Please help with my 300 BlackOut Rifle!!! 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? That bullet is more blown open than a T-1000 after a run-in with Arnold Schwarzenegger. Do you care about your Second Amendment rights? 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. Apparently not. 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. 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. Remove the gas block and look for off-center carbon ring where the block meets the hole in the barrel. If you live alone in a basement then this probably isnt much of a concern, since bullets that overpenetrate will just lodge in your collection of anime sex dolls. Terminal performance was excellent. With the right shot, a 300 Blackout will kill just about any wild animal in North America. In supersonic loads, 150-grain bullets are on the heavy side for the .300 Blackout. The leader in the shooting industry for modern sporting rifle magazines is Magpul, and their .300 BLK magazines have an optimized internal geometry that accommodates a wide variety of .300 BLK cartridges. In laymans terms, that is exactly what we are looking for a magazine made for the varying bullet types, grain weights and shapes that come with the .300 BLK cartridge. Jones. 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. In most cases this means nothing. The ballistics coefficient of the bullet, which you can use to determine how much energy it will lose as it travels to the target. It's usually the shorties - under 10" - that need the can to cycle with subs. 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. And, because 300 Blackout bullets are pointed instead of flat-nosed or round-nosed like 30-30 bullets, they are more efficient, more aerodynamic. Others say you should use the heaviest, most powerful ammo you can find. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. My conclusion is the 125-grain AccuBond needs a crimping groove. JavaScript is disabled. . In addition, my testing revealed it is relatively easy to assemble .300 AAC Blackout handloadsboth subsonic and supersonicthat are more accurate than factory loads. Written By Michael Crites Licensed Concealed Carry Holder Reviewed by You see where this is going, dont you? Than 5.56 Ammo, 300 Blackout Ammo Can Be Used in AR-15s with Minimal Modification. . 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. So if you enjoyed this, would you share it on Facebook and Twitter? A 300 Blackout bullet fired from a 10.5-inch barrel has almost the same muzzle energy as a 5.56 bullet fired from a 16-inch barrel. Most bullets move faster than this speed, which is responsible for the loud crack a bullet makes as it travels through the air. Forum member @Mr.Brooklyn asks the following in his profile post: "Has anyone else been having problems with the Springfield Saint Victor 300 Blackout jamming?I just purchased this firearm brand new and immediately I began having these issues my first time shooting it." I decided to post his question as a forum thread (I hope you don't mind Mr.Brooklyn), as I just also recently purchased the . 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. I was even able to switch back to heavy buffer and m16 spring. To meet these requirements, they looked to a similar cartridge called the .300 Whisper, which was created by noted firearms cartridge designer J.D. The Glock 17 has a 4.5-inch barrel and generally produces muzzle velocities of around 1,150 fps with 124-grain bullets. Surf around on Internet forums, and youll often see people saying they would never use a 300 Blackout for home defense because it will overpenetrate. The bullet expanded the widest of any I tested and pushed to 15 inches, where it exited the bottom of the block. As you learned a moment ago, the 300 Blackout was custom designed to be fired through the AR-15. I know Noveske makes good products, but maybe you got an out-of-spec barrel. Energy is measured in foot-pounds of force (ftlbf), or Joules (J) if you prefer the metric system. This table shows the velocity of the three bullets weve discussed so far at six different ranges. This is important, because the distance a bullet has to travel before hitting its target can drastically change how it behaves in flight and after entering the target. 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). I may try and get a carbine buffer and see how that works. Cutting long grooves down the nose of the bullet, an area known as the. Most people rarely shoot at targets more than 300 yards away with either 5.56 or 300 Blackout. In the AAC MPW carbine, the 10-shot, 100-yard group measured 1.81 inches. These metal shards fly off in multiple directions, causing far more damage than even a well-designed hollow point. Product prices mentioned in articles and videos are current as of the date of publication. Weakening key points along the length of the ogive so that slivers of the bullet poke out at angles designed to cause maximum trauma inside the target. One of the benefits of 300 Blackout ammo is that there are umpteen different bullet designs to choose from. 