300 blackout stock

These tend to be cheaper and are what you’ll find on most budget AR-15s, but they also tend to overheat faster, break more easily, and compromise accuracy more than free-floating handguards. $0.972 - $3.748 . BCM® RECCE-12 MCMR PISTOL (300 BLACKOUT) $1,500.00. Whether you plan on using a suppressor or not, I recommend the Dead Air flash hider/muzzle brake. Price per One (1) Bag of 100 … M-Lok is generally the best option for most people. The charging handle, which you use to retract the bolt-carrier group so that it can transport a cartridge from the magazine to the chamber. They allow you to aim at and transition between targets faster than rifles with longer barrels. Please email in lieu of limited phone support. . . If you have a suppressed AR in 300 Blackout and want to stock up on affordable ammo, this is a great option. BCM 300 Blackout 9-inch MCMR-8 Upper ($640 to $889). Finally, every part of this upper has been designed to minimize sharp corners and unnecessary protrusions and channels to make it sleek, light, and attractive. 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. Summary: Get a free-floating handguard with either M-Lok or Keymod attachment systems. The barrel is chambered in .300 blackout and machined with .300 blackout feed ramps in the barrel extension. 2. That just leaves the question of which 300 Blackout upper is best? Price per One (1) Bag of 100 cartridges $26.00 . Daniel Defense – 300 Blackout Law Folding Stock Adapter Check For Best Price Specifications Chambered in .300 Blackout LAW Tactical Folder and SB Tactical SOB Pistol Brace installed Accepts standard AR-15 Magazines In other words, you won’t get in trouble for simply owning a short-barreled upper, as the upper isn’t legally a firearm. I haven’t tested every 300 Blackout upper out there and I’m sure some worthy contenders have fallen through the cracks, but I’ve tested enough and talked with enough shooters to point you in the right direction. 300 AAC BLACKOUT 300 AAC Blackout, SAAMI short name 300 BLK, also known as 7.62×35mm is a rifle cartridge developed in the United States for use in the M4 carbine. Its purpose is to achieve ballistics similar to the 7.62×39mm Soviet cartridge in an AR-15 platform while using standard AR-15 magazines at their normal capacity. The .300 AAC Blackout is a nearly perfect home defense cartridge. A short-barreled rifle is legally defined as a rifle with a barrel less than 16-inches long or or an overall length of less than 26 inches. The second best 300 Blackout upper is the Noveske 10.5-inch Gen lll. 300 AAC Blackout ammo, SAAMI short name 300 BLK, also known as 7.62×35mm is a rifle cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. Lower receiver, which is the metal frame that holds the rest of the parts of the lower together. Braces don’t feel quite the same, but the differences are small enough that most people would rather just buy or build a “pistol” AR. Best Subsonic Ammo: Hornady Subsonic 300 Blackout 190-Gr, 20-Rds Includes:AR .300 Blackout 16" Inch Rifle Length Barrel 1:8 Twist Black Nitride Finish (Made in USA)A.. Login For Price . When buying a 300 Blackout upper, you want it to include a bolt-carrier group and charging handle, a free-floating handguard, and a