This Proof Research PR15 PXT barrel combines a 14.5-inch length with Proof's carbon fiber construction for a very light 6mm ARC AR-15. It has a 1:7.5 twist and a .750 gas block journal. Carbon fiber keeps weight low while holding stiffness, which suits a light hunting or carry rifle.
- Brand: Proof Research
- Fits: AR-15
- Model: PR15 PXT
- Chamber: 6mm ARC
- Length: 14.5 in.
- Twist: 1:7.5
- Construction: carbon fiber
- Gas block diameter: .750 in.
- Manufacturer part #: 152164
- UPC: 843068152164
