Introduced in 2012, this variant of Model 500 series features FLEX TLS (Tool-less Locking System), which allows user a simple method of changing stocks, fore-ends and recoil pad. Chambered for 12- or 20-gauge and offered in Hunting and Tactical variations. Also available in Combo models with two barrels, one for hunting and one for home security: Deer/Security; Turkey/Security; Waterfowl/Security. Duck Commander has fiber optic sight, Realtree Max-5 camo finish on stock and fore-end, OD Green finish on metal parts, special engraving of Duck Commander logo on synthetic stock.