One of the most popular self-defense calibers available on the market is the .300 Blackout. It is commonly known for its stopping power at close range and quietness when suppressed. This.300 Blackout Pistol Upper Build Kit can create the optimal home defense style setup. With our wide variety of options on Upper Build Kits, you can custom build your pistol just the way you want it.
This Upper Features A 7.5" .300 Blackout Barrel From Bear Creek Arsenal. This Heavy Barrel Is Made From 4150 CMV With A 5/8x24 Thread Pitch And A Twist Rate Of 1-8.
Recoil Technologies .308 5/8"x24 TPI Linear Muzzle Brake Nitride Made In The USA. This Muzzle Break Directs All Of The Muzzle Blast Forward Reducing The Noise Away From The Shooters Ears Increasing Shooting Comfort.
Built On An Upper Receiver Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.
This Upper Features A Premium 7" Gauntlet Arms ACE Series M-Lok Handguard. This Handguard Is Made From The Highest Grade 6061-T6 Aluminum And Is Reinforced With Class 2 Type III Black Hard Anodizing. With M-Lok Cutouts On The Sides, This USA Made Handguard Will Allow You To Mount A Variety Of Accessories.