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? The military was interested in this kind of performance for clandestine operations, I assume. In order to make your rifle Hollywood quiet, you have to do two things: Ill cover how suppressors work in another article. Not the best for accuracy. WARNING: Technical data and information contained herein are intended to provide information based upon the limited experience of individuals under specific conditions and circumstances. The aluminum nose of the Lehigh Defense bullet also helps it feed into the chamber better than many hollow point designs. 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. With a magazine follower designed around the varying profiles of .300 BLK, a larger cut for rounds to exit the magazine, and feed lips that are equally engineered for the spectrum of bullet shapes, a dedicated .300 BLK magazine is truly the way to go. It should be equally or more powerful than the 7.6239 cartridge (AK-47 ammo) when fired from 9-inch barrel. Impact velocity was obtained with a Shooting Chrony positioned in front of the gel block. For example, you can put any of the following uppers on any AR-15 lower . by jFlacoS Sun Dec 29, 2013 10:42 am, Post 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. When objects move faster than the speed of soundaround 1,100 fpsthey produce what sounds like a small explosion, known as a sonic boom. . Some people question whether or not the 300 Blackout is effective for killing deer, and the simple answer is, yesabsolutely. The best way to understand bullet drop is to visualize it, which is easy if you use a ballistics calculator. That means if you aim at someones chest at that range, the bullet is most likely going to slump into the ground at their toes. Often theyll ask something like, Ive been shooting and reloading for years, no matter what I try, I cant get the gun to shoot better than 2 MOA, with an occasional 1 MOA group, why is this? There are three key points worth noting about this data: Summary: You can easily make accurate shots with supersonic 300 Blackout ammo up to 300 yards away and 200 yards away with subsonic ammo. If youre spending money on competition or good instruction, then you generally dont want your accuracy to be distorted by low-quality ammo. Adam is a manager at The Guns And Gear Store in Waite Park, MN. He's also a writer for the NRA Shooting Sports USA, TheFirearmBlog, Sierra Bullets, All Outdoor, OutdoorHub, and Boyds Gunstocks. The latest content straight to your inbox plus an automatic entry to each of our monthly gungiveaways! 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. There are five main reasons people use 300 Blackout ammo over 5.56 and other similar rifle cartridges: Lets cover each of these points briefly. I say that because they aren't getting stuck, it's almost like the bolt/extractor isn't even engaging the case. Its not uncommon for you to get a failure to eject or a failure to feed when using subsonic 5.56 ammo, which refers to any malfunction where the casing is pulled out of the chamber but not removed from the gun or when the next casing fails to enter the chamber. In many ways, the 300 BLK in design terms is the opposite of a modern match cartridge like the 6mm BR or 6.547 Lapua. It should be no surprise then that 300 Blackout ammo excels here as well. And how does that affect real-world accuracy? ***Fixed! 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. . So while some of us have chased after .300 BLK for its usefulness in hunting medium-size game, potentially defense, or even for the recreational enjoyment of the round, its safe to say that we will all experience more pleasurable range time with a dedicated .300 BLK magazine for our .300 BLK firearms. Just for kicks, I also assembled subsonic loads with two heavyweight bullets. Shooters are making multiple kills of the crop raiders before the herd can disburse. We dive deep into the best of the .300 Blackout. (At my location the speed of sound was about 1,143 fps on the test date.) As long as the cartridges you want to use will fit in AR-15 magazines, then they will likely work in any AR-15 lower receiver. The 5.56, for instance, is designed to reach maximum muzzle energy when fired through a 20-inch barrel, and barrels shorter than that produce less muzzle energy. After testing 11 currently available .300 AAC Blackout factory loads, I came to a couple conclusions. Lehigh Defense 300 AAC Blackout 78-grain High Velocity Close Quarters. ***What AR-10 Buffer/Spring are you running with the Magpul UBR? Youll often hear people say that the ideal barrel for shooting 300 Blackout is 8 or 9 inches. Just like with the 190-grain VLD handload and most factory subsonic loads, bullet expansion was nonexistent and penetration was excessive. This makes the 300 Blackout one of the most versatile and convenient cartridges you can shoot. Any 300 Blackout upper should run on any milspec 5.56 lower without modification. The two primary kinds of ballistics you need to worry about are external ballistics and terminal ballistics: So, with this model in mind, lets look at the 300 Blackouts external and terminal ballistics. bullets hang onto it while deflecting minimally in the wind. ratings mean they actually shoot . It may not display this or other websites correctly. All rights reserved. You can get terminal performance beyond the reach of currently offered factory ammo from .300 Blackout handloads. 