Alpharms Inertia One HD 01SA1218S Shotgun 12ga 3" 18.5" 5+1 Semi-Auto Pistol Grip

This Alpharms Inertia One HD semi-automatic shotgun is a 12 gauge model featuring an 18.5-inch barrel, synthetic pistol-grip configuration, and chambering for 3-inch and shorter 12 gauge shells. It uses an inertia-operated system with a rotating bolt, synthetic furniture, and a cross-bolt safety, offering a compact option for defensive or general-purpose use. The shotgun has a 4+1 capacity, adjustable rear sight with a fiber-optic front sight, a receiver-mounted Picatinny rail for optics, four included choke tubes, and a recoil pad.

• 12 gauge inertia-operated semi-auto with rotating bolt
• 18.5-inch barrel, synthetic stock and pistol grip
• Adjustable rear and fiber-optic front sights with rail

Overall, the Inertia One HD provides a compact, optics-ready semi-automatic 12 gauge platform with user-selectable choke options. Its combination of inertia action, pistol grip ergonomics, and adjustable sights makes it suitable for a range of defensive and general shotgun roles.