I believe that this is a "shape" check for the very end of the firing pin, to ensure that it has not been deformed by firing or dry firing or some other misuse... Any sharpness in this area could lead to pierced primers... not a safe condition in any gun.
__________________
regards, -John S
"...We hold these truths to be self-evident that ALL men are created EQUAL and are endowed by their Creator with certain UNALIENABLE rights, and among these are life, LIBERTY, and the pursuit of happiness..."
|