APOC Armory Black Nitride .223/5.56/.300BLK Bolt Carrier Group
AR15Discounts is proud to carry APOC Armory BCG's with Bolts made from heavy duty 9310 Alloy Steel and Bolt Carriers from 8620 case-hardened aircraft grade steel. 9310 steel has a high core strength rating, high fatigue strength, and a high harden-ability rating overall, which makes it about 7% stronger than Carpenter 158 steel, when treated properly. The Carrier is made out of 8620 Steel, which is is what you typically find in military aircraft. This is a BCG made out of the highest quality components, and won't break the bank, which is why it is perfect for your next 5.56 NATO/.223/.300 Blackout build.
These APOC BCG's feature a Black Nitride finish and are Magnetic Particle Inspected for Quality Control, and built to Mil-Spec standards throughout. They have Mil-Spec 8740 Steel hard chromed Firing Pins, Mil-Spec Gas Keys with Grade-8 screws that are staked and sealed with Permatex No.3, and they have shot-peened case-hardened D2 tool steel extractors. With the AR-15Discounts satisfaction guarantee, you can buy your AR build components without apprehension. Our guarantee says if you are unhappy for any reason, you can send it back to us within 30 days for a full refund. No worries. Get yours today!
Gas system: Direct Impingement
Caliber: 5.56 NATO, .223, .300 Blackout
Finish: Black Nitride
Bolt: 9310 Alloy Steel (High Hardness)
Carrier: 8620 Aircraft Grade Steel
Extractor: Shot Peened and Case Hardened D2 Tool Steel
Firing Pin: Mil-spec 8740 steel with hard chrome finish
Gas Key: Mil-Spec w/ properly staked Grade-8 screws and sealed with Permatex No. 3
Cam Pin: 8620 Steel w/ Black Nitride Finish
Quality Control: MPI Inspected for QC