If you are looking for an easy to tune, high accuracy round, you may be better served elsewhere. For example, shooting 208g Amax with 10.7g of Hodgdon 4198, it functions great and keeps the bolt open on the last round. With that out of the way, lets look at the bullet drop of the 300 Blackout. 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. A 300 Blackout was not used to take this feral hog, but its parent case, the 221 Fireball, was! 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 . The RCBS Primer Pocket Swaging tool will correct this, but taking care of the issue is a time-consuming affair. when loaded with fairly standard 220gr subsonic rounds, that guide presses into the projectile of the subs inside the 5.56 magazine. 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. Its so bad in this regard that it often doesnt penetrate as well as 9mm ammo. PRESCRIPTION 6Bullet: 150-grain Nosler Ballistic TipPowder/Charge: Hodgdon Lil'Gun/17.0 grainsPrimer: Federal Small RifleCartridge Overall Length: 2.18 inchesMuzzle Velocity: 2,058 fps. A cartridge load for 7 to 11-inch barrels with slightly more gunpowder to increase the velocity out of short-barreled rifles. Some people even go so far as to say that anything longer than a 9-inch barrel for a 300 Blackout is a complete waste of space and weight. Like the same mid-length gas that's on a 5.56/223 rifle? The only downside of hollow points and frangible bullets is they typically cost about a dollar per round. Another common problem with subsonic 5.56 ammo is that it often doesnt have enough energy to reliably work in semi-automatic rifles, like the AR-15. If youre using subsonic bullets, then cut that range in half. That's it. 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. 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. The .300 BLK has easily been the most successful new caliber in the last 20 years. What barrel and gas tube length? And in case you prefer to scrutinize the data yourself, here it is in table format: 300 Blackout Ballistics Based on Barrel Length. 0. Using Fiocchi .300 blackout 220 grain subsonic ammunition. With some loadsparticularly those using the 125-grain Nosler AccuBond and 150-grain Nosler Ballistic Tipthe bullet would migrate forward in the case when the cartridge entered the chamber. Its base, capped with a bit of lead core, penetrated to approximately 15 inches but was only about the size of an aspirin. The best way I've found to solve this problem is to size brass without the expander ball in the die. The 300 Blackout, on the other hand, is designed to reach maximum muzzle energy when fired through a 9-inch barrel. So, how do you maximize bullet energy without exceeding the speed of sound? 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. For example, if you level your rifle at a target 100 yards away and fire, and the bullet hits 3 inches below where you aimed, then there were 3 inches of bullet drop. Years later, I headed out the range with a custom Remington Model 7 chambered in 300 BLK. In the gel, it acted like a high-velocity pistol bullet, which it isSpeer designed it for the .30 Carbine cartridge. You might be able to hit something further than that, but dont count on it. If you're trying to create supersonic loads with long, 150-grain or heavier bullets, you'll find powder space is limited. Potentially both. In case you arent familiar with the term, plinking refers to more or less randomly shooting at stuff for fun, in a safe manner. I recommend first to try slower powder, I had the exact same problems with mine. 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. 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. (L to R) 5.56 NATO, .300 BLK, .30 Carbine. 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. 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. When the tip came off, the bullet slightly opened up and began tumbling, which caused the core to separate from the jacket. If you're looking for a multi-purpose load for the .300 AAC Blackout, this may be the best bullet. It is a shame, it never caught on as much as it should have. 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. Knocks the burs left right off. Most barrel makers and benchrest shooters will tell you the best accuracy for a given bullet is obtained with a twist rate that just stabilizes the bullet. Jones. Although .30 Rem. If you like Rifleshooter.com, please follow us on Facebook. To learn more about the 7,62x40WT click here. (At my location the speed of sound was about 1,143 fps on the test date.) [ARCHIVED THREAD] - .300 Blackout pistol failure to feed issues. 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. I'm having a similar issue with a friends blackout pistol. Jones of SSK Industries in the 1990s as part of his Whisper series of cartridges based on the 221 Fireball. It's probably just the block shifted out of place. 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. I pulled these numbers out of thin air, but this general principles hold true for all gun barrels. 