Quality aftermarket CNC machined single stage replacement RSA for Glock generation 1, 2 and 3 pistols. If you have a Glock Gen 4 pistol you will also need the GG4A guide rod adapter.
Austrian/US Glock Pistols
The completely assembled drop in unit includes a heat treated, shot peened and stress relieved premium flat wire spring with a modified button head cap screw and black nylon washer. Black screws are hardened alloy steel and polished screws are stainless steel. The Brass Stacker guide rod has a 100% lifetime warranty and the ISMI recoil spring has a one year replacement warranty. Both are made in America.
Free domestic shipping.