The Proof Research PR15 PXT is offered here as a 14.5-inch stainless steel AR-15 barrel in 6mm ARC. It uses a 1:7.5 twist and a .750 gas block journal. The shorter length keeps a 6 ARC rifle handy for hunting or general use.
- Brand: Proof Research
- Fits: AR-15
- Model: PR15 PXT
- Chamber: 6mm ARC
- Length: 14.5 in.
- Twist: 1:7.5
- Construction: stainless steel
- Gas block diameter: .750 in.
- Manufacturer part #: 152232
- UPC: 843068152232
