This is a SRM Arms Magazine chambered in 12 Gauge, model SRM1216MSB.
This is a Rotary" Detachable high capacity magazine that holds 8" 12" or 16 rounds of either 2-3/4 or 3 inch shotshells. It fits the SRM 1216 and provides unsurpassed firepower" force multiplication" and tactical advantages.
Features:
16-Round Capacity
Quad-Tube Design
Revolving Magazine
