Looking to build your next AR-15 chambered in the 6.5 Grendel Type 2? Well, ODIN Works has the bolt-carrier group you need in this BCG, which is purpose-built for use with the Type 2 6.5 Grendel cartridge and features a bolt head that provides dependable performance with the cartridge. The ODIN Works 6.5 Grendel Bolt Carrier Group features a bolt machined from case-hardened 8620 steel, while the bolt itself is machined from case-hardened 9310 steel. The gas key is machined from 4130 steel and is attached using Grade 8 hardware and features proper staking to ensure position and reliability. Other features include a 4340-steel cam pin, a 8740-steel firing pin that's hard-chrom Mfg: Odin Works Inc.