AR-15 Barrel Sub-Assm, 12.5" MR 4140CM SBN, 5.56mm 55DDF0A CMMG

$239.99

Length: 12.5", 1:7" Twist
Chamber: 5.56 mm
Profile: Multi Role Profile
Material and Finish: 4140 CrMo, Salt Bath Nitride Finish
Muzzle Thread: 1/2"-28 TPI
Gas Port Location: Carbine