Seeing how the power factor is 125 I am thinking about using my G20-10mm with 135gr@ 1000fps for a nice light recoiling load to compete with the 9mm crowd.
Is anybody using downloaded 10mm in production class, and if so, what are the loads & recoil spring combinations their using?
Is anybody using downloaded 10mm in production class, and if so, what are the loads & recoil spring combinations their using?