LAV and big guns?

So....does this require a tax stamp?

Testing something big for Bravo Company USA and Aimpoint... #bcm #aimpoint #badass #youaintseennothingyet #bigger #biggerisbetter #comingsoon #merrychristmas

A photo posted by Larry Vickers (@vickers_tactical) on Dec 26, 2015 at 10:19am PST