Proof Research Carbon Barrel
Comes with proprietary PR adjustable gas block. Includes gas tube. This is NOT readily interchangeable with standard AR gas blocks AFAIK.
Gas Block is approx 1.75”
Decided to go with a different caliber in my build (6 ARC)
Comes with proprietary PR adjustable gas block. Includes gas tube. This is NOT readily interchangeable with standard AR gas blocks AFAIK.
Gas Block is approx 1.75”
Decided to go with a different caliber in my build (6 ARC)