Gen4 Glock Stainless Steel Recoil Guide Rod Spring Assembly for G 17 22 31 34 35 Gen4 Generation 4 15 Lbs
Stainless Steel Guide Rod Assembly is a complete drop in unit. 15lb ISMI Spring Fits Gen 4 Glock models: 17 22 24 31 34 35 Reduces felt recoil and muzzle flip, for faster shots.