Testing the Winchester Big Bore ammunition in a 10% Clear Ballistics test from 4" revolvers. The .357 Magnum is a 158 gr SJHP rated at 1,460 FPS and the .44 Magnum is a 240 gr SJHP rated at 1,485 FPS. Always appreciative of any channel help :) https://www.patreon.com/user?u=5828221
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