.5 feet at 400 yards, and 5 feet at 500 yards. Its literally how much bang you get for your buck. At any rate, Jones Whispers were proprietary. articles and videos are considered to be suggestions and not recommendations from Springfield Armory. 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. And others say any halfway decent hollow point will do. Ammo used was Remington 125gr supersonic and 220 subsonic. Why not call it the 30 Blackout, then, since it fires a .30-caliber bullet? 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. Is the 300 Blackout just a new knickknack for tearing up targets at the range, or is it the better mousetrap weve been promised? Theres a lot of crossover between home defense ammo and hunting ammo because the intended purpose of both is similar. Whether you're using a 7.5-inch, 10.5-inch, or even 16-inch barrel, sub-sonic .300 BLK vastly outperforms 5.56 NATO when fired from a suppressed rifle. Subsonic ammo is lower-powered ammo that only propels bullets to just below the speed of sound. The Oxford English Dictionary also defines it as the study of the effects of being fired on a bullet, cartridge, or gun.. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. The cartridge simply cannot push them fast enough to ensure expansion. While this makes sense at first glance, its not entirely accurate. You can legally own one gun on paper, but have the ability to fire many different cartridges through it, because the lower is the only part of the gun thats regulated or tracked by the government. In many ways, this bullet has similar characteristics as the 5.56its a light weight, extremely fast moving bullet with a lot of muzzle energy. Not the best for accuracy. 300 blackout optimized with pistol length gas systems. I'm having a similar issue with a friends blackout pistol. 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. Check the Price. It was the fastest handload I tested. or do any combination of those things . Anything more expensive is probably more than you need if youre just tearing up targets and having fun. Imagine that your cars engine has died and you need to push it down the road. bullets hang onto it while deflecting minimally in the wind. I may try and get a carbine buffer and see how that works. The latest content straight to your inbox plus an automatic entry to each of our monthly gungiveaways! Dear Ron: 300 Blackout Cartridge for boar & deer? 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. The .300 BLK has easily been the most successful new caliber in the last 20 years. This matters because in most home defense or combat scenarios, you arent going to have a good shot at your enemy. What if you prefer to hunt with subsonic 300 Blackout ammo fired through a suppressed rifle? 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. Either the bullet was slipping forward in the case when the cartridge was chambered, or the carbine just did not like the AccuBond. Best results are found with bullets between 110 and 125 grains. Advanced Armament Corporation tweaked the round for solid performance in the M4 rifle. by 20X11 Sun Dec 29, 2013 12:59 pm, Post Its more powerful than 5.56 ammo when shooting subsonic (quiet) bullets. Spending less than this will likely give you ammo that isnt accurate enough, and spending more than that is likely overkill for competition and classes. In order to make your rifle Hollywood quiet, you have to do two things: Ill cover how suppressors work in another article. 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. 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. [ARCHIVED THREAD] - .300 Blackout pistol failure to feed issues. If you shoot one of these cartridges in a rifle with a 7-inch barrel, though, then youre only going to get about 900 fps in velocity. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. The 300 BLK has such a small case you are effectively loading pistol powder into a rifle cartridge. Momentum! The upper functioned flawlessly and accuracy was about 2 MOA, which it turns out, isnt too shabby for a BLK, but was still less than I had envisioned, especially considering the 7.62x50WT and 30 AR rifles I was testing around the same time shot about 1 MOA (read my 30 AR review here). Confusing 6ARC AR15 Gas Issue After Switching to Rifle +1 Barrel, Piston conversion and appropriate buffer and spring. . 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. AR brass has thicker neck walls than .300 AAC Blackout brass, sizing without the expander ball will still increase the neck tension in loads of the latter. 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? At that distance, the 300 Blackout has 2 feet of bullet drop versus 1 foot for the 5.56. This is assuming that both of these bullets were fired through 16-inch barrels, though. I love researching and writing these articles, and the more they get shared around, the more Im encouraged to write. Assuming it takes two shots on average to kill most game, including missed shots and the occasional berzerker boar that needs a mag dump, that means youre only spending $3 to 6 per animal. If a 50-grain bullet from the Fireball can do in a hog of this size, the 300 Blackout should have no problems. 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. 2023 Springfield Armory. 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. Let me know in the comments!). Worth it to buy dedicated .300 blackout mags? : r/300BLK - Reddit He's also a writer for the NRA Shooting Sports USA, TheFirearmBlog, Sierra Bullets, All Outdoor, OutdoorHub, and Boyds Gunstocks. Please share the pictures of the groups with us on Facebook and what load you are using, I think there is a lot of interest. And, because 300 Blackout bullets are pointed instead of flat-nosed or round-nosed like 30-30 bullets, they are more efficient, more aerodynamic. This effect is known as bullet drop, and its basically a measurement of how much the bullet deviates downward from a straight line to the target. 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.
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