Good to go. A new ammo maker burst onto the scene, in the form of the .300 Blackout. It is a shame, it never caught on as much as it should have. 308 Winchester Load Development: 175-grain Sierra Matchking and Varget, 6.5 Creedmoor 136 grain Scenar-L OTM Load Development, H4350, Accuracy testing a 16″ carbine: Daniel Defense Hammer Forged Barrel, Shotgun duckbill with 41 pellet number 4 buckshot, Sierra .30 Caliber/7.62MM 175 Grain HPBT Tipped MatchKing (TMK) Load Development and Review: 308 Winchester and Varget, CTK Precision P3 Ultimate Gun Vise Review, Glock firing pin channel removal and replacement, Custom 1911 Project: Part 2-undercut trigger guard, Rifleshooter.com’s Shotgun Buckshot Standards, Jewell trigger installation on Winchester 70/FN Special Police, Ammunition concentricity and accuracy: Testing the effect of run-out on precision, DVD Review: Tactical Pistol Operator with Paul Howe. Maxim Defense PDX 300 blackout - gas problems solved? Lancer's L5AWM has been our choice for the best 5.56 … “Rack” pull the charging handle of your AR-15 back swiftly with ample force and release it cleanly 3. Well, this one is true I tell ya! Once you start trying to do other things with the 300 BLK, better options emerge. The main problem with those experiments was that either the bolt had to be replaced or both the bolt and the magazine did. The.300 Blackout is one of a few cartridges that will run in the same.223 and 5.56 magazines at full capacity. It tried to beat the Soviet 7.62×39 mm, and it was successful in terms of the usable range and penetrative characteristics. It may be interesting for the reader to know how this round is being used, and who is using it. 300 blackout … 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. Well, someone did. Do you have a 300 BLK that hammers (say, five 5 shot groups under 1 MOA in a row)? Lancer L5AWM 300 BLK Magazines. It worked, and the .300 has shot up in popularity over a very short period of time. I saw it happen! After a hard weekend at the range running some difficult drills with an 18 pound 300 […]. If it’s farther away, you could just injure the animal, which is considered inhumane. The rifle, as pictured above, includes the following parts from Brownells: It took 26 different loads to get it end up with both a super and subsonic load around a MOA. You can use the .300 Blackout for both. There also seems to have been a general misunderstanding of customer expectations. https://rifleshooter.com/2016/08/300-blk-accuracy-maybe-it-isnt-you Due to its more considerable weight, it has a more stable flight trajectory. I like my 300 BLK, but see it for what it is. I just received my Sheridan 300 Blk slot gauge for checking the reloads. 23 Topics 154 Posts Last post Mk116 scope mount question If we are to fully understand this round, we need to take a look at the technical aspect as well. There were five main criteria. Reloading 300 Blackout and Testing Loads in 2 Different ARs J.D. Use a rifle length buffer and spring, heavy buffer, or “heavy carrier” and the problems increase substantially. In fact, the gun could even explode. There is an enormous number of guns chambered to fit it, and all of the major manufacturers of ammunition love it. Firing the .300 Blackout out of this barrel would cause catastrophic consequences. I just picked up a 700 SS Milspec 223 16” 1-9 twist for a steal. Glock 26 vs. Glock 43 – Which Should You Buy. The handguard heats up after extended shooting sessions, especially with a suppressor. To learn more about the 7,62x40WT click here. I used a few hundred LC cases from various years and they all worked just fine. Post was not sent - check your email addresses! There was the 6.8 Rem Special, 6.5mm Grendel, the Wilson Combat 6.8mm, and others. Perhaps the most pronounced issues that the pre-580 series rifle faced actually boiled down to production flaws, where the factory got a little sloppy. That’s why this round is standard in the special forces units of the UK, the Netherlands, and Germany, in addition to the U.S. 