TRIARC Mil-Spec AR15 BCG – Black Nitride 556 / 300 BLK
$189.99
In stock
FULL AUTO RATED
Material: Case Hardened 8620 steel
Finish: Black Nitride
Cam Pin: Hardened 4140 cam pin
Firing Pin: 17-4 stainless steel
Bolt Assembly: Machined from case hardened 9310 steel then shot-peened, heat treated, and 100% MPI tested per US Mil-Spec.
*Properly heat treated 9310 steel is on average 8% stronger than Mil-Spec standard Carpenter 158 steel, making the bolt stronger than the Mil-Spec standard*
Extractor: Billet 4140 steel
Extractor Spring *Upgraded*: Cryogenically treated 5 Coil Enhanced Extractor Spring for increased reliability
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