Odin Works AR-10 .308 / 6.5 Creedmoor Black Nitride Bolt Carrier Group

Featuring a case-hardened 8620 stainless steel carrier with a QPQ black nitride finish, the Odin Works® AR-10 .308 / 6.5 Creedmoor Black Nitride Bolt Carrier Group is a drop-in BCG upgrade offering exceptionally smooth and consistent operation under the most extreme conditions. The cam pin is machined from hardened 4340 steel, and the firing pin is 8740 steel. It is centerless ground and hard chrome coated for natural corrosion resistance and maximum lubricity. The bolt is case-hardened 9310 steel, and the bolt assembly features accurate Mil-Spec dimensions, and external surfaces are CNC ground after heat treatment for a precision fit. The extractor is crafted of 4340 steel with a manganese phosphate coating. The gas key is constructed with 4130 steel, attached with Grade 8 hardware, and properly staked into a milled "valley" for proper positioning and reliable operation. If that weren't enough, this BCG is Magnetic Particle Inspected (MPI) and High Pressure Tested (HPT), promising exceptional quality and ultra-smooth operation. Compatible with DPMS-style and other AR-10 rifles. Made in USA.