This Sons of Liberty Gun Works Combat barrel is a 12.5 in. 5.56x45 NATO barrel for the AR-15. It uses SOLGW's V2 profile, a 1:7 twist and 1/2x28 muzzle threads, and is made from CMV steel. Check federal, state and local barrel length laws before building.
- Caliber: 5.56x45 NATO
- Length: 12.5 in.
- Profile: V2
- Twist: 1:7
- Muzzle threads: 1/2x28
- Steel: CMV
- Fits: AR-15