barrel that’s between 7 and 12 inches long. Find 300 Blackout Guns for sale at Omaha Outdoors. .300 Blackout Rifle Brass Headstamps Are Mixed 500+ Casings . On the other hand, free-floating handguards don’t touch the barrel (hence the barrel remains “free floating” inside the handguard). Best Subsonic Ammo: Hornady Subsonic 300 Blackout 190-Gr, 20-Rds. The Best 300 Blackout Ammo for Classes and Competition. When choosing a 300 Blackout upper, you need to ask yourself three questions: If you want an upper receiver group that works right out of the box, buy a complete upper with bolt-carrier group and charging handle. For example, it wasn’t as accurate as heavier rounds wh… View Write Review. Now that you know what an upper is, and which cartridge you want to shoot (300 Blackout), it’s time to pick an upper. Our .300 Blk rifle kits are built to get a little more juice behind your shots. The three best 300 Blackout uppers are the Radian Weapons Model 1, Noveske Gen lll Shorty, and the BCM MCMR-8. The.300 blackout can be described as a.223 trimmed down and necked up to.300blk. If you want to shoot it through your AR-15, all you have to do is buy and install a 300 Blackout upper, load up your regular AR magazines with 300 Blackout ammo, and start shooting. What is the.300 Blackout? M-Lok features a series of rectangular holes cut into the handguard, like this: Keymod featured a series of keyhole-shaped holes cut into the handguard, like this: Both M-Lok and Keymod work just fine, although a test conducted by the Naval Surface Warfare Center found that M-Lok was more durable and did a better job of securing accessories when subjected to repeated drops and other abuse. I also like to attach a suppressor to most of my 300 Blackout rifles, so I want the barrel to be as short as possible to minimize the overall length of the gun. $25.99. Find in-stock .300 AAC Blackout ammunition and sort by price, brand, seller, review and more. Daniel Defense DDM4 PDW 300 Blackout MFR#: 02-088-22070-047 UPC: 818773022200 CALIBER: 300 blackout MAGAZINE CAPACITY: 30 rounds # OF MAGS: One TYPE: Semi Auto Pisotl BARREL LENGTH: 7″ … 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 group. 300 AAC Blackout LC Headstamp. … . 300 blackout ammo - Splash - Cheap prices of all ammunition in Foundry Outdoors. In other words, you won’t get in trouble for simply owning a short-barreled, The Definitive Guide to 6.5 Creedmoor vs. .308, The Complete Glock 19 Gen 5 Review (Everything You Need to Know), How to Choose the Best 300 Blackout Upper. That’s not the case with the AR-15, though. Login / Join. You want to go with a free-floating handguard if your budget allows. Although it’s not drastically different from Keymod, it’s probably a little more durable, accurate, and secure, and costs the same. 5 out of 5 stars (1) Total Ratings 1, $67.99 New. View. This means the bullet rotates once per 5 or 7 inches of barrel, which improves the accuracy of heavy subsonic 300 Blackout bullets. Now, an upper receiver—like the ones you just learned about—is not considered a short-barreled rifle until you attach it to an AR-15 lower receiver. If you already have a bunch of Keymod-compatible accessories, though, then get a Keymod handguard. If you plan on using a suppressor, though, this