Aero Precision is one of the best companies out there for modern, high-quality AR components. The AR is often adapted to function in calibers it was never designed for shooting. Check out all the .300 BLK Complete uppers here or just the barrels if youre looking to build your own. 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. BCM BFH 16" Mid Length (Light Weight) Upper Receiver Group w/ MCMR-15 Handguard $780.00 Out of Stock. 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. The only key here with ATF's standards is a collapsible brace that maxes out at 14" from end to trigger face. Want to go a little different? The pistol upper has a 10.5" barrell with a 12.62" free float hand guard. upper and lower at a price cheaper than any previous AR Buildvery satisfied with the quality of each component. AR15Parts.com Market monitoring: Aero precision Upper complet 8'' pour carabine Semi Auto M4 cal .300 Blackout M-Lok Upper Builds > .300 Blackout Compatible. Weve got a dedicated section for the AR-15 here. One such round is the .300 Blackout. We'll only use the information provided according to our privacy policy. 300 Blackout Uppers Drop in ready 300 blackout complete upper receivers available today. Otherwise barrel length doesn't matter, when you start with a "pistol lower" kit. 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. One of our trained professionals will get back to you within the next 24 hours. 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. Unfortunately, the item(s) selected is 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. No BCG or Charging Handle required. Click on the name to head to the product page, read reviews and check prices or skip ahead to the list of uppers. SIG SAUER's adding a suppressed upper receiver to their lineup: the SUR300. Just make sure and meet ATF's guidelines for AR-15 pistols. Review of Hotel Beer. Out of stock. This makes for a slower, more suppressor-friendly round. You do not pay anything extra and your purchase helps support our work. The rifle performance is amazing. Your Price: $450.49. Those longer barrels make them more cumbersome when it comes to close-range applications like home defense. The new AR180 in 300 blk would be another good option. (, We noticed that you have previously logged in with your, Check what do you get by creating an account, Bookmark and compare your favorite firearms, While thats cool when it happens, whats even cooler is when rounds are, First off, its a very versatile load with, I wont dive too deep into the 5.56 vs. .300 Blackout debate because, A 10-inch barrel on an AR pistol or a short-barreled. DB15 300 Blackout Ejection Port Cover Assembly $ 9.99. Out Of Stock. .300 Blackout AR-15 upper barrel lengths are available from 7 inches to 16 inches with all standard sizes in between. Stag Arms may . 10.5 GEN 3 SHORTY UPPER $ - $ Select options. Need a dedicated optic for the .300 BLK drops? Lightweight, compact, maneuverable, this integrally suppressed upper is able to serve in . Buy a 300 BLK upper receiver today, and make sure to check out all of our AR 15 parts to shop for high-quality gear for your other ARs. Available Handguard Lengths on the 300 blackout upper include: 10" - 12" - 15". These uppers arent the fanciest, but they work. BC-15 | .300 Blackout Right Side Charging Upper | 8.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 6.5" MLOK 20 Reviews $234.99 Add to Cart BC-15 | .300 Blackout Left Side Charging Upper | 7.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 6.5" MLOK 11 Reviews $249.99 Add to Cart Items 1 to 10 of 20 total 1 2 I soaked up as much information as I could online, at competitions, and from tinkering in my workshop. The place is quiet . MEDIA; Nav Menu 3. Interested in a one-stamp, integrally-suppressed blackout upper. But I will make sure to put this on the list to get to it sooner rather than later. Select options Quick View. When it comes to a bad-breath-distance engagement, we want a .300 blackout. And its held up great. . . 