Originally manufactured for the Sig Sauer 1911, this brand new mainspring housing will fit most 1911 style pistols. The flat mainspring housing features lightweight aluminum construction and a serrated pattern.
COLT | O FRAME
COLT | 1911 GOVERNMENT SERIES 70
COLT | 1911A1 GOVERNMENT SERIES 80
COLT | 1911 GOVERNMENT
COLT | GOVERNMENT 1911, 1911A1