The KAK Industry M16 Bolt Carrier Group is a full chrome 5.56 NATO carrier group aimed at reliability without a premium price (brand part no. 425-0505-001). KAK Industry machines the M16 (full-auto) profile carrier from 8620 steel, heat treats it and grinds it to exact tolerances. The group is finished in full chrome, sometimes called hard chrome or machine gun chrome. The extractor, cam pin, firing pin and gas key are each specified by steel grade.

Key Specifications

• It is built for 5.56x45mm NATO rifles.
• The carrier has the M16 (full-auto) profile, machined from 8620 steel, heat treated and ground to exact tolerances.
• The finish is full chrome, also called hard chrome or machine gun chrome.
• The extractor is a single-piece billet 4140 part, phosphate coated for reliability and corrosion resistance.
• The cam pin is 4340 steel with chrome plating.
• The firing pin is 8740 steel, chrome plated, precision ground and heat treated.
• The gas key is 4130 billet steel, chrome lined and chrome plated and precision staked, with Grade 8 T25 carrier key screws.

Frequently Asked Questions

What caliber is this bolt carrier group? It is a 5.56x45mm NATO group with an M16 (full-auto) profile carrier.

What is the carrier made of? The carrier is machined from 8620 steel, heat treated and ground to exact tolerances.

What does full chrome mean on this group? KAK describes it as full chrome, also called hard chrome or machine gun chrome.

Buy the KAK Industry M16-Profile Bolt Carrier Group, 5.56 NATO, Full Chrome

A full chrome carrier group is a tough, easy-to-clean choice for a working AR-15. KAK Industry pairs the chrome finish with heat-treated steel components. Order it with our other AR bolt carrier groups from our Lubbock, Texas gun shop for fast, direct shipping.