The weapon can be found alongside Hunting Shotguns, with a 50/50 chance to find one. The weapon is also sold by the Gun Runners, and the weapon mods are sold in the same places as the mods for the Hunting Shotgun as well.

The weapon has three mods; Sawed-off Stock, Improved Parts and a Choke. The stats for the weapon and mods are below:

Trench Shotgun:
     DAM - 75 (9.3x8)
     DPS - 125
     AMMO - 6
     HP - 250 (325 with Improved Parts mod)
     WT - 8 (6 with Sawed-off Stock mod)
     VAL - 1000