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? if you use bullets that are designed to expand while moving at subsonic speeds. A cartridge, also called a round, refers to a design for a how a case (the brass shell that holds the gun powder) and a bullet all fit and function together. This table shows the velocity of the three bullets weve discussed so far at six different ranges. To eliminate this sonic boom, you need to use bullets that travel below the speed of sound, or less than 1,100 fps. WARNING: Technical data and information contained herein are intended to provide information based upon the limited experience of individuals under specific conditions and circumstances. However, we show the problem and some testing. The 300 Blackout has become one of the most popular rifle cartridges available. If you plug these stats into a ballistics calculator, like this one, then you can estimate how much energy each bullet will have at different distances: 300 Blackout vs. 5.56 Bullet Energy (ftlbf). ratings mean they actually shoot flatter and retain more foot pounds of energy than the 30-30 after about 100 yards! ratings mean they actually shoot . I was even able to switch back to heavy buffer and m16 spring. . The same thing happens on a smaller scale inside the barrel of a gun. Have anything else to share? The 3 Best 300 Blackout Uppers You Can Buy - American Arms Longer barrels will produce more muzzle energy, of course, but not substantially so. The barrel is chambered in 300 AAC Blackout with a 1 in 8" twist. I have used multiple mags with no success. But that momentum is just as effective for the hog hunter. Accuracy was not. 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. I tried taking one of the weights out of a carbine buffer, and it moved ejection from 5 to 3 o-clock, but it still wouldn't pick up the next round. 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. I spent a lot of time (and money) building this rifle. And it should work at least as well as the 30-30 on big antlered deer. The Oxford English Dictionary also defines it as the study of the effects of being fired on a bullet, cartridge, or gun.. The subsonic 300 Blackout loads are often compared to 45 ACP, 10 mm or 9mm subsonic rounds. 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. 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. This is why the 300 Blackout is also called the 7.6235, which corresponds to its bullet width and case length in mm, respectively. Although more difficult, you can even adjust for the 2 feet of drop at 300 yards. 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. 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. 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. However, you'll only have to do it once. 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. However, the 130-grain TTSX did not, mainly because the heavier bullet could not achieve as much velocity. Jones chambered T/C Contender handguns for these rounds and called them Whispers because he was keeping muzzle velocities below the speed of sound. My 300 Blackout will not cycle subsonic | Oklahoma Shooters External ballistics is the study of how a bullet behaves as it flies to the target. The views And, because 300 Blackout bullets are pointed instead of flat-nosed or round-nosed like 30-30 bullets, they are more efficient, more aerodynamic. It can be used in AR-15s with minimal modification. 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 . 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. Subsonic ammo is lower-powered ammo that only propels bullets to just below the speed of sound. The Best .300 Blackout Guns - American Firearms Here are the Best .300 blackout rifles (Our Picks) 1. 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. 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. . Revisiting the Suppressed .300 Blackout for Survival. 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. JavaScript is disabled. The same properties that make 5.56 bullets fragment inside people also make it break apart when it hits wood or metal. Sign up with your email address to receive news and updates. Perhaps one of the most sobering problems with .300 Blackout is the ability to chamber in a .223 or 5.56mm barrel. First time shooting the gun, loaded up a 30 round magazine and I fire the first shot with no issues. This is less of a problem with mid-grade 300 Blackout ammo from reputable companies. Thats not a bad tradeoff when you consider the terminal ballistics of 300 Blackout vs 5.56 (which youll learn next). The best way to understand bullet drop is to visualize it, which is easy if you use a ballistics calculator. The 5.56 bullet disintegrated after penetrating only a few boards, whereas the 300 Blackout stayed intact as it sliced through every single board in this test. 300 Black Out Pistol Cycling Problem Fixed - YouTube As a general rule, then, you want your bullets to shoot flat, or with as little drop as possible. 223 to 300 BLK RT1500 trim Problems - Dillon Precision Reloading It's usually the shorties - under 10" - that need the can to cycle with subs. 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YesI read thatbut what is the buffer weight and spring length and number of coils? So if you enjoyed this, would you share it on Facebook and Twitter? This additional mass gives the 300 Blackout a lot more momentum to push through obstacles and into your target. The 5.56 (pronounced five-five-six), also known as 5.5645 NATO or the 556, was designed in 1980 to work with the AR-15 rifle and is the standard rifle cartridge for all NATO forces, including the United States, England, Germany, and other countries. Short Barrel 338 Lapua Magnum Load Development Results, 300 BLK load development: 125, 135, 175 and 220 SMK with H110 and IMR 4227, Accuracy testing a 16 carbine: Daniel Defense Hammer Forged Barrel, Refreshing a poorly machined Remington 700 action, 223 Remington/5.56 NATO, velocity versus barrel length: A man, his chop box and his friends rifle, Replacing a plastic recoil pad on a shotgun, USMC M40A5 Build- Part 3: Receiver Truing, Fortune Favors The Brave.Even When Outnumbered, Customizing the 1911: countersink and flush cut slide stop pin, 6 Creedmoor barrel length versus muzzle velocity (31 to 17 inches). by pschier Sun Dec 29, 2013 10:08 am, Post "Not cycle" can mean several things - does it extract and eject the fired round but not feed the next round, something else? Potentially both. If it is mixed brass of 223/5.56 brass that was converted to 300 Blackout I have read in a couple of Forums that NATO 5.56 wall thickness creates issue when trimming or cutting it to make 300 blackout brass. 