Battle Arms Development M16 BCG – Black Nitride

Description

The Battle Arms Development M16 Bolt Carrier Group (BCG) is built for reliability and serviceability in AR-15/M16/M4 platforms. The carrier is machined from billet 8620 steel and case hardened, while the bolt is produced from 9130 steel with MPI/HPT treatment for strength and durability. Components feature a Black Nitride finish that offers corrosion resistance and reduced dependence on lubricants. This BCG is specified for use with .223 Rem / 5.56 NATO cartridges.

Key Specifications

• The bolt carrier is machined from 8620 steel and case hardened.
• The firing pin is made from 17-4 H-900 steel and centerless ground.
• The gas key is machined from 4140 steel and secured with Grade 8 screws that are properly staked.
• The cam pin is made from 4140 hardened steel.
• The bolt is made from 9130 steel, shot peened and CNC ground after heat treat.
• The bolt finish is Black Nitride (MPI/HPT) for wear resistance.
• The extractor is machined from 4140 billet steel with a manganese phosphate finish.
• The overall finish is Black Nitride for corrosion resistance and reduced lubrication needs.
• Compatible cartridges include .223 Rem / 5.56 NATO.
• This item is a Bolt Carrier Group designed for AR-15/M16/M4 platforms.

Engineered for shooters who value durable, high-quality components, this BCG delivers proven materials and heat-treat processes in a serviceable package. Its combination of billet-machined parts, hardened steels, and protective Black Nitride finish makes it a practical choice for hard-use and routine maintenance cycles.