IWI TS12B: IWITAVORA(R) TS12a Finish: Blacka Reinforced polymer bullpup stock configuration a Short-stroke gas piston system with 2-position gas regulator a Configure for either right or left side ejection & operation a Feed & unloaded from either side a Feeds from one of (3) magazine tubes (15+1 total max capacity) a Each tube holds four 3-inch shells or five 2.75-inch shells a Automatically loads a round in the chamber once the subsequent loaded tube is rotated into position a Four sling attachment points a M-LOK compatible rails a Continuous Picatinny top rail a Accepts Beretta & Benelli chokes a Cross-bolt safety a OAL: 28.34" a Wt.: 8 lbs.