The Proof Research PR10 AR-10 barrel is chambered in 6.5 Creedmoor with a 20" PXT carbon fiber barrel, 1:7.5 twist, a rifle-length plus 2 gas system and a .875" gas journal. It is threaded 5/8x24.
- Manufacturer Part # : 152201
- Type : Barrel
- Fits : AR-10
- Caliber : 6.5 Creedmoor
- Barrel Length : 20"
- Finish : Carbon Fiber
- Gas System : Rifle Length +2
- Gas Journal : .875"
- Muzzle Thread : 5/8x24
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