357 Magnum VS 40 SampW Underwood Bonded Ballistic Test











>> YOUR LINK HERE: ___ http://youtube.com/watch?v=XajGsDchkW8

Testing out the Underwood Bonded ammunition in .357 Magnum and .40 S W in duty size guns. Both use a Gold Dot bullet and the .40 S W is a 165 grain while the .357 Magnum is a 158 gr. I use duty size guns and do a ballistic gel test with and without medium density fiberboard. Always appreciative of any channel help :) https://www.patreon.com/user?u=5828221

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