Spikes Tactical SB31603-MP 300 Blackout - 16" Medium Profile Stainless - 1:8 Twist - Stripped Barrel

The barrel is one of the most critical components of your build. We only offer high quailty barrels so you can be confident that your rifle will be off to a good start with which ever barrel you decide on. Features: 16" Stripped Barrel Pistol Length Gas Chrome Lined 1:8 Twist Rate 5/8 X 24 Thread Pitch for Muzzle .300 Black Out Chamber .750 Gas Block Seat M4 Barrel Extension Mil-Spec Phosphate Coating Pistol Gas Weight: 1lb 4oz