300 HAM'R leads the way. Sale! 410 at Aero Precision. Please try again, or email us directly at. The Daniel Defense DDM4 300S was designed for operators demanding a short-barrel rifle chambered in the popular 300 Blackout cartridge. Catastrophic failure!!! Read on to see how to get your standard 5.56 AR-15 ready to use .300 BLK. Sig is attaching these to the new Army rifles running 6.5. If so, any recommemdations on the best components? Cant beat it. How we select gear. For the .300 Blackout, shorter is better. The PSA PA-15 300 BLK upper, carrier, and charging handle. I made some half inch thick targets of steel at varying design and man the rifle makes em sing!! We also love their 5.56 uppers check out the, Check out more calibers and everything AR in the. No votes yet. During the data transfer we were unable to preserve nicknames, authors, or helpful scores for older reviews. Prices range, but each option is affordable and thoroughly modern. Rate this item: Submit Rating. I just built a Classic Firearms (Bear Creek Arsenal) .300blk 16" stainless barrel with an Anderson upper. LAR-9M Complete Upper Halves .9mm Luger. Another cool trick the Pro2A upper pulls off? See. 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. Below is my list of the .300 Blackout upper receiver recommendations. The QPQ nitride finish with an additional NP3 coating makes this barrel nearly impervious to surface wear, rust, and corrosion. Please be cautious when considering offers from individuals offering you items. 300 Blackout Ammo is one of our most popular calibers. That is my two cents. 10.5 300 Blackout AR-15 Compact Upper. In stock (Only 6 left!) We also sell a huge array of other 300 Blackout accessories and gear that will increase your range, accuracy, and control, including : 300 Blackout rifle scopes, 300 Blackout muzzle devices, 300 Blackout reloading equipment, and 300 Blackout barrels. ALWAYS ARMED OCTO SEREIS 7.5" 300 BLACKOUT UPPER RECEIVER WITH AXE BRAKE - TITANIUM. - Free Float M . G19; 1911.300 Blackout.300 Blackout Complete Uppers . The rail covers are a nice, quality touch. Very accurate and pretty cheap. Daniel Defense produces some of the best high-speed platforms to more than capable operators like the U.S. Navy SEALs. 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. Personalize your experience. To be fair, we certainly like the 5.56mm: its a capable round thats lightweight, shoots reasonably straight out to about 500 yards, and has been getting the job done since Vietnam. 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. If youre in the market for a quality upper and are bored with shopping big-boy retailers, check out Pro2A Tactical. PSA makes a huge range of items for the AR-15 platform and, for that matter, the AR-10 also. Plus you get all the bells and whistles of a DD upper, including their world-class quad rail handguard. Im one man and couldnt possibly see each and every upper out there. The M-LOK rail is fantastic and provides more than enough room for accessory attachment. Learn the 3 most popular shooting stances & more. 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. Check. Reviewed September 27, 2015 via mobile . SHOP Pro2a Tactical's huge selection of AR-15 complete uppers in a variety of calibers - 223/5.56, 300 Blackout, 7.62x39, 6.8 SPC II, 6.5 Grendel, 6mm ARC, 450 Bushmaster, 50 Beowulf (12.7x42), 458 Socom, 224 Valkyrie. Andro Corp 300 Blackout AR-15 Barreled Upper Receiver - 16", Radical Firearms 8.5" 300 Blackout 1:7 Pistol Length Barreled Upper - 7" RPR Handguard, Spike's Tactical .300 BLK Complete AR-15 Upper with Front Sight Base - 16", Andro Corp 300 Blackout AR-15 Barreled Upper Receiver - 10", Sons Of Liberty Gun Works M4-89 300BLK Barreled AR-15 Upper Receiver - 16", TacFire .300 Blackout AR-15 Upper Receiver Build Kit with Bolt Carrier Group - 7.5", Andro Corp 300 Blackout AR-15 Barreled Upper Receiver - 8", KAK Barreled AR-15 Upper Receiver - 9.8" M-LOK Handguard - 300AAC - 10.5", KAK Complete AR-15 Upper Receiver - 9.8" M-LOK Handguard - 300AAC - 10.5", Radical Firearms 300 Blackout Integrally Suppressed AR-15 Upper Receiver - 16", Sons Of Liberty Gun Works M4-EXO3 300BLK Barreled AR-15 Upper Receiver - 16", Aero Precision M4E1 Threaded Barreled Upper Receiver .300 BLK Pistol - Atlas R-One - 8", Sons Of Liberty Gun Works M4-89 300BLK Barreled Upper Receiver Group - 9", KAK Industries 16" 300 Blackout Complete Upper Receiver - 13" KAK M-LOK Handguard, Cobalt Kinetics Pro Series 300 Blackout Complete AR-15 Upper Receiver - 10.5", Cobalt Kinetics Pro Series .300 BLK Barreled AR-15 Upper Receiver - 7.5", Cobalt Kinetics Pro Series .300 BLK Barreled AR-15 Upper Receiver - 10.5", Andro Corp 300 BLK AR-15 Complete Upper - M-LOK - 16", Andro Corp 300 BLK AR-15 Complete Upper - M-LOK - 10.3", Andro Corp 300 BLK AR-15 Complete Upper - M-LOK - 8", Radical Firearms .300 BLK Heavy Barreled AR-15 Upper - 12" RPR Handguard - 16", Radical Firearms .300 BLK Barreled AR-15 Upper Receiver - 16" - Primary Arms Exclusive, Radical Firearms .300 BLK Heavy Barreled AR-15 Upper - RPR Handguard - 16", Radical Firearms .300 BLK Heavy Barreled AR-15 Upper - MHR Handguard - 16", YOU MAY ALSO BE INTERESTED IN THESE PRODUCTS. 