Timney’s MP5 Two-Stage Trigger offers maximum accuracy and reliability. It comes factory set with a two-pound first sage pull and a two pound second stage pull to promote greater accuracy. All components are exceptionally well-machined and made from premium materials. The housing is constructed from 6061 T6 aluminum and is given an anodized black for optimal weather and corrosion resistance. The hammer is made from heat treated S7 tool steel, and is given an NP3 coating for lubricity. Both the trigger shoe and disconnector have been machined from billet A2 tool steel, heat treated for durability, and carbo-nitride coated for an effortlessly smooth feel. The Timney replacement Two-Stage Trigger for HK MP5 Semi-Automatic Variants utilizes your existing rifle's ejector lever, ejector spring, and the ejector axis pin that are matched to your rifle's chambering. Features: Two-pound first sage pull and a two pound second stage pull to promote greater accuracyCompatible with H& K MP5, H& K 91/93, and H& K 94 type firearms Made from premium materialsExceptionally well machined metal parts Timney Triggers Timney H& K MP5 Two-Stage 2-2lbs Semi-Auto/SEF Trigger MP5