The KAK Industry 6.5 Grendel Type II AR-15 BCG, a bolt carrier group with a chrome lined phosphate finish (KAK part no. 425-0512-013), is built for 6.5 Grendel, 22 ARC and other 6mm AR-15 conversions. The Type II bolt face is what these cartridges need, and KAK machines the group in house at its Missouri facility. The carrier is a full auto profile with correct sear trip placement. The carrier, bolt and firing pin are heat treated, and the carrier and bolt are finished in phosphate. Browse more AR bolt carrier groups on our site.

Key Specifications

• The bolt face is a Type II bolt face, the style used for 6.5 Grendel, 22 ARC and other 6mm conversions.
• The platform is AR-15, a right hand, standard bolt carrier group.
• The carrier is 8620 steel with a chrome lined phosphate finish, machined from aircraft or bearing quality steel and heat treated.
• The carrier uses a full auto profile with correct sear trip placement.
• The bolt is 9310 steel, heat treated, precision ground, phosphate finished and MPI tested.
• The firing pin is 8740 steel, precision ground, properly heat treated and chrome plated.
• The extractor is an enhanced machined steel extractor with a phosphate finish.
• The gas key is 4130 steel, chrome lined phosphate and staked with a hydraulic staking machine.
• The ejector and extractor retaining pin are S7 tool steel, a tough steel for small, hard-working parts.

Frequently Asked Questions

What does this bolt carrier group fit? It is an AR-15 platform group with a Type II bolt face, made for 6.5 Grendel, 22 ARC and other 6mm AR-15 conversions.

Is it a right or left hand group? It is a right hand bolt carrier group on the AR-15 platform.

How is the bolt tested? The bolt is machined from 9310 steel, heat treated, precision ground, phosphate finished and MPI tested.

Buy the KAK Industry AR-15 Bolt Carrier Group, 6.5 Grendel Type II Bolt Face, Chrome Lined Phosphate

Getting a 6.5 Grendel or 6mm AR-15 to cycle reliably starts at the bolt, and the Type II bolt face on this KAK group is the right place to start. Order it from our Lubbock, Texas gun shop for fast, direct shipping.