This is our new 1911 Colt Style 5 inch Standard Government length recoil spring end cap. This one our…Standard flange end cap with United States Marine Corp LOGO on front, .090 end cap catch boss to match-up with our standard flange Stylebushings.NO MiM, All made from solid Stainless Steelbar-stock and CNC machined. Top Quality professional Gunsmithing part, Made in the USA.