M16 5.56 BOLT CARRIER GROUP NITRIDE MP

Reliability for the Discerning Operator

The Brownells M16 5.56 Complete Bolt Carrier Group is designed to work easily and reliably in any AR-15 or M16 rifle chambered in 5.56x45mm, 300 AAC Blackout or .223 Remington.

The Brownells M16 5.56 Complete Bolt Carrier Group is constructed with a bolt made from 9310 steel, which is finished with a heat treatment and shot peening. The carrier is fabricated from 8620 hardened steel. Each element of the bolt-carrier group is finished in a black-nitride coating.Buy M16 5.56 BOLT CARRIER GROUP NITRIDE MP online

• Magnetic-particle inspected material
• Extractor includes spring and rubber insert
• Includes torqued and staked gas key
• Functions with any cartridge based on the 5.56 NATO cartridge case

The Brownells M16 5.56 Complete Bolt Carrier Group comes with a bolt, bolt carrier, gas key, firing pin, cam pin and a firing pin retaining pin.Buy M16 5.56 BOLT CARRIER GROUP NITRIDE MP online