16" 556 Upper with 15" MLOK Hand Guard (0) $295.99 On sale: $275.95 Sale Out of Stock. Every length has a problem its solving, but the 10.3 inch is the go-to and most versatile.. I have recently joined an Anderson lower with a upper receiver that I got from Bear Creek armory for something around $200. 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. Add To Cart. .300 Blackout and .308 are both popular rounds used in AR-10 style rifles. With the already short length here, the best application for this upper would be to add a short suppressor and use subsonic ammunition. The crime scene expert testified that the evidence suggests two shooters carried out the murders of Maggie and Paul Murdaugh in June 2021. 3 models Spikes Tactical 300 Black Out 10in Forged Upper Receiver As Low As (Save 10%) $872.10 Final Sale. Holosun H510C Reflex Sight - FDE. All our side charging and standard charging 300 blackout uppers are compatible with mil-spec AR-15 lowers and come with a limited lifetime warranty. 16" 9mm Upper with 12" MLOK Slim Handguard (0) $310.99 On sale: $279.95 Sale Out of Stock. This list definitely should be updated to include gas piston systems. The M4E1 300 Blackout Upper is available in 8", 10", and 16" barrel configurations. Please send me the specs (including the name of the suppressors). Type your new password and hit button below to confirm it. Primary Weapons Systems sells a complete upper exclusive on Brownells that is competitively priced compared to the others on this list, but you get a far superior action. I love Ballistic Advantage 5.56 barrels (full review) for the right mix of performance and affordability. Fast Shipping Same day shipping when order is placed before 1PM EST. Close. 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. While the .223/5.56 NATO (yellow mag) generally runs 55 to 77-grain bullets, the chunky .300 BLK (black mag) starts at about 100 and goes all the way up to around 220-grains. For the best experience on our site, be sure to turn on Javascript in your browser. Add to cart. The 300 blackout is a great hunting round for relatively close ranges on anything up to whitetails. Get proficient on YOUR time. That open handguard design, as much as it keeps weight down and helps with thermal performance, may come at the cost of heat transfer to your hands, so think about some gloves when shooting this one. The bullet does not fully seat in the chamber, it just seems like it does due to the exact lengths involved. $329.00 $199.00. I would do it again the same way if I did it again. By subscribing to Bear Creek Arsenal (BCA) text messaging on 87462, you agree to receive recurring autodialed marketing text msgs (e.g. Compatible with almost every 5.56/223 AR-15 part, .300 Blackout uppers are becoming a popular choice among AR-15 enthusiasts. Its short and sweet and perfect for a .300 BLK pistol or SBR. 300 seems to be heating up again and with the eform form 4, suppressors (and calibers that are easily suppressed) are also popular. MSRP: $449. If you would like to proceed without signing in, you can checkout as a guest. Add to cart. Sale! Using standard 5.56mm magazines and bolts, the 300S is able to deliver .30 caliber ammunition with greater muzzle energy than comparable 5.56mm rifles. Don't stop with just the AR-15 upper receiver though. It is also much more maneuverable in tight conditions. Shop BCM 300 Blackout AR uppers. Knowing the industry, there must be some amazing options on the market I simply havent seen. AR15 300 BLK upper receivers are a great way to change to a larger caliber without the need for a ton of new parts. I have purchased a couple of .300 blackout upper receivers from MAS Defense. DS-15 Complete Upper 7.5" Typhoon 5.56 Threaded Black $ 799.95. bolt carrier group (BCG), lower, and magazines as 5.56 NATO and 223 Remington, making it extremely easy to add a new caliber to your arsenal! Simple but effective. Jigs; Accessories & Optics; Handguns. The .300 BLK became a behemoth in the industry because of its direct compatibility with existing AR-15 rifles since it is compatible with almost every standard 5.56/223 AR-15 part. 300 Blackout uses the same bolt carrier group (BCG), lower, and magazines as 5.56 NATO and 223 Remington, making it extremely easy to add a new caliber to your arsenal! Handguard has a lot of cut-outs & could get warm. It ate everything I put through it and shot as well as any other 10.5-inch upper in my collection. Cute, friendly and amazing blackout curtains. Want more? I built a .300 in a A2 dissipator configuration, using a pistol length gas system. To round out our picks, we wanted something that would be especially suitable for a pistol built, and the Aero Precision M4E1 is awesome for that in the 8 barrel format. For more information, go to www.p65warnings.ca.gov. There is a flash can tucked neatly inside the handguard. Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group. If you want to get a little pickier, go with an adjustable gas block or one that's long enough to allow you to slide an adjustable gas gadget under the hand guard and that pokes out a little to let you adjust it. 13.7 GEN 3 INFIDEL UPPER $ . So what I'm gathering from this is, I can use a 5.56 BCG as well as a charging handle in a .300 blackout upper, correct? Another affordable option if you have your own BCG or CH. You'll now receive newsletters of our best articles on techniques, AR-15 300 Blackout 16" Combat Upper Assembly / 15" Mlok / Multiport AR-15 300 Blackout 16" Combat Upper Assembly / 15" Mlok / Multiport. Home > PRODUCTS > BARRELED UPPER (NO BCG/CH) > .300 BLACKOUT: MHR RPR Like Radical Firearms on Facebook. There are virtually no markings on the upper other than the barrel and Cerro Forge keyhole marking. Javascript is disabled on your browser. I slept 11 hours the first night. Make sure you keep ammo and mags separate. I had never heard of the company, but am always up for trying something new, especially when it comes from a smaller manufacturer. I suspect the market for that is just too low. Nav Menu 7. No matter what kind of .300 BLK build you want to create, you can find the upper for it from PSA. Personally, I keep them organized by using different color mags FDE and black for 5.56 and Olive Drab for .300 BLK. A 10-inch barrel on an AR pistol or SBR rifle is perfect for the ballistics of 300 Blackout. 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. The .300 Blackout cartridge is available . A 10 and 1/2 in barrel is okay. CHAINSAW COMPLETE UPPERS $ - $ Select options. Reply HELP for help and STOP to cancel. to cause cancer, birth defects or other reproductive harm. These budget-priced uppers lack a BCG and charging handle, but theyll take any standard AR BCG and charging handle. cart reminders) to the mobile number used at opt-in. We also love the lightweight handguard, which helps prevent it from getting overly front-heavy when mounted with a suppressor. That is what will happen!!! Rainier Arms specializes in high-end AR15 parts, AR15 accessories, AR15 grips, AR15 stocks, AR15 uppers, AR15 lowers, AR15 barrels and much more. That means if you went with an under 16-inch barrel (which you pretty much gotta do with a .300 BLK), then you can get a folding brace for a super compact AR. 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 Unfortunately your form was not successfully submitted. I'd also recommend going a little longer, ideal length for gas burn is 9", so 10 or 10.5" are perfect, and that keeps gas out of your face too. I have a PWS piston upper in 300blk. . Add to Cart $229.95 $399.95 AR-15 300 AAC blackout 10.5" nitride classic mlok upper assembly AR-15 300 AAC blackout 10.5" classic mlok upper assembly is a perfe. ALWAYS ARMED Jester 10.5" 5.56 NATO JESTER FLASH CAN PISTOL KIT - BLACK. When the folks at Pro2A Tactical reached out about reviewing their products, I was intrigued. Short little pistols? Palmetto State Armory 10.5" Complete Upper Receiver Kit. We may earn a commission on purchases from a link. Also, with option for stainless steel or 4150 with Nitride finish barrel. 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. Products [55] Sort by: Submit. Have been looking at all the AR variations and would like your thoughts/advice on a particular package I'd like to build - .300BO, 16" 1:8 barrel, gas piston, and side-charging upper. CHAINSAW, UPPERS, AR-15, 5.56, 300BLK. Founder & Licensed Concealed Carry Holder. We also love their 5.56 uppers check out the review. Maximize your rifle's potential with the best 300 Blackout Upper receivers that offer exceptional accuracy, durability, and customization. Davidson Defense Premium Left Handed M16 AR-15 Black Nitride Finish Bolt . . I wont dive too deep into the 5.56 vs. .300 Blackout debate because we have an article on that. Sign up for texts to enjoy a 10% off coupon for use on a future order while also getting exclusive updates and more! The 10.3-inch length is not too short and not too long from an all-around/fit every human size standpoint because you have to figure in the handguard and potential suppressor length. 