9mm Luger Bolt Carrier Group – NiB-X Nickel Boron POLISHED
NiB-X AR-15 9mm Luger Bolt Carrier Group designed for Glock 9mm magazines.
Availability: In Stock
Carrier – AR-15 style (heavy weight), 8620 material, heat treated, and case hardened. Manufacturing tolerances on inside diameters tightly controlled. NiB-X coated for durability and ease of cleaning.
Gas Key – Hardened to USGI Specifications and attached using grade 8 hardened fasteners. NiB-X coated. Staked per military specifications.
Designed for use with Glock style magazines. Made in USA!
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