Reply HELP for help and STOP to cancel. What to look for in a Quality .300 Blackout Upper, Aero Precision M4E1 Assembled Upper Receiver, A Ballistic Comparison of 5.56x45mm vs. .300 AAC Blackout, The American Firearms Guide to Shotgunning. Select options Quick View. $509.00 $369.00. Below is my list of the .300 Blackout upper receiver recommendations. Type your new password and hit button below to confirm it. To convert your standard AR into a .300 Blackout rifle, it's as simple as swapping out the upper . Shop for a 300 Blackout Upper 10 Products Sort by: A - Z Sale $ 220.99 - $ 300.98. AR15 300 BLK upper receivers are a great way to change to a larger caliber without the need for a ton of new parts. PSA is also, generally, one of the most budget-friendly options. The three best 300 Blackout uppers are the Radian Weapons Model 1, Noveske Gen lll Shorty, and the BCM MCMR-8. Pretty old article, all of the mentions of keymod give it away, as the industry has moved to the magpul standard m-lok. The 5.56 requires a 20-inch barrel to reach peak ballistic performance. Founder & Licensed Concealed Carry Holder. Another proven company for complete uppers. After I was done fiddling with lower pairing and my scale (and waiting far too long for some .300 BLK ammo to arrive), I took it out to the range along with a few hundred rounds of Armscor 147 GR FMJ. With this guide in hand and a little bit of thinking, youll be well on your way to an excellent .300 Blackout pistol or rifle. This makes it possible to convert your 5.56 AR-15 into a .300 BLK AR-15 with nothing more than a swap of the upper receiver. It is also much more maneuverable in tight conditions. I love Ballistic Advantage 5.56 barrels (full review) for the right mix of performance and affordability. But, inside of 200 yards, youll be hitting well above the weight of a 5.56mm. The length also gave me enough rail real estate to put on lights. There is also a good selection of the lightest AR-15 handguard configurations available. It carries a silencer central can and my property is super densely forested very few clear long shots so this is absolutely perfect for me. Much more ergonomic for target shooting and hunting - anything from sitting or prone positions. Get discounts from top brands and our latest reviews! Please note: Do you want to continue without logging in? The rail covers are a nice, quality touch. 410 at Aero Precision. Holiday Inn Munich - City Centre: For Blackout Drunks Only - See 3,068 traveler reviews, 973 candid photos, and great deals for Holiday Inn Munich - City Centre at Tripadvisor. Get Our Top Shooting Drills and Zeroing Targets ($47 value - but FREE for a limited time). guns & The round simply doesnt perform at range they way a 5.56/223 round. Consent is not a condition of purchase. .300 BLACKOUT; 7.62x39; BARRELED UPPER (NO BCG/CH) 5.56 NATO.300 BLACKOUT; 7.62x39; SUPPRESSORS. A 10 and 1/2 in barrel is okay. Uppers Bushmaster designs and manufactures premium upper receivers for the AR rifle / pistol platforms. Unfortunately your form was not successfully submitted. Out of stock. By subscribing to Bear Creek Arsenal (BCA) text messaging on 87462, you agree to receive recurring autodialed marketing text msgs (e.g. purchase helps support my work in bringing you more awesome gun and gear articles. For the best experience on our site, be sure to turn on Javascript in your browser. One such round is the .300 Blackout. FollowRadical Firearms on Twitter . Learn More. It also requires 9mm-specific components and you still end up with a sub-par AR full of compromise (or more of a PCC). American Firearms was established by firearm fans for firearm fans as a modern-day take on all things that go BOOM. Your Price: $450.49. Is this doable without special gunsmithing? My first ar 15 was on of their rf15. I saw the 300BLK fire from the 5.56 chamber rife, What would happen if you fire a 5.56 from a 300BLK rife. No votes yet. I had never heard of the company, but am always up for trying something new, especially when it comes from a smaller manufacturer. The 300 blackout round is highly reliable and easy to