My Kimber always jams after my first / 2nd or 3rd shot. i am using a 115 gr ammo. (Blazzer, PMC, Winchester, Tula - all FMJ.
changed 12 lbs recoil spring
Metalform Magazine 1911 Government, Commander 9mm Luger 9-Round Steel Blue Flat Follower Removable Base
Product #: 261449 midway
Mec-Gar Magazine 1911 Government, Commander 9mm Luger 9-Round Steel Nickel Plated
Product #: 765683 midway
changed 12 lbs recoil spring
Metalform Magazine 1911 Government, Commander 9mm Luger 9-Round Steel Blue Flat Follower Removable Base
Product #: 261449 midway
Mec-Gar Magazine 1911 Government, Commander 9mm Luger 9-Round Steel Nickel Plated
Product #: 765683 midway