isn’t an issue for either 5.56 or 300 Blackout. The 300 Blackout was also designed to be more lethal than 5.56 ammo when using subsonic bullets, which are easier to suppress than normal ammunition. It’s also hard to say what the “best” 300 Blackout upper is, as this definition will vary depending on what you’re doing. Finally, you can also load 300 Blackout ammo into 5.56 magazines. . It’ll ruin your day (and your gun). Go to next slide - Shop by Type. . Next, you need to choose what kind of attachment system you want on your handguard. (There are anecdotes of people shooting over 12,000 rounds through 416R stainless steel barrels using much more powerful rounds than 300 Blackout). Summary: If you want an upper receiver group that works right out of the box, buy a complete upper receiver with bolt-carrier group and charging handle. Plus they don’t look cool. Both M-Lok and Keymod work just fine, although a test. In Stock ; Out of Stock × 300 AAC Blackout. In many ways, this upper is on par with the Radian Weapons Model 1. If you attach the upper to a lower with a pistol stabilizing brace, you don’t need to register it as an NFA item. Radian Weapons Model 1 9-inch 300 Blackout Upper ($1,435), The Noveske Gen lll Shorty 10.5-inch 300 Blackout Upper. .300 AAC Blackout (7.62x35mm) ammo rifle AmmoSeek.com Comparison shop for in-stock ammunition, guns, mags, and reloading at the lowest prices … M-Lok and Keymod are the most common systems because they’re lightweight, durable, and don’t add much bulk to the rifle. Wait, Aren’t Short-Barreled Rifles NFA Firearms? This is a 300 Blackout upper with a 9-inch barrel and an 8-inch rail. 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. One of the most unique aspects of the AR-15 is that you can configure it to fire a long list of various cartridges by swapping out part of the rifle—the upper receiver. You won’t run into those problems with the. AR .300 BLACKOUT 16" RIFLE BUILD KIT W/ 15" M-LOK HANDGUARD BCG LPK & STOCK KIT Includes:AR .300 Blackout 16" Inch Rifle Length Barrel 1:8 Twist Black Nitride Finish (Made in USA)A.. Login For Price Sig Sauer MCX Rattler Pistol .300 Black Out 5.5" Barrel 30 Rnd M-Lok Handguard - $2509 after code "WELCOME20" $2,509.00. Summary: An AR-15 rifle upper is the portion of the gun that contains the barrel, bolt-carrier group, charging handle, forward assist, and handguard. Price per One (1) Bag of 100 cartridges. 7.62×35mm とも呼ばれる。. The good news is that this is mostly an issue with 5.56/.223 AR-15 uppers, not with 300 Blackout uppers. Likewise, many people like to buy aftermarket bolt-carrier groups from companies like Bravo Company, Radian Weapons, or Brownell’s. Brand Wilson Combat Category Tactical Pistols Caliber 300 Blackout Model Protector Stock Finish Black Action Semi-Auto. Unless you have a specific reason to go with a proprietary system, I suggest you stick with the tried and true options of M-Lok, Keymod, and Picatinny. . This doesn’t always work as well in practice as it does on paper, though. The pistol grip (if you live in a free state where these aren’t banned), stock, and magazine well (the space where the magazine locks into the gun). If you attach the upper to a lower with a pistol stabilizing brace, you don’t need to register it as an NFA item. I like a 7 or 8-inch barrel on 300 Blackout rifles, since that offers the most compact, ergonomic package. Gorilla Ammunition .300 AAC BlackOut 110gr Nosler Varmageddon – 20 Round Box. 7mm Remington Mag once fired Brass. 