suppress. Open. Offering 5.56 NATO and 300 Blackout options, the Radical uppers offer a free-floating m-lock hybrid rail with a M4 military standard upper receiver forged with 7075 T6. We also love the lightweight handguard, which helps prevent it from getting overly front-heavy when mounted with a suppressor. ALWAYS ARMED Jester 10.5" 5.56 NATO JESTER FLASH CAN PISTOL KIT - BLACK. $364.99. Check out our Best .300 BLK Scopes & Optics. You will not have access to saved addresses or payment. LAR-15M .300 AAC Uppers. We already have an account registered for email address Hand-Picked Daily GUN DEALS, and Exclusive Coupons Codes >>>, projectiles weights ranging from 110 grains to 220 grains, https://uploads.tapatalk-cdn.com/20160501/d175a60f384060cfabc4c555b349fd4f.jpg. Select what level shooter you are! The rifle performance is amazing. At a mere 200 yards with a 100 zero, the 300 Blackout drops nearly 5.5 inches more than the 5.56, at 300 yards it drops a whopping 19-inches more. Get proficient on YOUR time. Thanks! Another cool trick the Pro2A upper pulls off? UPPERS, AR-15, 5.56. My end use is a competition rifle pushing a 175 gn Sierra Matchking at 1900 fps or a 155 at 2100 fps with no suppressor. http://www.pewpewtactical.com/go/aero/aero-precision-300-blk-upper/. A2 receiver and stock. You'll now receive newsletters of our best articles on techniques, My editors pick recommendation for a do-all .300 BLK upper. 16" 556 Upper with 15" MLOK Hand Guard (0) $295.99 On sale: $275.95 Sale Out of Stock. Also, youll want to consider what muzzle devices you want to try out. 10.5 GEN 3 SHORTY UPPER $ - $ Select options. SAVE NOW! This is a well-documented issue with .300 BLK and 5.56. The M4E1 in .300 BLK comes available in 8-, 10-, and 16-inch barreled options. Personalize your experience. .300 Blackout Complete Uppers .300 Blackout Barrels AR 9MM 9MM Rifle Kits 9MM Pistol Kits 9MM Complete Uppers 9MM 80% Lowers 9MM Uppers 9MM Barrels 9MM Parts Handguns 1911 G19 Accessories & Optics Jigs My account Cart. To keep gas out of your face, you may want to choose one of the new flow-through, 3d printed suppressors from OSS/HuxWrx. Short little pistols? Type your email address and well send From 1930 to 1933, it was the regional subdivision of the Nazi Party in that area. BCM Standard 20 Government Profile Upper Receiver Group $439.00 Out of Stock. BCM 11.5 (ELW-F) Upper Receiver Group (standard) MCMR 10 MLOK $708.00 Out of Stock. PRO2A 9" 300 Blackout 1/7 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can. Upper Builds > .300 Blackout Compatible. Your 300 BLACKOUT AR 15 Upper Receiver will arrive turn-key and ready to shoot out of the box. Another affordable option if you have your own BCG or CH. A 10-inch barrel on an AR pistol or SBR rifle is perfect for the ballistics of 300 Blackout. Add to cart. No failures of any kind. Rainier Arms specializes in high-end AR15 parts, AR15 accessories, AR15 grips, AR15 stocks, AR15 uppers, AR15 lowers, AR15 barrels and much more. I had initial problems with using an upgraded WMD NiB BCG, but once I switched back to a mil-spec BCG it ran everything like a champ. We'll only use the information provided according to our privacy policy. With that said, weve had 50 years or so to optimize the system, and that is exactly what has happened with the .300 BLK round. The 10.3" BA upper is the basis of my truck gun build. Davidson Defense "Golden Eagle" AR-15 Upper Receiver 16" .300 Blackout 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled) $504.99 $219.99 Sale In Stock. 