Description Masai Mara is a lightweight high performance semi-automatic inertia powered shotgun featuring Retayâs Inertia Plus System, it is the worldâs most advanced inertia action. The Inertia Plus System eliminates misfires by ensuring the systemâs rotating bolt locks into the chamber under all conditions while at the same time preventing unintended disengagement. Retayâs Inertia Plus System ensures that your shotgun will be ready when called upon. The Mara barrel also features Retayâs proprietary Removable Ejector System, an 8mm vented sight rib, TruGlo front bead sight, and set of 5 interchangeable MaraPro choke tubes. Its Push Button Detachable Trigger Group comes with a generously sized trigger guard milled from solid billet aluminum with milled or wire EDM cut internal components with cross bolt manual safety. A MegaLine ABS fitted hard case with metal hinges, stock fit adjustment shims, sling swivels, gun oil is included.