Short of bribing a Russian soldier somewhere in the Ukraine, Drive Tanks of Uvalde, Texas is the only place civilians can shoot a round from a working tank. Your choice of an American M4A2E8 Sherman medium tank or a Russian T-34/85 tank. That would certainly be a high-caliber feather in the average shooter’s ballistic cap. Meanwhile, what’s the biggest — in terms of caliber or size — gun you’ve ever shot? And check out the ten most powerful modern tanks below. Fearsome stuff.