Quote Originally Posted by Dave Hoback View Post
Not sure I follow. What washer are you referring to? The BAS is the screw. (BAS = Bolt Assembly Screw). What other screw is the reference? The BAS must be shortened, otherwise the extra length of the plate & BB would preload the firing pin spring WAY to much! Possibly even bind the coils.
Dave, some have used a washer under the stock bas screw to move it back to avoid machining the screw.