Smith & Wesson M&P 9mm .40/.357 Recoil Spring 19lb. $14.97 19lb replacement recoil spring for the M&P 9mm, .40 S&W and .357 Sig. 53219 Out of stock Categories: Smith & Wesson, Wolff Gun Springs Related products Colt Government Conventional Recoil Spring 12lb. $16.97