The range testing of the Limbsaver Deresonator employed on a TC Encore 30/06 28″ Bull Barrel increasing the accuracy of same by dampening barrel vibrations is explored in this video… FortuneCookie45LCFortuneCookie45LC started posting videos on YouTube in 2012. He has been a Reloader and Shooter since 1969.
Rifle barrels do indeed vibrate and whip. And some barrels respond very favorably to barrel dampening devices. Here is the very inexpensive and simple Limbsaver Deresonator...