Brass Stacker GL20 ISMI Recoil Spring for Glock Full Frame Pistols, Black
Recoil spring for Glock Generation 1,2 and 3 G17, G22, G31, G20, G21, etc. full frame pistols is designed for reliable performance. ISMI recoil springs are heat treated, shot peened and stress relieved after winding. All components are Made in America. Recoil springs have a 12 month replacement warranty. 17lbs is the factory recoil spring weight.