Rock Island Armory barrel for a 1911. The barrel is a ramped .45 ACP caliber full size 5 inch model. It is a one piece CNC machined barrel and features a parkerized finish. Comes with link and pin. This part will need to be fitted to your slide by a qualified gunsmith.
This is a ramped Barrel. It features a clark/para/lissner ramp. It may only be used with a frame that accepts a ramped barrel. *Note that it doesn’t not work with frames cut for the Wilson/Nowlin ramp.