Ismi G21/G23/G32 Magazine Spring For Glock~
Ismi G21/G23/G32 Magazine Spring For Glock~, Wound with high tensile, chrome silicon wire that's shot peened, heat treated, then stress-relieved for the longest service life possible, without cracking or failure. Fits Glock 19, 21, 23 and 32, Law Enforcement, high capacity magazines. 10% Extra power. Mfg: Ismi SPECS: Chrome silicon steel wire.