Ed Brown Products Recoil Spring, Smith & Wesson M&P/ M&P 2.0, 9mm Luger, 15lb Recoil Weight, Black, MP-FW-15

0 9mm. The Ed Brown Fueled M&P models are equipped with 15# recoil spring as standard. The longest lasting handgun recoil spring made up to ten times greater service life than a conventional coil spring. Recommended spring replacement at 30000-40000 rounds.