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. . without spending more than you need to. 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 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. Momentum! If your life is really in danger, and you want the maximize the chances of taking your assailant down as fast as possible, you want to use supersonic ammo (and ideally, something that doesnt overpenetrate). The 300 BLK has such a small case you are effectively loading pistol powder into a rifle cartridge. 300 blackout optimized with pistol length gas systems. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. And they do this by burning about 10 to 12 grains less powder than the 30-30. . If you live above ground, though, then every bullet that doesnt stick in your assailant could hit someone who didnt deserve it, and thats not cool. I am using Lil'gun powder. Frankenstein AR-15 troubleshooting question, .300 Blackout/Whisper Ballistics Gel Results, retrieve your and opinions expressed on this website are those of the authors and do not necessarily reflect the We were even close for a . I pulled these numbers out of thin air, but this general principles hold true for all gun barrels. [ARCHIVED THREAD] - .300 Blackout pistol failure to feed issues. You may discover published data will generate supersonic loads, and you may need to reduce powder charges to ensure each bullet remains subsonic. This issue isnt unique to 300 Blackout bullets, though. Best of all, it was designed from the ground up to work in Americas favorite riflethe AR-15with only a quick change of the barrel required to shoot it. You can reliably hit man-sized targets at 300 yards with supersonic 300 Blackout ammo or 150 yards with subsonic 300 Blackout ammo. Longer barrels will produce more muzzle energy, of course, but not substantially so. The subsonic 300 Blackout bullet maintains its velocity better than the other two bullets due to its high ballistics coefficient. than 5.56 ammo. and itll shoot without any other modifications. For example, lets say increasing a 300 Blackout barrel from 4 inches to 8 inches results in a 50% increase in muzzle energy. 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. 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. Knocks the burs left right off. ALWAYS CONSULT COMPREHENSIVE REFERENCE MANUALS AND BULLETINS OF PROPER TRAINING REQUIREMENTS, PROCEDURES, TECHNIQUES AND SAFETY PRECAUTIONS BEFORE ATTEMPTING ANY SIMILAR ACTIVITIES. "Not cycle" can mean several things - does it extract and eject the fired round but not feed the next round, something else? All Rights Reserved, Botswana Safari with No Second Place Winner Bill Jordan (Part 2). Each load was fired into blocks of 10-percent ordnance gelatin positioned 15 feet from the muzzle. You grab some friends, line up behind the car, put your hands on the bumper, and push as hard as you can. . Is there anything else to do other than open up the gas port? So, who is right? Some bullets require a certain barrel length to reach maximum energy, and using shorter barrels makes them far less effective. Live The Armory Life. 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 . It can penetrate through more material (walls, trees, people . 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. 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. While this makes sense at first glance, its not entirely accurate. 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. If you're looking for a multi-purpose load for the .300 AAC Blackout, this may be the best bullet. . (L to R) 5.56 NATO, .300 BLK, .30 Carbine. With subsonic ammo and a suppressor, your 300 Blackout will also be as quiet as its possible for a gun to be and significantly more powerful than 5.56 and 9mm. You wont find a cartridge that does it all better than the 300 Blackout. For example, the absolute cheapest you can get 300 blackout is generally around 50 cents per round, so expect to play closer to 60 to 75 cents per round for your everyday practice ammo. I had the same problem with the exactly the same ammo, Remington 300 BLKOUT 7.62x35mm 115 gr Close Tip Flat Base. YesI read thatbut what is the buffer weight and spring length and number of coils? It's a fun, lower velocity round that can really pack a punch. by smustian Sun Dec 29, 2013 1:08 pm, Powered by phpBB Forum Software phpBB Limited. The more a bullet slows down, the more energy it loses and the more it will drop. It was first concocted by J.D. bullet all the way up to 220 grains. 