This is a SRM Arms known as the M1216 chambered in 12 Gauge 3", model SRM1216STB.
The SRM 1216 features a revolving magazine" ambidextrous receiver and controls" pushpin dissassembly and roller delayed action that provides fast cycling and reduced felt recoil.
Features:
Semi-Automatic
Roller Delayed Action
Revolving Magazine
Ambidextrous Receiver and Controls
