Proof BARREL, PR10, 6.5CM, 22 LENGTH, 8 TWIST, 4 GROOVE, 5/8-24 THREAD, CF, STANDARD, GAS LENGTH RIFLE+2, GAS BLOCK .875 Available to order on-line. Ships in 5-14 days $1,049.00 MSRP Price: $939.00 Description Details Reviews Shipping info UPC: 843068100639Manufacturer: Proof ResearchModel: 100639Caliber: 6.5mm CreedmoorCategory: PartsOtherBarrelsStock: Ships in 5-14 business days.Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.