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 1911 9mm/.38s/.40sw Firing Pin, Black $32.97 Colt Officer Conventional Recoil Spring 24lb. $14.97