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MidwayUSA© MidwayUSA
80Deal ScoreIn Stock

AR-STONER AR-15 Bolt Carrier Group 5.56x45mm NATO Nickel Boron

$119.99
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Brand
AR-STONER
Color
Nickel Boron
Caliber
5.56x45mm
Category
Gun Parts
Platform
AR-15
Gun Part Type
Bolt/BCG
UPC
811163036474

Overview

The AR-STONER AR-15 Bolt Carrier Group (BCG) is machined to Mil-Spec tolerances and features a durable Nickel Boron (NiB) finish. This coating provides a permanently lubricious surface that reduces friction and minimizes the need for wet lubrication. The BCG is drop-in ready and includes an M16 auto-profile carrier machined from 8620 steel, properly heat-treated and ground. The assembly includes a bolt machined from 9310 steel that has been shot-peened and MPI-tested for quality. Additional components include a chrome-plated 8740 steel firing pin, a one-piece billet extractor with a phosphate coating for corrosion resistance, and an S7 tool steel ejector. The 4130 gas key is nickel boron finished and precision-staked using a hydraulic machine, secured by Grade 8, heat-treated carrier key screws.

Price & Stock History

Price — 90d
Listings In Stock — 30d

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Listings

MidwayUSABest Deal
In Stock
$119.99
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