Griffin Armament Enhanced Bolt Carrier Group AR-15 5.56x45mm Steel Nitride For Sale

Griffin Armament Enhanced Bolt Carrier Group AR-15 5.56x45mm Steel Nitride Information

The Griffin BCG combines an 8620 carrier, 9310 Bolt, 4340 cam pin and extractor. All the proper heat treats, the correct shot peen, and the often neglected post heat treated grind are present. In a market filled with cast component BCG’s, all components are billet machined and all surfaces receive a finish pass in machining for improved surface smoothness. There are varying degrees of quality in Melonite QPQ finishes. These BCG’s went to 4 finishing houses for selection of the finish provider, cost not being a consideration. The result is a deep black finish with remarkable lubricity. These are assembled to the current military technical data package with permatex’d and properly staked carrier keys. They also feature the current 15,000 round extractor spring design and a Crane O ring for reliable extraction in extreme conditions. We ran these thousands of rounds in multiple manufacturers rifles throughout the T&E phase without a single malfunction. From first sight through months of use to the final product launch we have remained excited to bring this BCG to market.

Features

• 8620 Carrier
• 9310 Bolt MP inspected, High Pressure Tested
• Bolt properly heat treated, shot peened, and post heat treat ground with headspace held to half the blueprint specification
• 4340 Cam Pin & Extractor
• Finish Pass Machined on all surfaces 
• Full Billet Construction
• Premium Melonite QPQ Finish
• Latest 15k round Extractor Spring Design
• Crane O-ring for increased extraction reliability in extreme conditions
• Billet machined gas key, installed with permatex and staked to current TDP

Made In United States of America
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

Specifications