The Gun Butter Trigger and Locking Lug Gun Grease outperforms graphite and moly greases while also adhering to surfaces better. It was designed to reduce the moment of inertia in moving parts and protection of high impact surfaces Not recommended for use on slides.Suggested application:Placed in hammer hooks Sear tip and pressure pads / contact points The sear spring tip Upper and lower locking lugs on the barrel Also suggested for use on the hammer strut contact point with the cup for the hammer spring.