338 ARC: Testing Hornady’s New Subsonic Thumper [BUILD]
Hornady has been on a roll the last few years with its line of ARC cartridges. The 6mm ARC, 22 ARC and now 338 ARC are all impressive new cartridges that don’t disappoint. But the burning question most of us have: Do they work as advertised? The 338 ARC intrigues me and I for one want…