🤯10mm Rivals .44 Magnum in Revolvers?? - Underwood 180 gr XTP 

Testing the Underwood XTP ammunition in 10mm and .44 Mag. Both use 180 gr XTP bullets and the 10mm is rated at 1,300 FPS while the .44 Magnum is rated at 1,700 FPS. I do a 10% Clear Ballistics gel test. Always appreciative of any channel help :) www.patreon.co...