Videos tagged with HR-150A
How to Use A Rockwell Hardness Tester to Test the Hardness of a Mauser Rifle | MidwayUSA Gunsmithing
This guide details how to use a Rockwell Hardness Tester (Model HR-150A) to assess the heat treatment integrity of a Mauser Model 98 rifle action. Larry Potterfield, founder of MidwayUSA, demonstrates testing the bolt's front locking lug (approx. 35 HRC) and the receiver recoil lug (approx. 30 HRC), confirming the metal's original properties are intact for safe customization.
You've reached the end! 1 videos loaded.