For sale is an SRM Arms M1216 by SRM Arms - a unique, magazine-fed 12 gauge semi-automatic shotgun known for its distinctive rotating quad-tube magazine system. The M1216 features four detachable magazine tubes (4 rounds each of 2 3/4" shells) combined into a single rotating assembly, allowing for rapid reload capability and a total capacity of 16 rounds (or 12 rounds with 3" shells). Its compact bullpup-style layout keeps the overall length manageable while maintaining a full-length barrel. 1317118-CMM-JZ