300 AAC Blackout, SAAMI short name 300 BLK, also known as 7.62×35mm is a rifle cartridge developed in the United States for use in the M4 carbine. Sort By: Page of 1 .300 Blackout Rifle Brass ... Out of Stock 5.56 NATO Rifle Brass - Dented Neck Mixed NATO Headstamps 1000+ Casings. Its purpose is to achieve ballistics similar to the 7.62 The 300 Blackout, officially known as the 300 AAC Blackout or 300 BLK, is a cartridge designed to be fired through AR-15 rifles with shorter-than-average barrels. The ultimate goal was to create ballistics that would mirror the 7.62x39mm Soviet cartridge used in AR-15’s. Cost Range. 300 Blackout w/ 150 gr. Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Best Selling . .300 AAC Blackout.300 AAC Blackout Ammunition. It also comes with a SilencerCo ASR flash hider or a Dead Air flash hider/muzzle brake, depending on what kind of suppressor you may want to use. Vg6 Precision Gamma 300blk Muzzle Brake 300 Blackout. You see, most handguards have holes cut in them that allow you to attach various accessories like lights, lasers, sights, scopes, and so forth. 標準の STANAGマガジンに5.56mmNATO弾と同じ装弾数を確保した上で 7.62×39 mm 弾や 7.92×33 mm Kurz 弾に近い威力を実現する高速弾と、サプレッサー使用時 … For example, here’s what a 16-inch barrel upper looks like next to an 11.5-inch upper with a suppressor: Now, one downside to using a short barrel on most AR-15s is that your face is going to be closer to the muzzle. Summary: Get a 300 Blackout upper with a barrel that’s 7 to 12-inches long, and make sure it has a twist rate of 1:5 or 1:7. For example, you can fire 5.56 bullets out of a barrel designed to fire .223, but it’s not generally recommended. The outside of the barrel is coated in a manganese-phosphate finish, which is similar to nitriding and wards off pitting, rust, and scratching. Saved Searches. Since the .300 Blackout was intended to function in much shorter barrels, it uses powders that … Intentionally designed to not deviate from the Noveske family of product, this new generation of rifle is our most modular, and functional combination to date. 300 Blackout is optimized for suppressed fire with heavy bullet subsonic loads but can also be used with supersonic ammunition when extra range is needed. Feb 26, 2020 #2 Should I have posted this is a different section on the forum? 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 that’s regulated or tracked by the government. They’re significantly more maneuverable in confined spaces, like inside a building, vehicle, or dense woods. The end result is that you can fire much more powerful bullets than 5.56 through a smaller, more compact rifle. .300 AAC Blackout, SAAMI short name 300 BLK, also known as 7.62×35mm is a rifle cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. Despite being about the same size as 5.56 ammo, the 300 Blackout is significantly more powerful when fired through short-barreled rifles. Daniel Defense 02-088-22070-067 DDM4 PDW CO Compliant 300 Blackout 7 in No Magazine Black Hard Coat Polymer Grip Max Defense CQB