Putting Gorilla's new SILVERBACK ammo in 9mm and .380 through the test. Function, velocity, and expansion in water on the range. <a href="http://www.gorillaammo.com/silverback" target="_blank" rel="nofollow">http://www.gorillaammo.com/silverback</a> These are solid copper hollow points for defensive use Support the channel, get free stuff, join live streams, gain early access, and more! <a href="https://www.patreon.com/JeremyGunsGear" target="_blank" rel="nofollow">https://www.patreon.com/JeremyGunsGear</a> Support the channel, get free stuff, join live streams, gain early access, and more! <a href="https://www.patreon.com/JeremyGunsGear" target="_blank" rel="nofollow">https://www.patreon.com/JeremyGunsGear</a><br />...<br /><a href="https://www.youtube.com/watch?v=pAtvmOwk0gg" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=pAtvmOwk0gg</a>