The barrel ships with a gas block. This barrel is designed for Noveske's gas block that is 1" long (INCLUDED). A standard front sight base is 1.9" long and WILL NOT FIT. Barrel installation should be performed by a qualified gunsmith. Installation of the gas block dowel pin and gas block is required to complete the assembly process.
Features :
- "11.5" 5.56mm 416R Stainless with 1:7 Twist"
- Hand polished Noveske Proprietary Match Chamber
- Carbine Gas Tube Included
- "Noveske Marked Gas Block: Low Profile, .750" Journal, Pinned to Barrel"
- M4 Barrel Extension with Extended Hand Polished Feed Ramps
- 60 Degree Muzzle Crown
- Bead Blasted Finish
- 1/2x28 Muzzle Threads