The Sig Sauer Extreme Series pistols feature a Nitron-coated machined stainless steel slide and frame. Built standard with low-profile night sights, a built-in accessory rail, front cocking serrations and single action only trigger. Aggressive styling is provided by Hogue Extreme Series grips. These black and gray G10 grips with integrated magwell, feature Hogue Piranha texture and the Sig Sauer logo.