2. Prices range, but each option is affordable and thoroughly modern. Check. Sig is attaching these to the new Army rifles running 6.5. Copyright 2023 American Firearms LLC. Working with them is more like shopping at your LGS than Cabelas, and I think supporting small business is something we can all get behind. Calibre : .300 BLK - Canon (cm) : 20.3 - Catgorie : B - Coloris : Vert - Coups : 10 - Longueur (cm) : 37.44 - Poids (g) : 1120 . Since we think a high-quality .300 Blackout does so well suppressed, we think a pistol upper with a threaded barrel is the perfect way to get the best out of the round. Plus, .300 Blackout-chambered AR-15 still uses the same magazines without a loss of capacity, i.e., a 30-round 5.56 NATO AR mag will still hold 30 rounds of Blackout. I haven't seen any, sorry. BCM Standard 14.5" M4 (SOCOM) Upper Receiver Group W/QRF 7 Quad Rail $610.00 Our collection of 300 Blackout ACC uppers include Aero Precision uppers, Radical Firearms uppers, Ghost uppers, and tons of other AR upper receivers from the brands you know and love. Conclusion. Check out more calibers and everything AR in the Ultimate AR-15 Resource. These durable uppers are the perfect item to build your AR firearm around. If you have ever fired an AR in 5.56mm indoors, whether a range or in some other circumstance, you know that it is, in fact, a seriously bad time for you and anyone north of the barrel in terms of sound, flash, and concussion. Check. The crime scene expert testified that the evidence suggests two shooters carried out the murders of Maggie and Paul Murdaugh in June 2021. All Rights Reserved. Of course, the 9mm approach is only a stopgap measure that lacks stopping power at range. Indoors and out of short barrels, the 5.56mm makes a ton of noise and even more flash, so its really not engineered for CQB or urban combat at all. ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER WITH STAINLESS STEEL BARREL - BLEMISHED $279.00 ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - RIDGEWAY BLUE Now: $219.00 Was: $299.00 ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - SMITH & WESSON RED Now: $219.00 Was: $299.00 Now: $219.00 Was: $299.00 16" 9mm Upper with 12" MLOK Slim Handguard (0) $310.99 On sale: $279.95 Sale Out of Stock. Bushmaster has you covered on your next AR build or upgrading project chambered in 5.56mm, .300 Blackout, or 7.62mm. So if compactness is the name of the gamemake sure you have a suppressor to add some backpressure and also enable you to run a longer handguard. DS-15 Complete Upper 16" MOE .300 Blackout Non-Threaded Black FDE $ 599.95. Get your .300 BLK barrel and build your AR pistol today. In standard 5.56mm, ARs will hit peak burn out of about a 16 barrel, with 14.5 as short as you can go with a 5.56 barrel and still get performant terminal ballistics, complete powder burn, and a lack of a fireball. There is a flash can tucked neatly inside the handguard. Palmetto State Armory 10.5" Complete Upper Receiver Kit. For more information, go to www.p65warnings.ca.gov. the next step on your AR is to upgrade to a 300 Blackout upper, Ghost Uppers from ghost firearms. The .300 Blackout cartridge is available . I slept 11 hours the first night. First off, its a very versatile load with projectiles weights ranging from 110 grains to 220 grains. The handguard is simple, spartan, and helps keep the build light. 300 seems to be heating up again and with the eform form 4, suppressors (and calibers that are easily suppressed) are also popular. Sort By: Ghost Firearms Elite 16" Upper .300 Blackout - Black $319.00 $249.00 Choose Options Ghost Vital 7.5" Upper .300 Blackout $299.00 $239.00 Choose Options Reviewed September 27, 2015 via mobile . Weve built dozens of ARs and well cover all the best AR-15 upgrades such as handguards, triggers, BCGs, gas blocks, and more. Javascript is disabled on your browser. First of all, a little legalese will be necessary here. Cute, friendly and amazing blackout curtains. BC-15 | .300 Blackout Upper | 10.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 9.5" MLOK 43 Reviews $249.99 Add to Cart BC-15 | .300 Blackout | 7.