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 Remington 1100 & 11-87, 12ga. Barrel seal O ring. $7.50 AR15/M-16 5.56/.223 Std Power Buffer Spring $24.97