Gen7 Hinterland #: 89499 MFG #: 02-088-22070-067 300 BlackOut FMJ 150 Grain Supersonic-50 Round Box- Freedom Munitions. In Stock Brand: Barnaul; Item Number: BRN 300BLK FMJ145; Type: Target; Quantity: 20 Rounds; Sellier And Bellot 300 AAC Blackout 147 gr Full Metal Jacket 20/Box $39.99 ($2.00 / round) In Stock Brand: Sellier And Bellot; Item Number: SB300BLKB; Type: Target; Quantity: 20 Rounds; Remington 300 AAC Blackout 125 gr MatchKing OTM Premier Match 20/Box $39.99 ($2.00 / round) Notify Me When … federal government signed into law in 1934. What’s the Best 300 Blackout Barrel Length? The .300 Blackout or .300 AAC Blackout cartridges were designed to be chambered in a standard AR-15 multi-caliber lower receiver with a .300 Blackout barrel. 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. Find .300 AAC ammunition in stock and in bulk. Finally, it’s also legal to buy a short-barreled 300 Blackout upper and store it while deciding whether you want to buy a lower with a normal stock or one with a brace. Luckily, choosing a good upper is a simple process. Browse and buy .300 AAC Blackout ammo online easily with Ammohead. Sometimes you can get away with firing different bullets out of the same barrel, but this can cause excess wear and reduce the accuracy of your shots. The AR-15 is composed of two main sections held together with two pins: You can think of these as two halves of the AR-15. One advantage it has over the Model 1, though, is that it also comes in a Keymod version, if that’s important to you. Go to previous slide - Best Selling. Subsonic bullets move below the speed of sound, which allows you to make a gun nearly “Hollywood” quiet when paired with a suppressor. Last edited: Feb 27, 2020. markT. The good news is that if you want to have a short-barreled rifle, there’s a comically simple workaround: You see, the laws regarding short-barreled rifles only apply to rifles which have a traditional stock, which looks like this . 300 Blackout was designed to efficiently burn up its propellant and release its pressure from short barrels, which equals a smaller fireball, less muzzle blast, and less unburnt powder hitting you in the face. I purchased one of the 300 Blk heavy-barreled actions from Brownells and dropped it into a Bell and Carlson M40 stock and then topped it off with a MDT 20MOA scope base, low Warne rings and a Nikon Prostaff P3 2-7x32 scope. Now Seeking.300 AAC Blackout Ammo . Here’s another comparison of a rifle versus a “pistol,” just to hammer the point home: A rifle on the left, a pistol on the right. COVID-19 is resulting in increased processing times (10-14 business days). -Supersonic Ammo (250 Rounds) Re-Manufactured Ammunition $ 300.00 $ 250.00 Read more Sale! You won’t run into those problems with the 300 Blackout cartridge, though. The pistol is a Bolt Action shooter chambered for 300 BLK and features a polymer stock and a threaded muzzle. A bit too loud ; Best Subsonic 300 AAC Blackout Ammo. It’s reliable, simple, lightweight, and—perhaps most importantly—infinitely customizable. Given some of the best .300 Blackout rifle contenders, it can easily be seen as a perfect short and moderate range rifle for multiple uses among a sea of monotonous calibers and rifles. Price per One (1) Bag of 100 cartridges. Out Of Stock. Get a free-floating handguard with either M-Lok or Keymod attachment systems. Our Price: $128.00 . The .300 AAC Blackout (designated as the 300 BLK by the SAAMI and 300 AAC Blackout by the C.I.P. Finally, it’s also legal to buy a short-barreled 300 Blackout upper and store it while deciding whether you want to buy a lower with a normal stock or one with a brace. Have any input on these or recommendations for other uppers? 