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System 6 Reviews $68.99 Add to Cart Load next We Recommend These Products Just For You! Rifle? Sign up for texts to enjoy a 10% off coupon for use on a future order while also getting exclusive updates and more! The ammo price continues to drop, and upper receiver options are everywhere. .300 BLK Uppers; 8 Items . you a link to reset your password. Pair your 300 Blackout upper with an upgraded Blackout barrel to create an even more unique firearm. For the best experience on our site, be sure to turn on Javascript in your browser. Please tell me the make and name of the two AR-15 300 blackouts shown in the picture with the description "Suppressed .300 Blackout" These are just my favorites and represent a very small section of the market. To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser. Select options. Pair of .300 BLK Uppers Summary of Our Top Picks Most Affordable PSA .300 Blackout Uppers PSA does it again with sub-$200 uppers that work. $329.00 $199.00. Please update your specifications to see more results. Shop Aero Precision. That means that, no, you wont be punching out targets at a mile. Because it moves slower, its also a lot quieter: this makes .300 blackout a great choice for a good flash suppressor, a silencer, or a muzzle brake, which requires a threaded barrel. We also have AR-15 uppers in pistol calibers like 9mm, 40 S&W and 45 ACP. No matter what kind of .300 BLK build you want to create, you can find the upper for it from PSA. 6" 300 aac blackout; 7.5" - 8" 300 aac blackout; 8.5" - 9" 300 aac blackout; 10.5" 300 aac blackout; 16" 300 aac blackout; 9mm. That means that the lower you put it on has to have been registered as a pistol when it was made and that you cannot put a stock or a forward pistol grip on it. This makes for a slower, more suppressor-friendly round. With the already short length here, the best application for this upper would be to add a short suppressor and use subsonic ammunition. Out of stock. Thanks! 300 AAC Blackout Upper Assembly Every 300 BLACKOUT Upper we sell can be configured to your specifications. At barrels this short there is no room for error, so a suppressor paired with a hand stop gives you more stability to work with. 4. The bullet does not fully seat in the chamber, it just seems like it does due to the exact lengths involved. Aero Precision is one of the best companies out there for modern, high-quality AR components. Sign up for our newsletter for exclusive promotions and a coupon for 10% off an order! Then check out our comprehensive selection of .300 Blackout upper AR-15 build kits and elevate your standard rifle today. PSA makes a huge range of items for the AR-15 platform and, for that matter, the AR-10 also. CLICK HERE Texas independence day Sale ended ended 00hrs 00mins 00secs A .300 Blackout pistol, with a suppressor, is still only about as long as an average AR15 without a suppressor, so it ends up a really handy package overall, which is one of the things that we like about the round. Our AR15 300BLK uppers are made with high-grade material for the best performance and reliability. The PSA 8.5 .300 Blackout is a solid upper receiver if you are looking for a compact pistol length option. My gunsmith is just finishing up my 20 inch 300 Whisper barrel. SHERMAN, TX. 13.7 GEN 3 INFIDEL UPPER $ . . 8 barrel option is perfect for a pistol build, Standard flash hider isnt pinned, so you can add a suppressor or muzzle brake, Doesnt come with a bolt carrier group or charging handle. (L to R) 5.56 NATO, .300 BLK, .30 Carbine. Thx! Instead, we want a short-barreled rifle or pistol that, especially when paired with a suppressor or muzzle brake, can lead to a handy and quiet rifle that still makes more impact than a 9mm, and in most cases, more than 5.56mm. The fit and finish are excellent, and the 10.5-inch barrel is about the perfect length for a .300 BLK pistol. Radical Firearms .300 AAC Blackout Upper Assembly. Despite all of the lasers, tech accessories, and modern features, the AR platform is more than half a century old. Take the U.S. Military's 5.56 M855A1Enhanced Performance Round (.371 BC, 2,970 fps MV ) and a somewhat comparable load for the 300 Blackout, Hornady's 125 gr FMJ Frontier (.250 BC, 2,160 fps MV). Please send me the specs (including the name of the suppressors). Msg frequency may vary. The uppers all feature different-length handguards that accommodate the mounted flash suppressor. BCM MK2 Standard 9" 300 BLACKOUT Upper Receiver Group w/ KMR-A8 Handguard. The fit on a variety of lowers was tighter and had less play than pistol uppers that had been paired with their lowers from the factory impressive! Nav Menu 4. Youll need