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Spike's Tactical Complete Bolt Carrier Group Nickel Boron .223 REM/5.56 NATO/.300 AAC BLACKOUT

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Spikes Tactical
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The Spike's Tactical Complete Bolt Carrier Group features the same MILSPEC finish as their standard BCG but features the superior Nickel Boron finish. Nickel Boron is a more durable finish and is easier to clean, eliminates friction, and can run lube free for thousands of rounds. Additionaly, the Nickel Boron BCG is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) for high quality.

Specifications and Features:
Machined from 8620 Tool Steel (Carrier) and 158 Carpenter Steel (Bolt)

.223 REM/5.56 NATO/.300 AAC BLACKOUT
Shrouded firing pin
Nickel Boron Coating inside and out (Bolt, Carrier, and Gas Key)
Forged Mil-Spec gas key attached with Grade 8 hardware and Properly staked
Bolt is shot Peened and HPT/MPI
Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
Tool Steel Extractor


Item#: 99791
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