Shotgun, Combat (3.5e Equipment)
From D&D Wiki
A shotgun made for combat situations. Comes with a 6 shot clip which costs 100gp for an extra one. (May buy a 12 shot clip for 500gp) and uses shotgun shells as ammo. Reloading the shotgun requires a full round action. The combat shotgun requires a special kind of ammo holder that must be prepared before reloading.
Modern Day Desc:A standard combat shotgun with a customizable clip. It's armored for enhanced resistance.
Standard DnD Desc:An incredibly strange clockwork weapon. Your not sure you've ever seen anything like it...