High capacity components to rebuild your damaged magazines so they work just like new. 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. Replacement followers, base pad, and base pad retainer plate fit STI high-capacity magazine tubes only. 9mm follower includes adapter plate.
SPECS:
410 stainless steel tubes. Fits STI, SVI, and McCormick high-cap frames only. Base pads on carry mags and 170mm mags can be used on both 140mm and 170mm tubes and still be legal for USPSA competition. Black polymer base pad, and retainer plate; low-friction nylon follower. Retainer plate sold singly or in 5-pak.
Catalog page 112, 114