5.56 Nitride MPI/HPT Bolt Carrier Group
SKU: 556BCG
Bolt Finish: Nitride
Bolt Steel: 9310
Profile: Full Auto Profile
Gas Key: Grade 8 Hardened Fasteners, Staked per MilSpecBolt is High Pressure Tested (HPT) & Magnetic Particle Inspected (MPI)
This Nitride BCG is made with a 9310 bolt with a full-auto profile, designed to be used in AR-15 & M-16 style rifles. Bolt is high pressure tested and magnetic particle inspected for a uniform quality and operational reliability.
$149.99 Regular Price
$89.99Sale Price