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A*B Arms AR-15 Complete Bolt Carrier Group .223 REM/5.56 NATO/.300 AAC BLACKOUT Nickel Boron

$168.00
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Brand
American Built Arms
Color
Nickel Boron
Caliber
5.56x45mm
Category
Gun Parts
Platform
AR-15
Gun Part Type
Bolt/BCG
UPC
859143003535
MPN
ABABCGNIB

Overview

The American Built Arms AR-15 Bolt Carrier Group is precision-machined to Mil-Spec dimensions for use in 5.56x45mm NATO rifle platforms. This bolt carrier group features a nickel boron finish on the bolt, 8620 steel M-16 style carrier, 4130 steel gas key, and 4340 steel cam pin, providing enhanced lubricity and corrosion resistance that requires minimal lubrication during operation. The E4140 steel extractor is manganese phosphate coated to ensure superior extraction reliability, while the firing pin is constructed from chrome-lined AISI 8740 steel. Designed for drop-in compatibility, these components are heat-treated and shot-peened for durability and consistent performance. This U.S.-made assembly is built for shooters who require exacting tolerances and reliable cycling in professional and civilian AR-15 applications.

Price & Stock History

Price — 90d
Listings In Stock — 30d

Reviews

No review data was found for this product.

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