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300 Blackout uppers for your AR rifle - 7.5, 9, 10.5, 16 inch and more. .300 ACC pistol uppers from the best brands like Aero, CBC, Radical, Ghost, and more! Free shipping available!
Find your dream complete AR-15 300 Blackout upper receiver from Bear Creek Arsenal! 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!
300 Blackout Uppers. Start your build off right with a 300 blackout upper from Palmetto State Armory. We offer AR-15 uppers in various barrel lengths and finishes to fit the needs of your build. We also carry 300 blackout kits, complete guns, and 300 blackout ammo.
.300 Blackout Complete Upper Receivers. Wing Tactical offers .300 Blackout upper receivers from a variety of manufacturers like Aero Precision, Seekins Precision, and Radian Weapons. Complete upper receivers feature numerous pre-assembled parts, including: Barrel; Handguard; Gas block; Gas tube; Bolt carrier group; Charging handle; Muzzle device
Davidson Defense 'Phantom Operator' 16-inch AR-15 .300BLK Rifle Complete Upper Kit with Phosphate finish. Reliable, high-performance build for superior accuracy and durability ... Featuring Davidson Defense Upper.300 Blackout 16" 4150 CMV Phosphate 1:8T. ... $49.99 $34.99 Sale. In Stock. Add To Cart. Quick View. DURAMAG 350 Legend Magazine, 10 ...
These complete upper receivers or barreled upper assemblies provide a convenient and efficient way to transform your firearm into a capable 300 Blackout platform. Choose from pistol-length, carbine-length, or mid-length uppers, depending on your desired configuration and shooting preferences.
We offer the 300 Blackout in a variety of barrel lengths, twists, gas systems, muzzle devices and formats to suit your needs. All of our complete uppers are assembled by the most experienced armorers and covered by our limited lifetime guarantee.
