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.
Looking for a .300 Blackout build that doesn't break the bank? Grab this 8.5" barrel to start your build. With the 1:7 twist rate rifled into this 4150 steel barrel, you can shoot the most common weights of rounds without issue. Lock your gas block in position with the dimple opposite the gas port for a snug and secure lock. This barrel helps keep the ability to reach out and hit your target, while also keeping the close quarters battle ability.
This Build Includes A 5/8x24 Flash Can From Recoil Technologies. This Muzzle Device Is Made From 6061 Aluminum And Has A Black Hard Anodized Finish. This Device Is Designed To Direct Gasses And Sound Away From The Shooter.
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 9" Air Lite M-Lok Honeycomb Handguard From Guntec. This Handguard Incorporates Hexagonal Lightening Cuts, Offering Substantial Weight Savings Without Sacrificing Structural Integrity. This Rail System Easily Installs Using The Provided Aluminum Barrel Nut. After Torquing Down The Barrel Nut, Simply Slide On The Rail And Secure Against The Receiver With 6 Included Screws.
