Gorilla Firearms 5.56 / 300 Blackout – Premium Bolt Carrier Group – Nitride

$149.99

Mil-Spec but so much more, the Gorilla Firearms Bolt Carrier Group is made with quality components and built to exacting standards.

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Description

Gorilla Firearms 5.56 / 300 Blackout – Premium Bolt Carrier Group – Nitride

 

Bolt:

 9310 Tool Steel Construction (Stronger than C158)

Full MIL-SPEC Heat Treatment

Shot Peened to MIL-SPEC

Magnetic Particle Inspection (MPI)

Back of Lugs Chamfered for Reliability

Spring, Insert, & “Crane” O-Ring Installed

QPQ – Salt Bath Nitrided

Extractor:

S7 Tool Steel Construction

Fully heat treated

Shot Peened Per Mil-Spec

QPQ- Salt Bath Nitrided

Carrier and Key:

Superfinished Carrier made from Mil-Spec 8620 Steel Material

Key is made of 4140 Steel, Fully heat Treated

Forward assist Serrations

M16 Compatible

Grade 8 Fastners

Fully & Properly Staked Key

QPQ-Salt Bath Nitrided

Cam Pin:

4140 Pre-hardened Steel

QPQ- Salt Bath Nitride

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