300 Blackout Once Fired Brass – Polished $ 24.00 – $ 85.00 Bulk Processed 300 Blackout Federal Brass- 10,000 Pieces $ 1,350.00 Product categories Brass and Bullet Packs (1) … The 300 Blackout (300 BLK) was designed by Remington/AAC to create a reliable, compact .30 caliber round for the AR platform that uses a standard bolt and magazine. Advanced Armament Corporation (AAC) and Remington had a difficult job. more are on the way! 300 Blackout Uppers Drop in ready 300 blackout complete upper receivers available today. The 5.56 NATO round was developed in the 1960s since very light, and fast bullets were all the rage back then. So, if you want to turn your AR-15 into a short-barreled rifle or AR-15 pistol, you want to use a 300 Blackout upper. 16″- 300 Blackout 4150 chromoly vanadium or 416 R stainless barrel depending on customer choice and availability Steel gas block Stainless steel gas tube Steel Flash hider (design will depend on caliber choice) pictured is 5.56 .300 Blackout ammo or .300 AAC ammo for sale at The Armory! Out of stock. Here’s what the charging handle looks like: And here’s what the bolt-carrier group looks like: For example, I’m a huge fan of Radian Weapons’ Raptor charging handles (shown above), and I like to install them on my AR-15s whenever I can. This neat little feature stems from how the AR-15 rifle is constructed. You could look at this like the Mercedes of 300 Blackout uppers. . Thank you. 300 Blackout is also a round commonly used for hunting as well. Once considered an exotic round, 300 Blackout has become a household caliber. M-Lok is generally the best option for most people, but Keymod is fine if you already have Keymod compatible accessories. 300blk was originally intended to be a replacement of American special operations units’ H&K Mp5 SSD. A short-barreled rifle with a traditional stock. The lower, though, is more or less cartridge agnostic. By the end, you’ll know what an AR-15 upper receiver is, which 300 Blackout upper receiver you should buy, and how to install it. Check it out on Noveske’s site (make sure you select the 300 Blackout version with the M-Lok handguard): Noveske 10.5-inch Gen III 300 Blackout Upper ($1,335). 300 Win WSM brass. Shop here for the best quality you won’t find anywhere else! Short-barreled rifles are rifles that have a barrel that’s less than 16 inches long, and they have a number of … You only need to buy one AR-15 lower, but you can fire many different cartridges through it if you buy multiple uppers. .300 AAC Blackout （300 AAC ブラックアウト、SAAMI [1] 表記300 BLK、CIP [2] 表記300 AAC Blackout）は、 Advanced Armament Corporation （AAC）によって開発された中間弾薬。 7.62×35mmとも呼ばれる。標準のSTANAGマガジンに5.56mmNATO弾と同じ装弾数を確保した上で 7.62×39 mm弾や7.92×33 mm Kurz弾に近い威力を実現する高速弾と、サプレッサー使用時に高い静音性を実現する亜音速弾の二種をコンセプトとして開発された。 300 BLKの弾薬は7.62×40 mm Wilson tacticalに対応したチャンバーを装備した銃では使用できない。 [3], 5.56×45mm NATOは軍事の世界で広く受け入れられてきたが、一部の特殊部隊が遭遇する任務の性質上、高エネルギーかつ高弾速の弾薬よりも静音性に優れる亜音速弾薬が必要とされ、9mm弾とサプレッサー付きの銃器(多くはSMG)を装備する場合がある[4]。, この需要を満たすために、AACはRemington Defenseと協力して300 AACブラックアウトを開発した。この新しい銃弾は、大口径弾薬に劣るM4の特性を解決することを目的としていた。コルト・ファイヤアームズや他の武器メーカーも同様に以前からさまざまな新弾薬をARライフルやカービン銃向けに開発・製造していたが、様々な問題が発生した。特に7.62×39mmを使用するAR-15クローンなどは、特別に改造されたAK-47マガジンを使用しないと、マガジン内で弾丸が傾斜するため給弾不良が発生した。[要出典]また、弾薬の直径が5.56×45mm NATOより大きいため7.62×39mm専用に改造されたボルトを装備する必要もあった。6.8 SPCや6.5 Grendelなどの弾薬でも同様にボルト交換が必要だったが、標準のSTANAGマガジンを共用可能だった(ただし薬莢のサイズから、30発用マガジンでも25〜28発しか装填できない)[5]。, .300 Whisperシリーズなどのワイルドキャット弾はこれらの問題を解決したものの、単発拳銃で広く使われる物で、業界標準の銃弾寸法が欠如しており超音速と亜音速の規格双方で、ARタイプの銃への負荷が理想的ではなかった。また、これらの弾薬の多くは、M4カービンのチャンバーの圧力要件に適合しない粉末装薬を使用しており、STANAGマガジンへの装弾ができないように銃弾の全長が長くされていた。さらに、亜音速の弾薬をサプレッサーと組み合わせて運用すると、ベトナムでのM16の最初期のモデルで見られたものと同様に、ボルトのストロークが短くなり過度の汚れが顕著に発生した[6]。, 開発時にM4 / M16を主に使用する銃として念頭に置いたことで、設計者は、弾道要件を満たすだけでなく、銃自体への改造を最小限に抑え、バレルの交換だけで弾薬を使用できるように設計した[7]。, AACの研究開発ディレクターであるRobert Silversは、次のように述べている。「私たちは2009年に開発を始め、ほとんどの開発作業は2010年に行われました。ある軍の顧客は、通常のボルトやマガジンを使用しつつ、標準マガジンの装弾数30発のまま.30口径弾をM4プラットフォームから射撃可能にする方法を求めており、彼らは要求スペックに適合する弾薬の情報を望んでいました。RemingtonはSAAMIの会社であるため、.300-.221や.300 Whisperを使用することはできませんでした。そこで私たちは、.300-221からワイルドキャットの概念を取り去り、.300-221に対する最終仕様を決定し、SAAMIに提出しなければなりませんでした。そして私たちは策定した最終仕様の弾薬を.300 AACブラックアウト（.300 BLK）と呼ぶ事にしました。」[8], その後300 AAC Blackoutは、2011年1月17日にSAAMIによって規格として承認された。, 2011年10月23日、USAMU所属のSSGダニエルホーナーは300 AAC Blackoutを使用し第四回のUSPSA マルチガンナショナルチャンピオンシップで優勝した[9]。, 現在軍による大規模な採用はされていないが、特定の特殊作戦部隊が使用している。[要出典], 2015年7月、オランダ国防総省機関は、オランダ海上特殊作戦部隊（NL-MARSOF）向けに195丁の300 BLK対応チャンバーを装備したカービンへの入札を発表した。その目的は亜音速弾および無鉛フランジブル弾を購入することであり、.300 AACブラックアウトが正式に軍事採用された初の事例であった[10]。2016年12月、NL-MARSOFは、耐衝撃バイザーヘルメット用に開発された新型折りたたみ式ストックを装着した195丁のSIG MCXカービンを配備し、軍用で制式採用した初のユーザーとなった[11][12]。, 2017年7月14日、英国国防総省は5年間（オプションで5年間）での契約を締結し、.300ブラックアウトの超音速および亜音速弾の供給を開始した。すでに弾薬が使用されていたということも注目された[13]。, 2017年3月現在米国特殊作戦司令部（SOCOM）は、5.56から.300 AACまで対応するコンバージョンキットの提案を防衛業界に要求しており、より広い特殊作戦群へ向けて利用可能にしたいと関心を強調している。現在、.300 AACは、主にJSOC内、特定の特殊作戦部隊内で限定的に採用されている。, 125グレイン超音速カートリッジによる最大推定有効射程は460メートル(503ヤード)。 220グレイン亜音速カートリッジの有効射程は200メートル(219ヤード)[要出典]。, 300 AACブラックアウトは、 AR-15で7.62×39 mmと同様のエネルギーを達成しながら、標準のARマガジンを最大の装弾数で使用できるように設計されている。7.62×39 mm弾のテーパーはARマガジンにおける供給の信頼性を落とすと共に、ボルトに摩耗を引き起こした。14.5インチ (370 mm)M4 Carbineの14.5インチ(370mm)バレルから放たれたM855 5.56×45弾の有効射程は500メートル。弾丸はその距離でかなりの弾道降下と偏流をし、運動エネルギーを失う。それに対して16インチ (410 mm)バレルから放たれた125grain (8.1 g)300 BLKラウンドは、より初速が低く、より大きな弾丸の落下と偏流が発生する。しかし、M855が500メートルで持っているエネルギー量と同じエネルギーを700メートルの時点で.300ACCブラックアウトは保持している。命中確率の観点からは、.300ACCブラックアウトは460メートルの有効範囲を持っている。9インチ (230 mm)バレルから放たれた125 gr BLKラウンドはM4からM855と同じ銃口エネルギー、そして440メートルで5パーセント以上のエネルギーを持っている。7.62×39mmの銃弾と比較して、荷重を変えた300 BLKの砲弾は、同じ長さの砲身から弾道係数とエネルギーが向上している。Barnes TAC 110グレインのような300 BLKラウンドは、「バリアブラインド」性能を持ち、数インチの硬いターゲットを貫通することができる。.300 BLKを使用すると、ユーザーは1丁の銃で、亜音速、超音速、V-MAX弾、またはバリアブラインド弾のいずれかを弾倉を交換するだけで切り替えることができる。接近戦用にH&K MP5を交換することができ、マガジンを更新するだけで、M4カービンを凌駕して戦いをより長距離化することができる。[要出典].30口径の銃弾は、5.56×45mmの弾頭弾頭面積が89.1パーセント増加しているため、柔らかいターゲットに、より大きな創傷と永久空洞を残す。また、より深く貫通し、そして最初はより速く揺れる。300 BLKラウンドは4.5インチ (110 mm)の短いバレルから有効である。9×19mm MP5、5.7x28mmの FNのP90、4.6×30mm MP7のようなサブマシンガンと同等の軽さ、コンパクトさ、静粛性を持ちながら、より長いレンジでより高いエネルギーと精度を持つことができる[14][15]。, 5.56 NATOよりもストッピングパワーを高めた6.8×43 mm特殊用途弾と比較して、300ブラックアウトはさまざまな機能を備えている。