Spikes Tactical SB51605-M49R 5.56 - 16" M4 LE w/FSP - No Bayo Lug Barrel 1:7 Twist

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" M4 Profile Barrel MIL-B-11595E CMV Chrome Lined 1/7 Twist Rate 1/2 X 28 Thread Pitch for Muzzle 5.56 Nato Chamber .750 Gas Block Seat M4 Feed Ramped Barrel Extension MilSpec Phosphate Coating Carbine Gas Low Profile Gas Block: Single Pinned and Single Set Screw Solid Billet Steel .750 I.D. Weight: 1lb 14oz