I have a Springfield 1911 and after shooting a few reload i made the gun jams. I load the magizine and release the slid and the round does not chamber. It sits sllmost flat on the mag like it hasn't moved much at all. when pushed toward the chamber to remove the shell i feel resisdence like the mouth of the case catches on somthing. I have tried factory shells and have not had a problem at all. It always occures when the slide is relaesed for the first shot. My reloads are: 225 grain Speer hollowpoints, cases are once fired CCI brass. Oal is 1.21, 7.1 grains of power pistol and cci primer. I think it may be a case of not crimping enough, crimping is a pain to adjust on my rcbs dies. Any way any suggestions would be appreciated.