Cryptic Steel Bolt Carrier

Cryptic Steel Bolt Carrier is a coated bolt carrier group for AR-10 and AR-15 platforms. Machined from Mil-Spec 8620 aircraft quality steel with a shrouded firing pin and Mil-Spec chrome-lined interior. Includes chrome-lined and heat-treated gas key, gas key staked to carrier with Grade 8 fasteners per Mil-Spec. Full Auto carrier (Backward compatible with semi-auto rifles). Compatible with DPMS LR308 platforms. Specifications include Manufacturer Cryptic; Fabric/Material Steel; Gun Make AR Platform; Condition New. Features include: Compatible with DPMS LR308 platforms; Mil-Spec Bolt Carrier machined from 8620 steel and heat treated to 60-61 RC; Mil-Spec Chrome-Lined Carrier Interior; Mil-Spec Chrome-Lined Gas Key; Key staked with Grade 8 screws; Full Auto Carrier (Backward compatible with semi-auto rifles). Package Contents: Cryptic Steel Bolt Carrier. Firearm models compatibility: AR-10 and AR-15.