- 1 in 7" twist improved polygonal rifling
- With 556 Noveske Match Chamber
- Extended feed ramps
- Bead blasted finish
- Gas tube
- 2” Gas Block Seat
- 1/2x28 threads
- Medium Contour
Barrel installation should be performed by a qualified gunsmith. Installation of the gas block taper pins and gas block is required to complete the assembly process.
All NFA Regulations apply. Please check your local and state laws before ordering.
Contact your local ATF Field Office with any NFA questions you may have.
|SKU||B-145-556 NO GAS BLOCK NO GAS BLOCK|