I've heard many of my viewers make comments that using longer (i.e. Glock 17 in a 19 or 19 in a 26...) mags in their Glocks can damage the magazine or lead to "over-insertion so we test the theory in a pretty extreme way here. Enjoy!
Link to the 1776 United shirt: http://1776united.com/collections/all-products/products/fear-the-people?variant=465255161
Glock magazines: http://shrsl.com/?~c5ut
Music by Youtube Creators & Machinima Sound