to bring your own BCG and charging handle but for those who know and rely on the Aero brand and want to keep it short, this is a quality upper. The key to making your AR 15 compatible with 300 Blackout ammo is your AR 15 upper, and when making your AR-15 or M4 compatible with 300 BLK ammo, you want the best 300 Blackout upper receiver for your dollar. I became my group's "gun guy" and everyone who had questions came to me. Great investment all around! Rainier Arms on Facebook . The place is quiet . I pick up boxes of 20 at Walmart for 15$ and some change. anything extra and your 300 AAC Blackout Upper Assembly, Radical Firearms 10.5in 300 Blackout Upper Assembly with 10in RPR, M-Lok Thin Rail, Radical Firearms 10.5in 300 Upper Assembly with 9in MHR, M-Lok Hybrid Rail Handguard, TacFire .300 Blackout Complete M-LOK Upper Assembly, TRYBE Defense AR-15 16in Upper M-LOK, .300 Blackout, JARD AR Side Charge No Bolt Upper Receiver Assembly, Tiger Rock AR Pistol Length .300 Blackout Complete Upper Receiver, As Low As (Save Up to 50%), Anderson Manufacturing Complete Upper, .300BLK , Optic Ready - Retail Packaging, Aero Precision M4E1 Enhanced .300 Blackout Quantum Handguard Complete Upper Receiver, TRYBE Defense Complete AR Kit, 10.5in Barrel, 5/8x24, .300 Blackout, Aero Precision M4E1-T 8in .300 AAC Blackout Complete Upper Receiver, Aero Precision M4E1 Enhanced 8in .300 Blackout Quantum Handguard Complete Upper Receiver, As Low As (Save Up to 19%), Aero Precision AR15 8in .300 Blackout Barrel Complete Upper Receiver, JARD AR Side Charge Complete Upper Receiver Assembly, Aero Precision M4E1 Threaded 8in .300 Blackout Complete Upper Receiver, Radical Firearms 10.5 in. I just built a Classic Firearms (Bear Creek Arsenal) .300blk 16" stainless barrel with an Anderson upper. Contact Us; Manufacturing and OEM; Employment ; Corporate Office; Address: 2320 Commerce St As usual, great article. Choose Options. While thats cool when it happens, whats even cooler is when rounds are designed specifically for the AR platform. Nav Menu 8. Add to Cart $249.95 $349.95 AR-15 300 AAC blackout 16" pistol length upper assembly / 15" Mlok Tests by AAC way back in 2012 (and of course, ballistics have improved since then) demonstrated that the .300 BLK could still be effective out to 440 yards when fired from a barrel as short as 9-inches, making it ideal for use in AR pistols. Out of stock. Learn the 3 most popular shooting stances & more. The only down side would be the barrels are 4140 so I would guess they won't hold up to high round counts. Hi, I'm Eric Hung and I got into guns when I was around 25 and started with YouTube videos, scouring forums, and eventually taking a bunch of classes. It had virtually no slop, and in some cases had a tighter fit than factory uppers. During the data transfer we were unable to preserve nicknames, authors, or helpful scores for older reviews. if it doesn't engage the rifling it doesn't fly straight. $249.95 $449.95 Add to Cart AR-15 300BLK 16" STAINLESS BLACK CLAW PREMIUM UPPER ASSEMBLY / MLOK AR-15 300BLK 16" STAINLESS BLACK CLAW PREMIUM UPPER ASSEMBLY / MLOK. And at close range, the 5.56mm, frankly, is an awful round. The .300 BLK has easily been the most successful new caliber in the last 20 years. PRO2A 12.5" 300 Blackout 1/8 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can. The password should contain at least 8 characters with at least one number or special character. This includes magazines, bolt carrier groups, upper and lower receivers, rails, buffers, buffer assemblies, stocks, etc. LAR-9M 9mm Uppers. This list definitely should be updated to include gas piston systems. Learn More. Ive added upgrades and shes never failed me not once. Davidson Defense Premium Left Handed M16 AR-15 Black Nitride Finish Bolt . They are mil-spec, and all feature flat top uppers, forwards assists, and threaded barrels. Anyone offering a left-handed 300 AAC upper? Daniel Defense produces some of the best high-speed platforms to more than capable operators like the U.S. Navy SEALs. Plus no nose bleeds from slapping yourself in the face when your hand slips. Want more? Read