KEL TEC KSG Mag Bolts have Changed. See New Style KSG Mag Plug Bolts vs Old Style KSG Mag Plug Bolts here. by MCARBO | Thursday, January 21, 2021 | 0 comment(s) It's hard to explain why KEL TEC made the change but the good news is we have one tool that will fit both Old and New Style Mag Plug Bolts on the... no categories. Read More Comments View All 0 Comment(s). You must be logged in to post comments.