SUAREZ CAPTURED RECOIL UNIT FOR GEN 4 GLOCK 17
Factory weight custom springs with an easy to change and maintain system on a heavier recoil guide rod. Results are far smoother cycling than the factory unit, and even a degree of recoil and muzzle flip reduction. And at the best price on the market.
Fits Gen 4 Glock 17, 22, 34, 35