Rainier Arms Precision Match .308 BCG - Black Nitride HPR

The Rainier Arms Precision Match .308 BCG in Black Nitride is machined and finished to a higher standard to meet and exceed all Mil Spec. It is machined using the most precise equipment in the industry. The bolts are MPI tested & Marked to give you ultimate confidence in your weapon system. Our Bolt now features our improved Firing Pin, optimized for 6mm & 6.5mm calibers High Pressure Cartridges Carrier Specifications: Full Auto Carrier SAE 8620 Heat Treated Shot Peened Finish is QPQ treated Bolt:9310 Steel Shot Peened Heat Treated QPQ Treated Extractor:S7 Tool Steel Precision Machined Shot Peened Heat Treated QPQ Treated Extractor Retaining Pin: Precision Machined 4140 Heat Treated Precision ground to diameter Firing Pin:Colt Full Auto Spec Machined 4140 Heat Treated Weight 1.2 lb