9mm follower includes adapter plate.. Mag pads and caliber specific followers fit STI magazine tubes only. Fits STI SVI & McCormick high capacity frames only. Replacement followers base pad and base pad retainer plate fit STI high capacity magazine tubes only. Black polymer base pad and retainer plate; low friction nylon follower. Mag pads and caliber specific followers fit STI magazine tubes only. TIG welded, heat treated, stainless steel bodies hold up to competition use without cracking or failure. Carry Mag Pad and 170 Mag Pad (not included with replacement tubes) can be used on both 140mm and 170mm tubes and still be legal for USPSA competition. 9mm follower includes adapter plate. TIG welded heat treated stainless steel bodies hold up to competition magazines magazine bodies & components magazine spring 170mm use without cracking or failure.

Carry Mag Pad and 170 Mag Pad (not included with replacement magazines magazine bodies & components sti magazine pad 170mm black tubes) can be used on both 140mm and 170mm tubes and still be legal for USPSA competition. 140mm Spring is caliber specific 170mm Spring is univers High capacity components to rebuild your damaged magazines so they work just like new. 140mm Spring is caliber specif. Magazines magazine bodies & components magazine spring 140mm/ Fits STI, SVI & McCormick high capacity frames only. TIG welded heat treated stainless steel bodies hold up to competition use without cracking or failure. All springs are tempered music wire and fit STI bodies without trimming. All sti magazine components sti magazine follower 45 acp springs are tempered music wire and fit STI bodies without trimming. Complete mags come with Polymer base pad and nylon follower for flawless feeding. Magazines, magazine bodies & components 45 cal 140mm 15 rnd magazines All springs are tempered music wire, and fit STI bodies without trimming. Fits STI SVI and McCormick high cap frames only.

Complete mags come with Polymer base pad and nylon follower for flawless feeding. Retainer plate sold Complete, magazines magazine bodies & components sti magazine follower 45 acp high capacity magazines or high quality components to rebuild your damaged magazines so they work just like new. Complete high capacity magazines or high quality components to rebuild your damaged magazines so they work just like new. Base pads on carry mags and magazines, magazine bodies & components 45 cal 140mm sti replacement 170mm mags can be used on both 140mm and 170mm tubes and still be legal for USPSA competition. Mm follower includes adapter plate.