We tested it—see the highlights and what to expect in real operation. In this video, we demonstrate the precision machining capabilities of NISUNTOOLS chamber reamers, showing how these tungsten steel and carbide tools perform in CNC applications for gun rifle chambers. Watch as we explain the differences between HSS and carbide options, showcase the smooth cutting action of hand-stoned premium reamers, and discuss key considerations for SAAMI/CIP specifications and custom applications.