PSA 20″ Rifle-Length 6.5 Creedmoor 1:8 Stainless Steel Barrel & BCG Combo

Barrel Length: 20″
Gas System: Rifle-length
Barrel Profile: Heavy
Barrel Steel: 416R
Barrel Finish: Stainless Steel
Chrome Lining: No
Muzzle Thread: 5/8-24
Chamber: 6.5 Creedmoor
Twist Rate: 1:8″
Barrel Extension: M4
Diameter at Gas Port: .750
Bolt Carrier Profile: Full-Auto
Bolt Steel: 9310, Nitride Coated