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. When combined with a suppressor, 300 Blackout ammo can give you one of the most powerful, nearly silent rifles you can have. So in the case of home defense ammo, you want your bullets to cause as much damage as possible to the target without careening out the other side. I dont want to knock the 30-30 here, but its also true that the Blackout is more versatile than the 30-30. Hornady is known for being more or less the top dog of quality ammunition. It was first concocted by J.D. . Let's consider the Blackout with 150-grain bullets at 2,100 fps. Theres one part of the AR-15 that doesnt always play nice with different kinds of ammo, though, and that is the magazines. [ARCHIVED THREAD] - .300 Blackout pistol failure to feed issues. 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. With that basic understanding out of the way, here are the numbers I used to create the first graph: The bullet drops about 3 inches at 100 yards, 8 inches at 200 yards, 2 feet at 300 yards, 4.5 feet at 400 yards, and 9 feet at 500 yards. For example, a 55-grain 5.56 bullet bullet traveling just under the speed of sound1,050 fpsonly has 135 ft.lbf. 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. 300 BlkOut Issues: Failure to Feed, Double Feeds, Stuck Ammo -300BlkTalk Its legal and effective for killing deer (in many states its illegal to hunt deer with 5.56 ammo). Click here to find out. Penetration was deep due to lack of expansion, but the wound cavity was narrow. So, who is right? When you try to shoot further than that, though, youre better off using a different cartridge. Most people rarely shoot at targets more than 300 yards away with either 5.56 or 300 Blackout. 300 Blackout vs. 5.56 Velocity Loss (In Feet Per Second). Why Your .300 BLK Won't Work - The Armory Life The 300 Blackout shooter is getting 30-30 performance with about one-third the powder and slightly less recoil. Thought a Beretta shotgun was out of your budget? A new large format pistol from the oldest gun manufacturer in the world. Advanced Armament Corporation tweaked the round for solid performance in the M4 rifle. Some say you want to use the fastest, flattest-shooting bullets you can find. Trouble with RCBS 300 Blackout Dies Not Seating Bullets Consistently AR, I did not have to taper-crimp bullets weighing less than 150 grains. Odd, yes, but it has a lot of benefits for hunters and shooters alike. 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. Some people question whether or not the 300 Blackout is effective for killing deer, and the simple answer is, yesabsolutely. We cannot show the process itself of resolving the problem due to YouTube TOS. The cartridge simply cannot push them fast enough to ensure expansion. (Just make sure you dont accidentally shoot 300 Blackout ammo through your 5.56 upper, or this happens.). The bolt will not lock back with an empty mag. 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. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Group size was halved to a respectable measurement of around 2 inches. 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. If your barrel isn't dimpled correctly for the block screws that might also be the culprit. I spent several hours chambering dummy cartridges with a variety of bullets and measuring set-out, and in fact, I found it occurred to some extent with every bullet tested. And other states like Montana, North Carolina, and Vermont dont care what the hell you shoot animals with. Designed as a varmint bullet for .30-caliber rifles, the 110-grain HP from Sierra offers massive internal damage over a short distance. Copyright 1996-2023 AR15.COM LLC. If your first priority is subsonic performance from a .30-caliber AR, go with the .300 AAC Blackout and heavy bullets. 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. 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). Beyond the upgrade in bullet diameter, the 300 BLK offers the versatility of heavy 220 grain plus subsonic projectiles as well as lighter supersonic offerings. Solution for 300 AAC Blackout jamming! 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 basis of their argument is that you want your rifle to have a barrel thats just long enough for all of the gunpowder to burn, and no longer. August 17, 2016 I just built a .300 blackout pistol and took it to the range for the very first time today and had some failure to feed issues. It wasnt the precision love fest I envisioned. 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. If you want to use subsonic ammo for classes, then go with their Hornady A-MAX Black subsonic ammo. I appreciate all the advice. I will try some other loads and see if I can keep sub and still cycle. 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. . Savage Axis II 300 Blackout - Gun Tests I used the following data for these calculations: (Although these cartridges are slightly different, their stats are fairly representative of average 300 Blackout and 5.56/.223 ballistics.). Its hard to find a cartridge that does this better than the Discreet Ballistics Selous Machined Expander you just learned about. Much like the 300 BLK, the 7.62x40WT only requires a new barrel and ammunition to switch calibers. All Rights Reserved, Botswana Safari with No Second Place Winner Bill Jordan (Part 2). If your rifle is like mine, there's a fine line on getting it to work. 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. That might seem like a lot, but remember this is specialized hunting ammo. With a bullet that isnt over stabilized, factors that can be detrimental to accuracy, such as a concentricity issue, can be mitigated. Specifications: Length: 3.8" Width: 2.1" Height: 2.5" Weight: 9.0 oz Water Resistant: Submersible to 10 ft. Mount: 1" Weaver or MIL-STD-1913 rail Power Source: One 123 lithium battery bullet all the way up to 220 grains. When was the last time you saw 30-30 ammo offered with anything but 150-, 160-, or 170-grain bullets? Its light weight and high speed also causes it to fragment, which is great for tearing up soft targetslike peoplebut not so great when trying to penetrate hard targets like wood. Increasing it from 8 inches to 16 inches, though, might only result in a 20% increase in muzzle energy. If so, that's your problem. You must log in or register to reply here. without overly sacrificing bullet performance and lethality . Their higher B.C. The only downside of hollow points and frangible bullets is they typically cost about a dollar per round. 