The Russian MP-155 smoothbore multi-shot 12 gauge shotgun, manufactured by IzhMekh ("Izhevsky Mechanical Plant"). The gun weighs less than its predecessor MP-153 and features enhanced ergonomics and an easy-to-replace barrel mechanism. The new design also makes it easier to use for left-handed users.
Quest Rewards
1 can be obtained as a quest reward from Silent Caliber (Ultima variant)