Patent ID: 7377066

Claim:
An improved bolt face for a firearm of the type having a frame defining a longitudinally extending extraction chamber, a barrel having a bore adapted to receive a cartridge of a selected caliber disposed in the frame, a slide or bolt arranged to move longitudinally between a forward and a rearward position with respect to said frame and said barrel, said slide or bolt defining a breechblock portion having a longitudinal hole therethrough, a firing pin longitudinally slidable in said longitudinal hole to enable it to strike the cartridge when the slide or bolt is in the forward position, an extractor adapted to match the selected caliber of the cartridge, and an ejector fixed to the frame and extending into said extraction chamber, wherein said breechblock portion defines a semi-circular groove coaxial with said longitudinal hole and further defines an extractor recess, said firearm having a bolt face insert comprising a body defining a semi-circular rim adapted to removably fit into said semi-circular groove, said extractor disposed in said extractor recess and arranged to retain said bolt face insert, said body having a breechblock side facing said breechblock portion and having an oppositely disposed bolt face side facing the extraction chamber when the insert rim is inserted into the breechblock groove, and said bolt face side of said body adapted to match the selected caliber of said cartridge.