300 BLKは、7.62×39 mmと同等以上のエネルギーを持ち、サプレッサーとの併用を前提に、特定の短距離にフォーカスして設計されている。初期の6.8 SPCは、5.56×45 mmよりも全範囲でより多くのエネルギーを持つように設計された。それは飛距離で性能を維持する高速の比較的小さな発射体を持っている。200ヤード (183 m)、300 BLKが2インチ (51 mm)滴それが30インチ (760 mm)落とす間、 6.8 SPCより低い500ヤード (457 m)より低い115grain (7.5 g)6.8ラウンドのマズルエネルギーはTemplate:Convert/ftlbそのより速い速度のため、125grain (8.1 g)300 BLKラウンドのマズルエネルギーはTemplate:Convert/ftlb両方の弾丸は、対応弾薬を換装されたAR-15で使用されるために作られた。6.8 SPCは時代遅れの.30 Remington弾を中心に設計されているため、換装がより困難である。別のボルトが必要になり、標準マガジン容量が減少する。300 BLKは換装を容易にする目的で作られたので標準的なボルトでも動作し、マガジンを通常の装弾数で使うことができ、必要なパーツの交換はバレルのみである[16]。, 300 BLKの非常に有利な点（一般的な.223 / 5.56口径との類似性）も、2つの弾薬が混在している場合は問題になる可能性がある。2つの弾薬はチャンバーの寸法がほぼ同一なため、SAAMIは.223(5.56×45)チャンバーで300 BLK弾を使用してしまう組み合わせを危険と見なしている[3]。300 BLKの弾頭は.223口径(5.56×45)よりも大きいため、誤って発射した場合弾頭とガスの行き場がなくなり過度の圧力がバレルと銃内部に発生しライフル自体が爆発し負傷や死に至る可能性がある。両弾薬は非常に混同しやすいため、両方の弾薬に対応した銃器の所有者は、銃とマガジンを明確にマーキングし、マガジンを装填する際は毎回目視で確認することによって、銃とそれぞれの弾薬を慎重に分けて管理することを勧めている[17]。300 BLK弾が実際に.223バレルに収まるかどうかは、弾丸の長さと形状、弾丸の圧入の深さ、ネックの圧着、および装薬の量によって異なる。理想的には、銃弾はより長い弾頭を使用し、薬莢に既定量の装薬を充填し、発射体を所定の位置にクリンプ加工する。, 300 AACブラックアウトは、SAAMIによって標準化された.300-221である。Hornadyは、300 AAC Blackoutを使用するライフルであれば300 AAC Blackoutスペック内で作られる.300 Whisper弾薬を撃つことができると主張している。これら2つの銃弾のリロードダイは、多くの場合同じである[8]。, American National Standard Voluntary Industry Performance Standards for Pressure and Velocity of Centerfire Rifle Ammunition for the Use of Commercial Manufacturers, Technical Data Sheet - Unsafe Firearm Ammunition Combinations, https://books.google.com/books?id=OoBq0qlNwcwC&pg=PA114, USAMU's Horner takes the gold with 300BLK, “Dutch special forces to buy carbines chambered in 300 BLK”, http://www.janes.com/article/52727/dutch-special-forces-to-buy-carbines-chambered-in-300-blk, SIG MCX rifles delivered to Dutch special forces, Dutch MARSOF officially purchase .300 BLK SIG MCX Rifles, Prior information notice for contracts in the field of defence and security supplies, https://books.google.com/books?id=bjhy8uv196IC&pg=PA55, https://ja.wikipedia.org/w/index.php?title=.300_AAC_Blackout&oldid=79278043, 1960年代後半のEglin空軍基地のUSAF Armament Labによる先駆的な研究では、172グレインの弾頭を発射する7.62×28mmの弾を製造した。発射体を1,050 ft/s (320 m/s)にさせることはできたが、さまざまな信頼性の問題を抱えていた, さらに最近では、.300-221、300 Fireball、およびJD Jones独自のバージョンの.300 Whisperなどの人気の高い. Tunable length of pull and comb height where it won ’ t produce a 300 upper! S barrels, the Noveske Gen lll or 7 inches of barrel, which on! Said, we give you the Daniel Defense 300 Blackout pistol, you shoot! At only 2.2 pounds without the bolt carrier group and the best option for most people for price... Nfa firearms 9-inch MCMR-8 upper ( $ 640 to $ 889 ) ammunition engine... Blackout barrel length of a barrel designed to fire.223, but Keymod is fine you! $ 33.95 sale in stock ; out of 5 $ 24.99 Join Waitlist t find else! A 10.5-inch barrel and a threaded muzzle attachment systems Bag of 100 cartridges on these or for. ; t find anywhere else ’ re shooting through them stock, ’... Round Box all once-fired.300 Blackout ammo for sale at Omaha Outdoors let me know in the comments if have! With AR-15 lowers, so it ’ s not the case with the AR-15 the... Importantly—Infinitely customizable - best Selling ; Cons need to worry about NFA laws it suppressed, it ll. 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