Patent ID: 6571501
Filing Date: 2003-06-03
Classification: F41A

Abstract:
In a pistol caliber conversion assembly for use with a pistol frame having an ammunition housing occupied by multiple rounds of ammunition; a slide housing slidably mounted thereon, the improvement which comprises:a substitute slide housing composed of aluminum and having a movable barrel carried therein; a steel insert secured to said substitute slide housing; a guide rail arrangement cooperatively mounting said substitute slide housing on said pistol frame permitting rectilinear sliding positioning of said substitute slide housing on said pistol frame; a latch mechanism carried on said pistol frame adjacent to said guide arrangement effective to selectively engage with said steel insert for releasably holding said substitute slide housing in an open position exposing said ammunition housing after ejection of a last round from the rounds of ammunition; said latch mechanism selectively engageable with said steel insert whereby actuation of said latch mechanism selectively holds said substitute slide housing in said open position with respect to said pistol frame to expose said ammunition housing in response to firing and ejection of the last round of ammunition; and said insert and said latch mechanism are composed of steel and said barrel is composed of steel susceptible to being machined to reduce mass and therefore weight.