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. So why do I think the 300 BLK isn’t an inherently accurate? Post subject: Re: Ruger American 300 Blackout mag problems. I use Lee dies to make brass from 223/5.56 and two molds for boolits, The Lee TL309-230-5R and the Lee C312-155-2R. 300 Blackout: A Brief Ancestry & Historical Timeline Sep 22, 2016. How accurate is the Rem 700 SPS 16” 300BO? The 5.56 NATO round was developed in the 1960s since very light, and fast bullets were all the rage back then. The .30-221 evolved into the .30-223 to allow the use of more common .223/5.56 brass without the need to reduce the neck thickness by turning. As we have seen, you can use it with a standard AR-15, while getting more bang for your buck (literally). As we said in the previous section, they made the .300 Blackout to fit certain characteristics. I recommend first to try slower powder, I had the exact same problems with mine. Enter your email address to subscribe and receive notifications of new posts by email. This presents little problem if you do not already own a 5.56mm rifle, but it seems fair to wager that the majority of prospective .300 Blackout owners also own AR-15 type rifles chambered in 5.56mm. If so, that's your problem. My personal experience mirrors this. Was I alone in my 300 BLK experience? The mags are helpfully marked with “300 AAC BLACKOUT” to ensure that you don’t go slamming the wrong ammo into the wrong gun, but otherwise they are pretty much standard 5.56 Mini-14 magazines. In close-quarter situations, this round can replace a shotgun due to its weight. 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. The .300 AAC Blackout (designated as the 300 BLK by the SAAMI and 300 AAC Blackout by the C.I.P. The pictured WMD Beast performed perfectly with Hornday 110gr AMAX rounds, but as expected with subsonic rou… 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. The Sporting Arms and Ammunition Manufacturers’ Institute considers it a standard cartridge. Jones’ 300 Whisper got things started commercially years ago for today’s 300 AAC Blackout fans. It is a typical problem that 300 users of Blackout struggle with when shooting subsonic ammunition (which is more prevalent with subsonics for factory version). This is not a one-trick pony, it’s not reserved for combat use alone. The rifle is built with the following components from Brownells: Surgeon 591 action Bartlein 6.5mm 1:8 […], I’ve done a few Special Purpose Rifle (SPR) builds over the years and was always happy with the results. It would be really cool if Ruger had re-engineered the gun to use the much more common AR-15 magazines, but nope. The second feature that arises from these characteristics is its use in tactical situations. It was a real breakthrough in terms of fixing the problems with its illustrious predecessor. Naturally, these are also the main features of the round and the primary selling point. In addition to these requests, they also had to adapt the round to two different uses. It had to work for both subsonic, suppressed use, as well as supersonic use. Simply put, the 300 Blackout in high velocity is barely delivering enough gas pressure with a carbine length gas system to cycle the action. Posted: Wed Jul 22, 2015 2:11 pm . While its primary use is with the AR-15, people have put it in all sorts of other guns as well. That contributes to higher accuracy in subsonic conditions. That’s a lot of grounds to cover for any round. Single-Sixer: Joined: Tue Apr 22, 2014 10:00 pm Posts: 470 Ah, this thread did the trick, I am now free. “Reassess” This replaces the “Bang” part of the cycle many veterans were taught. Years later, I headed out the range with a custom Remington Model 7 chambered in 300 BLK. 0. I sorted the good from bad and then proceeded to pull the bullets from the bad reloads. Often they’ll ask something like, “I’ve been shooting and reloading for years, no matter what I try, I can’t get the gun to shoot better than 2 MOA, with an occasional 1 MOA group, why is this”? Bullet Tips: Understanding bullets starting from … Not the best for accuracy. Topics Posts Last post; New Product Announcements and Good Deals ... Last post Firing Problems S M 15 by Enfoto Sun May 05, 2019 9:14 am Primary Weapon Systems Moderators: gds, bakerjw, renegade. You hear internet stories about someone who stuffed the wrong caliber cartridge into a rifle and pulled the trigger. The 300 Blackout cartridge was designed from the ground up to be fired through AR-15s, and as a result it doesn’t suffer from any of the reliability problems of other cartridges. If you’re like me, you take these legends with a grain of salt, shake your head a bit, and move on. VIDEO: Fog Ammunition Manufacturing .223 with Sierra Blitzking Sep 08, 2016. That said, a.300 Blackout round might have some feeding issues due to the front guide ribs of the 5.56 magazines and a wide selection of bullets that are affecting in terms of the overall length of a.300 Blackout cartridge. However, the weight also ensures that subsonic hits really pack a punch. If you like Rifleshooter.com, please follow us on Facebook. SAAMI specifies a 1 in 8″ twist in order to stabilize the heavy loads, most of the uber accurate 300 BLKs you’ll see have a much slower twist to work with the supersonic loads. With a bullet that isn’t over stabilized, factors that can be detrimental to accuracy, such as a concentricity issue, can be mitigated. People who have used it for hunting recommend shooting it only if the animal is within about 100 yards. 