Tc breech plug Oct 9, 2023 16:49:50 GMT -5 via mobile Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by quest4170 on Oct 9, 2023 16:49:50 GMT -5 Group went from 1"to 5" at 100 yds flash hole in plug is .027 is that the reason for my groups getting bigger? Plug it always clean powder and bullet is always the same