In the Manufacture of Barrels, American Screw & Barrel offers several Bimetallic Inlays for types of applications that require:
Tool Steels and Nitralloy 135 (mod) are other alternatives depending on your Processing Application.
For your current Barrel, Resleeving and Honing are offered for cost-effective ways to improve productivity. Inspections need to be performed to determine if these are options that will improve your current application.