7.62x39mm is a respectable cartridge and so is .300 Blackout when it is loaded to supersonic velocity. If you also know a bullets ballistics coefficient, you can then use a ballistics calculator to estimate how much energy the bullet loses along its path to the target. The chief advantage of 300 Blackout is its versatility. 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. It should work in AR-15 rifles and magazines, with only a change of the barrel required to make it operational. All Rights Reserved. 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 measures 0.145" and the 5.56 measures 0.175". Predicting the trajectory of subsonic 300 Blackout bullets is difficult, as the ballistics coefficient can vary from 0.65 (very good) to 0.173 (dog doo doo). 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. Terminal performance was excellent. Although .30 Rem. I tried 3 different mags, Pmag, Victory and GI, and it had the same problem. If this interplay between barrel length, bullet energy, and ballistics coefficient seems confusing, I dont blame you. 300 Blackout AAC. Some would even say the 300 Blackout is too good at penetrating obstacles. Solution for 300 AAC Blackout jamming! by Eddy Coleman - YouTube It is a shame, it never caught on as much as it should have. I used load data from Hodgdon and Accurate, but my first attempt yielded supersonic velocities. Lining up and Picking Sides - A WW3 Story. 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. All three of the rifles tested in this group had trouble feeding the stubby 300 Blackout cartridges if we just dropped the rounds into the opening of actions generally designed for longer cases. For now, lets focus on subsonic ammo. Another reason as to why a dedicated .300 BLK magazine would be beneficial is the markings on them. This process provides substantially more neck tension, and when employing the technique with the .30 Rem. Sorry, an error occurred and we could not sign you up. The bottom line is the Lehigh Defense 300 AAC Blackout 78-grain High Velocity Close Quarters cartridge is one of the single best cartridges for home defense you can buy. Summary: The 300 Blackout was designed from the ground up to work seamlessly with the AR-15. It may not display this or other websites correctly. by 20X11 Sun Dec 29, 2013 11:19 am, Post 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. I have tried a lighter weight buffer as well. Youll be able to kill just about anything your little heart desires with a supersonic 300 Blackout bullet fired through a 7 to 9-inch barrel within 300 yards. 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. 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. Whats the Ideal Barrel Length for a 300 Blackout Rifle? With some loadsparticularly those using the 125-grain Nosler. 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. . 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. I took out the carrier bolt assembly, and re-oil it and still the same problem. None of the 210-grain VLD handloads cycled the carbine's action. This showcases the dual purpose of the round. 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. 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. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. You have to step up to the true heavyweights to get below the speed of sound. 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?) Never miss a post! Most bullets move faster than this speed, which is responsible for the loud crack a bullet makes as it travels through the air. I dont have comments enabled on this site, to discuss this post, feel free to comment on it there. Some bullets require a certain barrel length to reach maximum energy, and using shorter barrels makes them far less effective. Its more expensive ($1.4 most places), but its some of the most accurate subsonic 300 Blackout ammo you can find. This matters because in most home defense or combat scenarios, you arent going to have a good shot at your enemy. Oops, there's been an error. If youve spent any time poking around online, youve likely heard its . If you were to keep pushing on the car, thoughnot necessarily pushing any harder but pushing on the car for longerthen it would gather even more speed and move even further. However, I found the .300 Blackout clearly has a subsonic advantage and, in turn, offers more versatilityas long as the AR chambered for the round is equipped with an adjustable gas block to maximize reliability. This bullet was purpose-built by Nosler for the .300 Blackout and the .30 Rem. 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. Buy Guns Now to Avoid the Run. 223 Ackley Improved (223AI) loads and review: A better 223? Please help with my 300 BlackOut Rifle!!! If it's not feeding the next round you might try a lighter weight buffer or a different magazine or different type of magazine with a different spring rate. 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? You are using an out of date browser. I tried this for several rounds with the same thing each time. The only problem I ran into while handloading the .300 Blackout was with bullet set-out when the cartridge was chambered. Quoted: A properly gassed .300blk pistol should run most sub/super loads with and without a suppressor using a non adjustable gas block. Years later, I headed out the range with a custom Remington Model 7 chambered in 300 BLK. You can find factory, boxed ammunition anywhere from a 110-gr. Any 300 Blackout upper should run on any milspec 5.56 lower without modification. With. The latest content straight to your inbox plus an automatic entry to each of our monthly gungiveaways! 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. 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. 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. Council Houses To Rent In Middleton, Manchester, Chirotouch Print Hcfa, Articles P
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