ATS Clamp On Competition Tuner When you're on the clock

When you're on the clock and every second matters

Support barrels up to ~

more streamlined package

8125" diameter are not offered

Have you ever showed up to a match or a hunting trip with ammo that was shooting one ragged hole when you left and is now shooting completely different

ATS Clamp On Competition Tuner When you're on the clockThe new ATS Clamp on Tuner allows all the same great features of the current competition model but does not require you to modify your existing barrel or use your existing threads. The current model supports barrels from 1. 03 1. 05" in diameter One (1) set of shims available upon request for smaller diameter barrels. Please include shim size in notes at time of order. If you have a rifle with barrel diameter that you are interested in our clamp on