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 At that point, though, youre probably better off using a different cartridge. What if you prefer to hunt with subsonic 300 Blackout ammo fired through a suppressed rifle? 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. bullets hang onto it while deflecting minimally in the wind. ), you have the overlap of a 5.56 NATO/.223 bolt-carrier group (BCG), and you can use 5.56 NATO/.223 magazines as well sort of. 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. Hornady is known for being more or less the top dog of quality ammunition. Lets consider the Blackout with 150-grain bullets at 2,100 fps. 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. You can get terminal performance beyond the reach of currently offered factory ammo from .300 Blackout handloads. In supersonic loads, 150-grain bullets are on the heavy side for the .300 Blackout. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. With a 16" barrel and mid length gas system it 'should' be able to cycle using subsonic ammo even without a can. 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. Most bullets move faster than this speed, which is responsible for the loud crack a bullet makes as it travels through the air. 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. 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. Re: 300 blackout cycling issue???? 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. The 300 Blackout is a rifle cartridge thats more powerful than the 5.56 when fired out of a barrel thats less than 16 inches long. You can substitute a smaller-caliber expander ball, or you can de-prime in a different step with a universal de-primer. by smustian Sun Dec 29, 2013 1:08 pm, Powered by phpBB Forum Software phpBB Limited. Energy is measured in foot-pounds of force (ftlbf), or Joules (J) if you prefer the metric system. ***Fixed! Before we go any further, its worth spending just a moment to get acquainted with the 5.56, as well be comparing it to the 300 Blackout throughout this article. For bulk practice ammo I wet tumble all my 223 (5.56) / 300 blackout after resizing on the 650/RT1500. . The most important task of a magazine is that it feeds cartridges smoothly into the gun. 2023 Springfield Armory. 223 Ackley Improved (223AI) loads and review: A better 223? If it's ejecting okay where does the spent brass land? lighter buffer? Other factory ammo and reloads with CCI 400's were 100%. We were even close for a . 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. Granted, not all obstacles are going to be soft pinewood, but this does illustrate just how much more effective the 300 Blackout is at penetration than the 5.56. Some would even say the 300 Blackout is too good at penetrating obstacles. The muzzle energy, which is the energy of a bullet just after it leaves the barrel of a gun. 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 unique cartridge, not surprisingly, has a varied grain weight range. Some bullets are designed to be fired through longer barrels, and some are designed to be fired through shorter barrels. I like my 300 BLK, but see it for what it is. The 300 Blackout has become one of the most popular rifle cartridges available. . There are many different theories on what makes the best hunting ammo. 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. Okay, so it isnt terrible exactly. The gas tube is pinned. However, we show the problem and some testing. 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 .300 Blackout has had a few years to grow now. 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. In my experience the 300 Blackout runs best with a pistol length gas system. 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. 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? Its more expensive ($1.4 most places), but its some of the most accurate subsonic 300 Blackout ammo you can find. . All AR-15 uppers are standardized to work with AR-15 lowers, so you know that the two parts will always match, too. JavaScript is disabled. Thats enough of a drop to seriously affect your accuracy when shooting at a target 100 yards away. If you want to fire 300 Blackout through your AR-15, all you have to do is buy a 300 Blackout upper, slap it on your AR-15 lower, load up your AR-15 mags with 300 Blackout ammo, and start shooting. . Its no surprise, then, that the main statistic that shooters care about when it comes to terminal ballistics is bullet energy. Much like the 300 BLK, the 7.62x40WT only requires a new barrel and ammunition to switch calibers. Two reasons, case capacity and barrel twist. 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 problem becomes even more pronounced when the round is fired from a carbine or pistol-length barrel, and that's where .300 Blackout steps in. by rjacobs Sun Dec 29, 2013 12:09 pm, Post AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. 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. 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. Please help with my 300 BlackOut Rifle!!! Eotech solved this problem when they created the dual zeroed XPS2-300 for the 300 Blackout caliber in both super and subsonic. It can penetrate through more material (walls, trees, people . 