Open. The store will not work correctly in the case when cookies are disabled. LAR-15M Complete Upper Halves .458 SOCOM. Looking for a 300 blackout upper receiver for around $300. Ammo. 300 Blackout Barrels for sale at Primary Arms from a variety of popular brands like BCM. View as Grid List ; 8" .300 Blackout Pistol Length Modern W/7" AR15 Logic M-LOK Handguard Complete Upper . 13.7 GEN 3 INFIDEL UPPER $ . LAR-9M Complete Upper Halves .9mm Luger. My personal favorite is the 8.5-inch upper with an MLOK rail. On a DD lower this thing is GREAT. The 110-grain rounds are supersonic, and the 220 subsonic. MCX VIRTUS UPPER ASSEMBLY - 11.5" 5.56 NATO $1,799.99 Add to Cart Restricted in some areas New! The future of the AR 15 is the 300 Blackout. guns & Short little pistols? a huge part of .300blk's appeal is the ability to spit out heavy ass bullets at a pretty low velocity, probably cycling issues with subs/suppressors. The new upper chambered in the ever-so-chic 300 blackout (300blk) fits the SIG MCX and a standard AR15 lower. Very smooth and the accuracy is excellent with just irons. We all have a budget to live and die by, and recognizing that, Id suggest any of the .300 BLK options from Radical firearms. 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; You can use the same mags, same BCGs, etc. Out of stock. Click on the name to head to the product page, read reviews and check prices or skip ahead to the list of uppers. Very accurate and pretty cheap. LAR-47 Complete Upper Halves 7.62x39mm. 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. Though these bullets are delivered at a lower velocity, the .300 Blackout's lower chamber pressure and fast-burning powder allow for shorter, lighter barrels ideal for close combat. upper receivers available today. Its short and sweet and perfect for a .300 BLK pistol or SBR. It had virtually no slop, and in some cases had a tighter fit than factory uppers. 4. Find a Dealer; Shop AR15; Shop M5/AR308; About Us. While thats cool when it happens, whats even cooler is when rounds are designed specifically for the AR platform. Running windowed PMAGs in my .300BLK PSA PA-15. 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. 16" 9mm Upper with 12" MLOK Slim Handguard (0) $310.99 On sale: $279.95 Sale Out of Stock. Cant beat it. I would do it again the same way if I did it again. Products [55] Sort by: Submit. PSA is known for their awesome, budget-minded rifles and parts, and this 10.5" .300 BLK upper kit is yet another excellent offering aimed at meeting the needs of the more budget-conscious consumer. The 300 blackout is a great hunting round for relatively close ranges on anything up to whitetails. We offer AR-15 complete uppers in a variety of options for M-Lok, Picatinny, Keymod, and modular rails. 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. CLICK HERE Texas independence day Sale ended ended 00hrs 00mins 00secs $494.00. I made some half inch thick targets of steel at varying design and man the rifle makes em sing!! Personalize your experience. We also love their 5.56 uppers check out the, Check out more calibers and everything AR in the. The Anderson Manufacturing 300 Blackout Complete Upper Receiver is a great way to quickly and conveniently build out, or change an existing AR-15 to shoot the popular 300 Blackout round. We already have an account registered for email address Nav Menu 6. I may earn a small part of the sale from links to any products or services on this site. Upper Build Starter Kits > .300 Blackout Compatible. ALWAYS ARMED Jester 10.5" 5.56 NATO JESTER FLASH CAN PISTOL KIT - BLACK. Get your 300 Blackout upper from BCA today and experience durability and precision you wont get anywhere else! Blackout was designed to provide more energy and penetrate barriers better than the 9mm, while being compatible with a standard AR-15 magazine. But at their price point I can buy a complete upper for the cost of a barrel from other name brands. You see, .300 BLK can chamber in most 5.56 barrels; however, if you try to shoot it your barrel (and sometimes more) will literally burst. DS-15 Complete Upper 16" MOE .300 Blackout Threaded Black $ 599.95. SBR? For pistol uppers, Palmetto State Armory has put together a sweet offering here. Contact Us; Manufacturing and OEM; Employment ; Corporate Office; Address: 2320 Commerce St If there is something we're doing well, something we can improve on, Notify me of exclusive sales and special promotions. . If youre in the market for a quality upper and are bored with shopping big-boy retailers, check out Pro2A Tactical. 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. 2016-2023 ALL RIGHTS RESERVED. Smith and Wesson have been getting into the AR game really seriously in the past ten years, so its great to see them selling an upper in .300 Blackout as well. Notify me of follow-up comments by email. I haven't had any issues with the 416 stainless barrel. 300 Blackout Uppers | 300 ACC BLK Uppers from Top Brands like Aero Precision, Radical Firearms & More, 300 Blackout Uppers | 300 ACC BLK Uppers from Top Brands like Aero Precision, Radical Firearms & More, 164 products / 697models. All rights reserved. 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. Mil-spec parts - American Made. Out of stock. My editors pick recommendation for a do-all .300 BLK upper. 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. 300 Blackout Ammo is one of our most popular calibers. And its held up great. This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. I have 9.5" (threads make it 9.5") ballistic advantage barrels I can make into upper. My Cart. 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. News people Radial pistol uppers are good to go for what they are designed to do. One of the many things they cover is the .300 BLK in uppers of all sizes, from 7.5-inch barrels all the way to 16-inch barrels, with every standard size in between. It comes with a flash hider, but I recommend fitting a suppressor on it as the length just screams for a can and hand stop. These are just my favorites and represent a very small section of the market. I slept 11 hours the first night. I have a Radial 8.5" 300blk and it is a nice tight fit on a Areo M4E1 (No need for tension set screw) It shoots straight out to 50yds/ 1.5" group free standing, bench rest 100yds / 3.5" group but I blame the shooter. Enter your email address for special offers from MAS Defense LLC, ATF Rule 2021R-05F - 80% Lowers 09-27-2022, ATF Rule 2021R-05F - 80% Pistol Frame Update 12-27-2022, ATF Rule 2021R-08 - Stabilizing Braces 12/28/2022, 6" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT, 6" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL, 6" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 7.25" M-LOK RAIL, 6" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL - FDE, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL - FDE, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 7.25" M-LOK RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 9.87" M-LOK RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL - FDE, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL - FDE, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 12" LIGHTWEIGHT QUAD RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL - FDE, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL - FDE, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 7.25" M-LOK RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 9.87" M-LOK RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL - FDE, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL - FDE, 9.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE 12.62" MW8 OCTAGON M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL - FDE, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL - FDE, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 9.87" M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 12.62" M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE 12.62" MW8 OCTAGON M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL - FDE, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 12" LIGHTWEIGHT QUAD RAIL.