12 ga. only, 2 3/4 in. chamber, utilizes a proprietary HE (high efficiency) gas system and bottom barrel technology to reduce recoil, bottom ejection, side loading, quick detachable trigger, 30 in. barrel features adj. carbon fiber vent. rib, includes Briley chokes and luggage travel case, checkered Claro walnut stock with adj. comb. Mfg. 2012-2013.