This Bolt Carrier Group from KAK Industry is cut to M16 specifications for 5.56, combining a phosphate coating with chrome lining to protect against wear and corrosion for reliable, long-lasting service (KAK Industry part no. 425-3312-003).

Key Specifications

• Cut to M16 specifications.
• Bolt face and dimensions machined for 5.56.
• Phosphate coated for an initial layer of wear and corrosion protection.
• Chrome lined for additional durability and resistance to repeated firing stress.
• Finished in black.

Frequently Asked Questions

Is this a full-auto (M16) cut carrier? Yes, it’s machined to M16 specifications, which is also compatible with semi-auto AR-15 lowers.

What does chrome lining add over a plain phosphate finish? Chrome lining adds an extra layer of hardness and corrosion resistance inside the carrier, which can extend service life under high round counts.

Buy the KAK AR15 M16 Bolt Carrier Group, 5.56, Black

Add a durable, chrome-lined BCG to your 5.56 AR-15 with this KAK Industry unit. It ships fast from our Lubbock, Texas gun shop, and our AR-15 bolt carrier groups selection has more AR-15 bolt carrier groups.