The ISMI recoil springs can be used to replace a worn factory spring or tune your recoil spring to a particular load in you S&W M&P. Springs are constructed of a chrome silicon alloy.
Force: 13 Pounds
aztecharmory
The ISMI recoil springs can be used to replace a worn factory spring or tune your recoil spring to a particular load in you S&W M&P. Springs are constructed of a chrome silicon alloy.
Force: 13 Pounds