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. If you are looking for an easy to tune, high accuracy round, you may be better served elsewhere. As a gun owner and hunting enthusiast he frequently participates in debates surrounding the Second Amendment. I like it especially in the shorter guns, and, around here at least, it’s looked on as an effective Whitetail cartridge choice. I spent a lot of time (and money) building this rifle. This is a departure from the NATO round, which needed to be light and fast, so it fizzles out when muzzled. 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. 300 BLK, Cartridge Selection, Precision Rifles, Reloading The first attempt to remedy any stoppage of an AR-15 should be what those in the know call Immediate Action: “Tap, Rack, and Reassess.” 1. At this point, we have to throw in a note of caution. There are various weights available for the bullet, depending on the barrel size. Well, first thing’s first, let’s have a look at the problems that plagued Ruger’s original 1973 Mini-14. It also has trouble with short barrels, since it derives most of its power from the speed it travels at. That’s why different manufacturers have offered different rounds to replace it over the years. To learn more about the 7,62x40WT click here. The 300 BLK or .300 AAC Blackout cartridges are designed to be chambered in a standard multi-caliber lower receiver of AR-15 by merely changing only the barrel. It’s a particular favorite of European special forces, due to its prowess in tactical situations. These include the M4, but some 9” pistols as well. Make sure your gun is designed to handle the .300 Blackout specifically before using it! For example, it wasn’… Obviously, the caliber of this round is .300, and the bullet diameter is 308” or 7.8mm. However, as it has grown in popularity, various other groups have begun to use it. Re: 300 blackout cycling issue???? There is even a 220-grain version fired at 1,010 fps. Never miss a post! Secondly, it had to be a .30 caliber projectile. 300 AAC Blackout General Discussion. The ability to shoot 30 caliber bullets from a standard AR-15 M16/M4 style rifle by simply 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. And eve… With the growing popularity of the 300 AAC Blackout (also known as the 7.62×35mm or 300 BLK), which uses a .223 Rem. ), also known as 7.62×35mm is an intermediate cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine.Its purpose is to achieve ballistics similar to the 7.62×39mm cartridge, or even more similarly, the 7.92×33mm Kurz … The .30 Blackout was originally offered as the .30 AAC Blackout.All of these named cartridges are nearly identical in dimensions and could probably use each others' loading data without any problem. The shell casing is 1.368″ or 34.7mm long. case necked up to accept 0.308 … At the end of the day, the easiest way avoid having this problem is to use Lake City brass for 300 BO conversions. In fact, nowadays you can pretty much find it everywhere. First, its muzzle energy had to equal or exceed the AK-47. Much like the 300 BLK, the 7.62x40WT only requires a new barrel and ammunition to switch calibers. You can even find it in Walmart nowadays! Pretty much, it’s for those who want a bigger bullet in an AR-15 with a minimum of technical distractions (some call them problems). Reloading 101: Measuring group size and converting to MOA, Remington 700 SPS 243 Win to 6 Creedmoor conversion: Budget precision rifle, 308 Winchester Load Development I headed to the range to do some load development for my custom Remington 700 chambered in 308 Winchester with a 22″ long barrel (my previous load was a NRA High […], I’ve taken a few trips to the range developing a load for my 22″ barrel 6.5 Creedmoor precision rifle. A glove would have solved this problem, but it’s something to keep in mind. The Blackout was made to fix some of the problems with the NATO round. On some well-known and established forums, you’ll note the majority of load development occurs at short ranges with 50 yards