Description Factory Ruger Mark IV 4 Firing Pin Will fit anything** MARK, yes, even Mark I, II, III **however the very early years of production (’49-’52) could differ, so look closely to be certain if that is your case We have been solving some LIGHT STRIKE issues with these new pins in older pistols Part #9 in Standard Mark IV manual, #7 in 22/45
Factory Ruger Firing Pin Mark 4 IV *C1
Black Onyx TA74 Aluminium Self Adhesive L-Shape Nosing
Red Terracotta TA64 Aluminium Self Adhesive L-Shape Nosing
Noir Granite TA73 Aluminium Self Adhesive L-Shape Nosing
Dusky Slate TA71 Aluminium Self Adhesive L-Shape Nosing