Mag release was unusable due to the part dropping down into the mag release well. I tried a Wilson combat release with the same result. Sent the pistol back and a bunch of parts were polished but the broken mag release was not addressed. I don't know what to do. according to the company it was test fired but I don't know if I want to shoot it or notCDo User's recommendation: If you buy a Kimber on line and something is wrong send it back right then.