Colt Government 1911 Variable Recoil Spring 20lb. $16.97 20lb. variable (progressive rate) recoil spring for the Colt Government 1911 and like pistols with 5″ barrel. 42420 Out of stock Categories: Colt 1911, Wolff Gun Springs Related products Colt 1911 Pin Kit, BL $54.97 Colt 1911 Slide Lock Tool $59.97