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. certified instructor prior to handling any firearm and be sure to read your owners manual. I subjected these .300 Blackout handloads to a testing protocol similar to the one I used to evaluate the factory ammo. They offer an almost identical practice cartridge that uses the same amount of gunpowder, but with a full metal jacketed bullet instead of their Machined Selous Expander bullet, which drops the price to a more affordable 98 cents per round. 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. At bottom, bullets damage things, people, and animals by transferring energy to them. Never miss a post! It cycles supersonics fine, it cycles the subs with a borrowed suppressor just fine, but it's not getting enough gas to run subs with no can. All Rights Reserved. The 300 Blackout, though, is much wider and longer than the 5.56, and its designed to use a bullet that weighs up to 220-grainsalmost four times heavier than standard 5.56 ammo. . 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. It penetrated as deep as any of the lead-core bullets loaded in the factory loads I tested. If you're trying to create supersonic loads with long, 150-grain or heavier bullets, you'll find powder space is limited. This will give you good enough performance for short-range target practice (controlled mayhem?) The muzzle energy, which is the energy of a bullet just after it leaves the barrel of a gun. For example, some states like Iowa, Washington, and Minnesota only allow you to hunt deer with ammo thats .24-caliber or wider (which excludes 5.56). 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. It appears woefully underpowered, yet, thanks to the higher B.C bullets it shoots, it outperforms our beloved old 30-30. It is a shame, it never caught on as much as it should have. This means smaller powder charges and faster powders. 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. (Just make sure you dont accidentally shoot 300 Blackout ammo through your 5.56 upper, or this happens.). 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. PRESCRIPTION 4Bullet: 130-grain Barnes TTSXPowder/Charge: Accurate 1680, 18.8 grainsPrimer: Federal Small RifleCartridge Overall Length: 2.18 inchesMuzzle Velocity: 1,919 fps. If youve spent any time poking around online, youve likely heard its . Neck tension can vary between pieces of brass. I loaded an additional 10 rounds using the original data and fired them through a CVA Scout with a 16-inch barrel. It should work in AR-15 rifles and magazines, with only a change of the barrel required to make it operational. To learn more about the 7,62x40WT click here. Its more powerful than 5.56 ammo when shooting subsonic (quiet) bullets. Discreet Ballistics 188-grain Subsonic Selous Machined Expander 300 Blackout (Subsonic), Hornady 110-grain GMX Full Boar 300 Blackout (Supersonic). (Heres a good video that explains how this works). 300 Blackout vs. 5.56 Velocity Loss (In Feet Per Second). The .300 Blackout started out as a military round. This isnt an issue with 300 Blackout, which was designed so that it would properly cycle an AR-15 regardless of whether you use super- or subsonic ammo. Any use of this content without express written consent is prohibited. The rifle, as pictured above, includes the following parts fromBrownells: It took 26 different loads to get it end up with both a super and subsonic load around a MOA. This is why theyve become popular for home defensetheres no risk of overpenetration. 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. 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. The most accurate handload beat out the best factory load by .60 inch when both were fired from the same gun. Let me know in the comments section below! 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. It will eject the spent brass, but not pickup a new round. As a result, you generally want your home defense ammo to . It may work exceptionally for some and mediocre at best for others. None of the metal fragments penetrated more than 16 inches, which is exactly what you want with home defense ammo. by 20X11 Sun Dec 29, 2013 12:59 pm, Post Hornady is known for being more or less the top dog of quality ammunition. No one doubts the deer-killing performance of the 30-30, and the 300 Blackout can match or exceed that. . 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. If you can't buy tires for your car, that's a more significant problem. 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!!! 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. I am using a can. 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