Smith & Wesson M&P 9mm .40/.357 Recoil Spring 14lb. $14.97 14lb. reduced power recoil spring for the M&P 9mm, .40 S&W and .357 Sig. 53214 Out of stock Categories: Smith & Wesson, Wolff Gun Springs Related products Colt Government 1911 Conventional Recoil Spring 13lb. $14.97