Rock Island Armory
OEM barrel for RIA 1911. The barrel is a 45 ACP caliber full size 5 inch model. Utilizing a clark/para/lissner ramp and featuring a threaded front end. Comes with textured thread protector as well as the link and pin installed. Diameter and Thread Pattern: .578-28.
This part will need to be fitted to your slide by a qualified gunsmith.
Examples of 1911 Barrel Ramp Types – click picture to enlarge
*These ramp type photos are not owned by Hooper Gun Works. They are used solely for educational purposes.