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. Discreet Ballistics 188-grain Subsonic Selous Machined Expander 300 Blackout (Subsonic), Hornady 110-grain GMX Full Boar 300 Blackout (Supersonic). Drag also affects the bullets trajectory, which can have a significant impact on accuracy even at close ranges. These metal shards fly off in multiple directions, causing far more damage than even a well-designed hollow point. Springfield Armory recommends you seek qualified and competent training from a While the bullet is obviously much larger, the parent case is 5.56mm so it will fit into the chamber. Summary: When it comes to rifles with barrels less than 16-inches long, though, the 300 Blackout is more lethal than 5.56. I have a CMMG 8.5" barrel. Summary: Subsonic 300 Blackout is significantly more powerful than subsonic 5.56, 9mm, and even .308, which makes a 300 Blackout rifle one of the most powerful nearly Hollywood quiet rifles you can have. It would work well for defense and tactical applications; the bullet's bonded construction would help it hold together when encountering a barrier. In fact, it was faster than any factory load I tested. 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? password, Sub Category: Itll reliably kill deer, hogs, and people within those ranges, too. Whats your take on 300 Blackout ammo? 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. A metal grip frame, slide ports and a red dot cut are just some of the new features. 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. 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. So I recently built a 300 blk out upper and took it out to the range over the weekend and had cycling issues. It was the fastest handload I tested. A cartridge with a higher-pressure load contains more gunpowder, and a cartridge with a lower-pressure load contains less gunpowder. The 1911 is an iconic design, and the 2011 takes it one step further. 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. Discreet Ballistics also went to great pains to ensure that the bullet was as accurate as possible when fired through a suppressor, which is their modus operandi. I will try some other loads and see if I can keep sub and still cycle. In addition, my testing revealed it is relatively easy to assemble .300 AAC Blackout handloadsboth subsonic and supersonicthat are more accurate than factory loads. 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.). We dive deep into the best of the .300 Blackout. The Savage Axis II also builds a little weight into the tube with the diameter just to the rear of the 5824 threads coming in at 0.75 inches. If youve spent any time poking around online, youve likely heard its . 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. Had problems with cycling both. and 5.56 NATO loads. The barrel is 16" with a mid length. by jFlacoS Sun Dec 29, 2013 10:42 am, Post Terminal-performance testing yielded some interesting results, which are detailed in the accompanying sidebars, and so did the handloading exercise. This additional mass gives the 300 Blackout a lot more momentum to push through obstacles and into your target. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. To increase bullet energy on target, increase the barrel length or the bullets ballistics coefficient. 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. 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. Just for funsies and completeness, heres a table with all of the data from the above charts: 300 Blackout vs. 5.56 Bullet Drop (In Inches). You can easily adjust for the 8 inches of drop at 200 yards by aiming slightly above the target. My 300 BO will not cycle using subsonic ammo with a can. 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. In other words, the drop of 5.56 bullets is about half as much at any given range as supersonic 300 Blackout bullets. You see, just because all of the gunpowder in a cartridge is burned doesnt mean that increasing the barrel length doesnt offer any benefits. When youre blasting rotten fruit, rubber balls, and reinforced steel plates without any other goal than to see and hear things go splat and ping, then youre plinking. 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. Thanks to its unique design, though, it will still fall apart and not overpenetrate if it hits a tougher obstacle like a thick wooden wall, a car, or a tree. Its legal and effective for killing deer (in many states its illegal to hunt deer with 5.56 ammo). The Glock 17 has a 4.5-inch barrel and generally produces muzzle velocities of around 1,150 fps with 124-grain bullets. To get down to the nitty gritty; live rounds are "being left" in the chamber. 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. 300 blackout uses very fast pistol powders and the pressure spikes optimum for cycling happens early. 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It may only be me, butwhen I do encounter a 300 BLK that shoots, its often not a true 300 BLK. I am using a can.
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problems with 300 blackout