Anyone in the area that can help with a tight 45ACP chamber?

[Huzar]

Got a 45 1911 that has a very tight chamber. It eats ball ammo just find but it is very tight. The way the hollow points are crimped you can tell that it's binding on the crimp. Comparing it to my other 1911's on a drop test (round into the chamber) you can tell it is tight. Does not need more then just a hair of opening up..... so anyone in the OC area with the equipment and know how as to how to get it done? And please do not say Bolsa.....