Remove a quarter pound of weight from your DPMS Gii pattern small frame rifle with our bolt carrier machined from grade 5 titanium and PVD coated for durability.Available with adjustable gas key by Rubber City Armory already installed and properly staked.Includes:Updated high pressure bolt (small aperture)large aperture version available on requestSmall tip firing pin (.062)Ceramic doped DLC coated titanium carrierChoice of mil-spec gas key or RCA adjustableCam PinFiring pin retainer