for people using factory 308 or something that may be true.
look at all the sfp lfp pierced primer issues though. Couple good jets of gas can erode your firing pin tip, then you may want that spare part. Maybe that just happens on lesser rifles though.
look at all the sfp lfp pierced primer issues though. Couple good jets of gas can erode your firing pin tip, then you may want that spare part. Maybe that just happens on lesser rifles though.