M&P .380 Shield EZ - POS or Not? in S&W (M&P, etc) Posted November 10 I am a little surprised that some of the 380 EZ Shield pistols are not cycling properly. Mine has run 100% in limited testing and it feels undersprung. I was thinking that adding about 2-3 pounds to the recoil spring would make it a bit less "EZ" to rack but also softer shooting. Further testing will have to wait until I can switch my reloading press over from 9mm to .380. I'm not going to pay $1.50/round panic prices for factory ammo!