Ismi Para-Ordnance High Capacity Premium Magazine Springs
Ismi Para-Ordnance High Capacity Premium Magazine Springs, Wound with high tensile, chrome silicon wire thatX'Xs shot peened, heat treated, then stress-relieved for the longest service life possible, without cracking or failure. Fits 19 rd. .38 super; 13, 12 and 10 rd. .45 ACP high capacity magazine tubes. Requires trimming to fit shorter magazines. Mfg: Ismi SPECS: Chrome silicon steel wire.