ODIN WORKS

ODIN BOLT CARRIER GROUP AR-156.5 GRENDEL TYPE 2 BLK NITRIDEFEATURES -6.5 Grendel -Mil-spec dimensions -Bolt Carrier Group Material: Case hardened 8620 -Steel Finish: Black nitride -Gas Key: 4130 steel attached with Grade 8 hardware & properly staked into a milled "valley" to ensure proper positioning -Cam Pin: Hardened 4340 cam pin -Firing Pin: Mil-Spec firing pin made of 8740 steel, center-less ground & hard chrome coated -Bolt Assembly: The bolt is "true" Mil-Spec dimension & external surfaces are CNC ground -Bolt Material: Case hardened 9310 steel -Finish: All bolt components black nitride -Extractor: 4340 steel Mil-Spec -Extractor spring &O-ring combination -Magnetic Particle Inspected -High Pressure Test -Made in USA