ISMI Magazine Spring for 1911 Government

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. SSCS fits single-stack, 8 round .45 ACP and 10 round .38 Super magazines. SSCS2 is for use with plastic and metal followers that require a narrow magazine spring. 7 or 8 round capacity depending on follower. SS10 fits 10 round .45 ACP magazines. Do not use with Wilson Combat plastic followers.