N2AirJun sent me this about the stop pin size (see below) N2AirJun Sent 2 days, 23 hours ago Hi Crutcherro1, Since the thread was a bit old, I thought I’d answer here. I did the same as you, using FX No-Limits Mounts for my Gamo Mach1. The mount locks down, but I didn’t want to take the...