on to see how to get your standard 5.56 AR-15 ready to use .300 BLK. We'll cover the best uppers out there for all budgets and build typesfrom pistol to rifle to suppressed. Its short and sweet and perfect for a .300 BLK pistol or SBR. Shoot a large variety of grain weights with exceptionally well performance with subsonic ammo and suppressors. I have recently joined an Anderson lower with a upper receiver that I got from Bear Creek armory for something around $200. .300 Blackout AR-15 upper barrel lengths are available from 7 inches to 16 inches with all standard sizes in between. LAR-47 Complete Upper Halves 7.62x39mm. MCX VIRTUS UPPER ASSEMBLY - 11.5" 5.56 NATO $1,799.99 Add to Cart Restricted in some areas New! AAC 300 Blackout Ammo 125 Grain FMJ 20rd Box w/JAG Head Stamp $11.99 $0.60 Add to Cart AAC 300 Blackout Ammo 220 Grain Sierra MatchKing HPBT w/Cannelure 20rd Box $17.99 $0.90 Add to Cart PSA 7.5" 300AAC Blackout 1/8 Phosphate 9" Lightweight M-Lok MOE EPT SBA3 Pistol Kit - 5165448841 Rating: (66) $799.99 $509.99 Add to Cart Those longer barrels make them more cumbersome when it comes to close-range applications like home defense. Any u guys can recommend or recommend staying away from? to cause cancer, birth defects or other reproductive harm. You can use the 5.56/233mags with the 300blk and the bcg, but that's it, so eaither buy a upper chambered in 300blk or swap barrels. Radical Firearms integrally suppressed uppers are designed for simple rifle enthusiasts. 8.3" .300 Blackout BA Hanson Pistol Length Performance W/7" AR15 ATLAS R-One M-LOK Handguard Complete Upper . As mentioned, this upper comes in two models: the 5.56mm and the .300 Blackout. And now I hope to answer some of yours! Once you go under 8 inches or so, you can run into cycling issues since the .300 BLK is a low-pressure round. All. The 300 BLK (300 AAC Blackout) was developed as an upgrade to the 5.56 NATO, using fast burning powder to eliminate powder flash.300 Blackout will operate either supersonic for long range application, or subsonic and suppressed for close quarters engagements. Just make sure and meet ATF's guidelines for AR-15 pistols. Awesome products by an awesome seller. I soaked up as much information as I could online, at competitions, and from tinkering in my workshop. MSRP: Your Price: $743.49. Get 10% Off - Subscribe to Our Email List, Please check your email for confirmation message. Maybe for you, but not everyone. And its held up great. That straightforward build does, however, help in the weight department with the Pro2A coming in 3 ounces lighter than my other 10.5-inch pistol uppers. SIG SAUER's adding a suppressed upper receiver to their lineup: the SUR300. Home > PRODUCTS > BARRELED UPPER (NO BCG/CH) > .300 BLACKOUT: MHR RPR Like Radical Firearms on Facebook. . Special Price $339.99 $479.99. If youre in the market for a quality upper and are bored with shopping big-boy retailers, check out Pro2A Tactical. Aero Precision M4E1 Assembled Upper Receiver .300 BLK. 16" 556/223 Upper With 15" MLOK Handguard (0) $295.99 On sale: $270.63 Sale Out of Stock. It is built around a 16 inch, 4150 chrome moly barrel that is chambered in 300 Blackout and has a black nitride finish. Go the folded brace route with a BRN-180 upper. Check out our full review of the 16 5.56 version. I was elated!! Rated 4.60 out of 5 $ 219.99 $ 219.99 Select options Quick View. 300 AAC Blackout Upper Assembly, Aero Precision M4E1 .300 CMV Barrel Complete Upper Assembly, Radical Firearms Complete Upper Assembly 16 inch 300 AAC HBAR Contour, A2 Flash Hider, w/BCG and CH, As Low As (Save Up to 10%), Aero Precision M4E1 Threaded 10in .300 Blackout Complete Upper Receiver w/ ATLAS S-ONE Handguard, TacFire 10.5in Unassembled .300 Aac Pistol Build Kit, Aero Precision M4E1 Complete Upper .300 Barrel, CBC Industries AR-15 Complete Upper Receiver Pistol Kit, 300AAC, 10.5in, Aagil Arms Ted Nugent's Signature Series AR-15 Complete .300 Blackout Upper Receiver, Aagil Arms Complete AR-15 .300 Blackout Upper Assembly 16in Barrel Length Carbine w/ 15in M-Lok, Anderson Manufacturing Complete Upper 300 Blackout 