The KAK Industry AR15/M16 Bolt Carrier Group (brand part no. 425-0512-001) gives AR-15 builders a durable, dual-caliber-compatible carrier group finished in phosphate coating with a chrome-lined interior. The phosphate coating provides an initial layer of protection against wear and corrosion, while the chrome lining adds extra durability and resistance to the stress of repeated firing, making this a popular choice for shooters who want reliability and longevity out of their rifle. This M16-profile carrier is compatible with both AR-15 and M16-cut lowers and runs in both 5.56 NATO and .300 Blackout builds.

Key Specifications

• Its Phosphate Coating provides a durable first layer of corrosion resistance.
• A Chrome-Lined Interior adds extra durability and resistance to the stress of repeated cycling.
• The M16-Profile Carrier is compatible with both AR-15 and M16-cut lowers.
• It’s Dual-Caliber Compatible, running in 5.56 NATO and .300 Blackout builds.
• A Black Finish matches standard AR builds.

Frequently Asked Questions

What calibers is this BCG compatible with? 5.56 NATO and .300 Blackout.

What does the chrome lining add over a standard phosphate coating? Extra durability and resistance to the stress of repeated cycling.

Buy the KAK Industry AR15/M16 Bolt Carrier Group

Get a durable, dual-caliber carrier group built for reliability. Order this KAK Industry BCG from our Lubbock, Texas gun shop for fast, insured shipping, and add it to your AR bolt carrier group build.