being common and 25 yard groups appearing at times! Take a look at some legitimate load development and testing and you’ll start to notice that it is very hard to get a 300 BLK to shoot consistently well with both a subsonic and supersonic cartridges from the same gun- a fact that has led a few major manufacturers to avoid introducing bolt-action rifles in this caliber. Both cartridges are cross compatible in new chambers, but don’t try reformed military brass in a tight, old Whisper chamber. Still, the AAC did it and went down in history. Sorry, your blog cannot share posts by email. By utilizing a fast twist to stabilize the long heavy subsonic bullets, I suspect accuracy suffers on the lighter loads. Then, controversy erupted. The idea behind the .300 Blackout was to try to fix all these problems while retaining the format. In this section, we will go over the most important specs that contribute to the reputation this round has in various subsections of the gun community. Though the primary users of this round are the special forces, hunters can also put it to good use, if they are smart, which is what brought this round to the wider public. 300 Blackout Chambering Issue Hope this is in the right spot. The ammo maker was Hornady, and I had the opportunity to be one of the first testers of factory ammo in a J.D. The main one was that the 5.56 NATO is too loud for the amount of power it carries. Since I started this thread with the intention of buying the Howa in 300 blackout I have changed course. I sold my Ruger Ranch in 300 blk back last year with the intentions of buying the Howa. Since the .300 BLK is intended to function in much shorter barrels, it uses powders that are suited to burn in the shorter barrel lengths. “Tap” your magazine to be sure it is properly seated 2. Imagine dumping a pile of money into a rifle and having it shoot some loads nearly 4 MOA!- I was that guy- something I seldon experience during the load development process. Namely, it’s very hard to create a round that is good for everything, and the 5.56 NATO does fail on some points. Namely, this round can fit into a barrel designed for a .223 Remington. 6.5 Creedmoor vs .308 Winchester – Which One Is The Best? It’s also notoriously hard to suppress, since doing so can decrease its speed dramatically, rendering it ineffective. Hunters also use this round to great effect, though not for long-range shooting. It may only be me, but when I do encounter a 300 BLK that shoots, it’s often not a true 300 BLK. However, the .300 Blackout is another matter. Jones-built upper for the AR-15.This was in 2011, and life was good..300 Blackout Hits The Scene. That person was Bill Wilson of Wilson Combat with his 7.62x40WT. You won’t run into those problems with the 300 Blackout cartridge, though. In my opinion, the bread and butter of the 300 BLK is short barrel rifle applications, especially with a suppressor (what isn’t cool about a 10″ 300 BLK with a can and IR laser?) I don’t have comments enabled on this site, to discuss this post, feel free to comment on it there. It works with all current AR magazines, bolts, bolt carriers, and it improves upon the NATO’s record on short distances and short barrel use, all while being very quiet. Simply said, before firing, be sure that there is still a reason to do so and that it is still safe to fire… Born and raised in Missouri, Mark now lives in Murray with his wife and two sons. You may have to register before you can post: click the register link above to proceed. In this review, we will go over the history of this round, as well as all of its standout features. Wish someone told you this before? Everyone knows that the king of intermediate cartridges is the 5.56x45mm NATO round. For example, it wasn’t as accurate as heavier rounds when doing target practice. As it usually goes with the U.S. Army, they got what they wanted. August 17, 2016 The 300 BLK has such a small case you are effectively loading pistol powder into a rifle cartridge. I was even able to … This means smaller powder charges and faster powders. It tried to beat the Soviet 7.62×39 mm, and it was successful in terms of the usable range and penetrative characteristics. The .300 Blackout is a remarkable round, due to its many technical properties. Savage B22 Precision Rimfire Rifle Review, Beretta M1951 mystery- cutting our way to the truth, Gunsmithing: replacing a curved steel butt plate with a rubber recoil pad, Project Guns- Gunsmithing articles and posts.
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