Calibre: 9mm x 19 STI/SV/SPS Magazines, with spacer installed

Package Includes: Grams S2 Follower and 11 coil spring

For use with STI Magazines with spacer plate installed, that measure up to 145mm long, with base pad attached. The Follower lit is pre-tuned and requires no modification for proper feeding function in a magazine tube of correct tolerance and a spacer plate (for the 9×19 catridge), installed inside the back of the mag tube. The follower is designed for slide-lock function, but due to tolerance stacking, material from the slide-lock paw, follower or both may need to be removed for proper function. Tuning of the mag tube may be required if the desired reliability or round count is not obtained. Do not hesitate to contact us if you require a gunsmith for installation.