SI Shock Buffer for GLOCK™
The SI GSB is a polyester based thermoplastic polyurethane barrier that is uniquely designed to absorb recoil. The GSB was designed to increase durability between the areas of the metal slide and polymer frame while also decrease the amount of overall wear.
COMPATIBILITY: GLOCK™ GEN3 only
NOT COMPATIBLE: GLOCK™ GEN1-2, GEN4 or GEN5