75090 For military and law-enforcement applications, a .300 Blackout-chambered M4 is a marvelous sub-gun replacement, with a cartridge considerably more effective than a 9mm pistol-caliber MP5. towards your level. And stay in touch with newsletters of our best articles on techniques, guns, & gear. Anyone have a top 5 recommended, 300 blackout stripped upper with the focus being lightweight and gas reducing? Flash hider, compensator, or suppressor, a shorter-barreled .300 Blackout rifle or pistol will benefit from some additional muzzle control. Our AR15 300BLK uppers are made with high-grade material for the best performance and reliability. Sign up for our newsletter for exclusive promotions and a coupon for 10% off an order! .300 BLACKOUT; 7.62x39; BARRELED UPPER (NO BCG/CH) 5.56 NATO.300 BLACKOUT; 7.62x39; SUPPRESSORS. Find a Dealer; Shop AR15; Shop M5/AR308; About Us. Check out more calibers and everything AR in the Ultimate AR-15 Resource. Home Default Category Upper Assemblies 300 Blackout. Select what level shooter you are! One thing we might change out were it our gun is the handguard: it has a ton of room to mount anything up to and including the kitchen sink, but the square profile is kind of thick in the hand. .300 AAC Blackout Chamber. We also have AR-15 uppers in pistol calibers like 9mm, 40 S&W and 45 ACP. LAR-15M Complete Upper Halves .300 AAC Blackout. Shop our AR 15 complete uppers for sale for both gas operated and piston system uppers from top brands like Del-Ton, Bear Creek Arsenal, and Aero Precision. Mil-spec parts - American Made. 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. We offer AR-15 complete uppers in a variety of options for M-Lok, Picatinny, Keymod, and modular rails. To convert your standard AR into a .300 Blackout rifle, it's as simple as swapping out the upper . $199 at Palmetto State Armory Jump to Details The new upper chambered in the ever-so-chic 300 blackout (300blk) fits the SIG MCX and a standard AR15 lower. To keep gas out of your face, you may want to choose one of the new flow-through, 3d printed suppressors from OSS/HuxWrx. Read on to see how to get your standard 5.56 AR-15 ready to use .300 BLK. guns & With suppressors and SBRs being all the rage, the .300 BLK continues to grow. And at close range, the 5.56mm, frankly, is an awful round. $364.99. 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 Your 300 BLACKOUT AR 15 Upper Receiver will arrive turn-key and ready to shoot out of the box. FollowRadical Firearms on Twitter . Very smooth and the accuracy is excellent with just irons. CLICK HERE Texas independence day Sale ended ended 00hrs 00mins 00secs Thanks! DS-15 Complete Upper 16" Typhoon .300 Blackout Non-Threaded Black $ 799.95. Add to Cart. Please note: Do you want to continue without logging in? UPPERS. And its pistol-length gas system ensures reliable cycling with whatever it's fed. 8.3" .300 Blackout BA Hanson Pistol Length Performance W/7" AR15 ATLAS R-One M-LOK Handguard Complete Upper . Nav Menu 6. BCM 11.5 (ELW-F) Upper Receiver Group (standard) MCMR 10 MLOK $708.00 Out of Stock. So, in trying to develop a round that hits harder at short ranges, as well as suppresses supremely well, youll want to take a look at the .300 BLK. My editors pick recommendation for a do-all .300 BLK upper. INTEGRALLY SUPPRESSED . 1 Review. 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. or something you wish we had, please let us know! Shorter barrel lengths are excellent for close-quarters engagements making a .300 blackout rifle or pistol a great option for home defense, but youll want to protect your hearing with a suppressor or some other muzzle device. $494.00. 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. Quick view Out of stock. Payment sent. The model is MK1 Pro. 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. 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 .300 Blackout carries a .30-caliber bullet that offers greater mass than a .223 Remington's .22-caliber projectile. This includes magazines, bolt carrier groups, upper and lower receivers, rails, buffers, buffer assemblies, stocks, etc. LAR-15M 7.62x39mm Uppers. Shoot a large variety of grain weights with exceptionally well performance with subsonic ammo and suppressors.