10.5in, Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver, Ghost Firearms Upper Receiver, Pistol Lower Parts Kit, .300 Blackout, 10.5in Pistol, Moly Steel Barrel, 1-8 Twist, M-LOK Free Float Hand Guard, Ghost Firearms Upper Receiver, Rifle Lower Parts Kit, .300 Blackout, 16in, Pistol , Moly Barrel, 1-8 Twist, 14in M-LOK Free Float Hand Guard, A2 Flash Hider, Burnt Bro, As Low As (Save Up to 29%), CBC Industries AR-15 Complete Upper Receiver Pistol Kit, 300AAC, 7.5in, Aero Precision M4E1 Threaded 16in .300 Blackout w/ ATLAS S-ONE Handguard Complete Upper Receiver, Radical Firearms AR-15 300 AAC Blackout 10.5in Complete Upper Assembly, Radical Firearms Complete Upper Assembly 8.5 inch 300 AAC HBAR Contour, A2 Flash Hider, w/BCG and CH, Ghost Firearms Vital Upper Receiver, Rifle Lower Parts Kit, .300 Blackout, 16in, Pistol , Light HBAR Barrel, 1-8 Twist, 11in M-LOK Freefloat Handguard, A2 Birdcage Flash Hider, Ghost Firearms Vital Upper Receiver, Pistol Lower Parts Kit, .300 Blackout, 10.5in Pistol, Light HBAR Barrel, 1-8 Twist, 9in M-LOK Freefloat Handguard, Aero Precision M4E1 16in .300 Blackout Barrel Complete Upper Receiver, CBC Industries CHS-2 Patrol AR-15 Complete Upper Receiver Rifle Kit, 300AAC, 16in, CBC Industries AR-15 Complete Upper Receiver Rifle Kit, 300AAC, 16in, TacFire PST Build Kit W/LPK 300 ACC Blackout Build Kit W/LPK 10.5" Barrel Blac SSPK300LPK10, Stag Arms AR-15 Tactical Left Hand Upper Receiver, Stag Arms AR-15 Tactical Right Hand Upper Receiver. G19; 1911.300 Blackout.300 Blackout Complete Uppers . Doing that will let you shoot .300 Blackout indoors without totally ruining your eyes and ears: this makes the DDM4 300s a great entry into this new caliber. BCM MK2 Upper Receiver Groups; 20" Rifle Upper Group; 18" SPR Mk 12 Upper Half; 18" Rifle Upper Group; 16" M4 Carbine Upper Group; 16" Mid Length Upper Group; Don't stop with just the AR-15 upper receiver though. This page was last edited on 20 November 2022, at 17:47 (UTC). Add to Cart. You do not pay 10.5 300 Blackout AR-15 Compact Upper. For pistol uppers, Palmetto State Armory has put together a sweet offering here. News people Radial pistol uppers are good to go for what they are designed to do. BCM. Please try again, or email us directly at. Find a Dealer; Shop AR15; Shop M5/AR308; About Us. Add to Cart. Bolt Carrier Assembly for SIG M400 Upper Receivers $199.99 Add to Cart Restricted in some areas UPPER RECEIVER ASSY, MPX, SEMI, DUST COVER, EJECTOR, BARREL CLAMP, HARDWARE $549.99 Add to Cart Restricted in some areas New! I agree extreme care and good organization are a necessity when dealing with uppers in multiple callibers but a .308 chambering in a .224 ? Its been flawless with all different types of .300 BLK ammo. I chose the 10.3-inch Hanson barrel factory upper to be my trunk gun, where I valued reliability without needing a suppressor to add back pressure. Products [55] Sort by: Submit. In addition, due to different content standards, we want to make sure our valued customers know these reviews had lesser requirements than reviews written today do. 888.706.0633, 10.5" 300 BLACKOUT Ballistic Advantage QPQ DRP Barrel - 10" Rail - A2 Flash Hider - AR 15 Upper, 10.5" 300 BLACKOUT Ballistic Advantage QPQ DRP Barrel - 12" Rail - Slim Cone Flash Can - AR 15 Upper, 16" 300 BLACKOUT Nitride Heavy Barrel - 12" Rail - A2 Flash Hider - AR 15 Upper, 16" 300 BLACKOUT Nitride Heavy Barrel - 15" Rail - A2 Flash Hider - AR 15 Upper, 16" 300 BLACKOUT Parkerized Heavy Barrel - 12" Rail - A2 Flash Hider - AR 15 Upper, 16" 300 BLACKOUT Parkerized Heavy Barrel - 12" Rail - A2 Flash Hider - BCG - CH - AR 15 COMPLETE UPPER, 16" 300 BLACKOUT Parkerized Heavy Barrel - 15" Rail - A2 Flash Hider - AR 15 Upper, 16" 300 BLACKOUT Wilson Combat Stainless Glass Bead Ranger Barrel - 12" Rail - A2 Flash Hider - AR 15 Upper, 16" 300 BLACKOUT Wilson Combat Stainless Glass Bead Ranger Barrel - 15" Rail - A2 Flash Hider - AR 15 Upper, 8" 300 BLACKOUT Ballistic Advantage QPQ DRP Barrel - 10" Rail - Slim Cone Flash Can - AR 15 Upper. I run Remington umc in both 120 and 220. Payment sent. What are your favorite .300 BLK upper receivers?