Inertia fed. Market leading design. Introducing the third generation of Gamos exclusive rapid-reload technology. This patent-pending 10X GEN3i technology features a sleek and stylish design combined with Gamos horizontal inertia fed magazine integration. The magazine indexes using the inertia force from the recoil of the air rifle, creating a smoother and more precise breech loading process. This is Gamo. This is state-of-the-art rapid-reload technology.Features :ACTION: 10X GEN3i Ten-Shot, Auto-Loading Technology., Upgraded Inertia Fed TechnologyPOWERPLANT: IGT Mach 1 Inert Gas Technology gas piston (33 mm cylinder)TRIGGER: Two stage independently adjustable CAT (Custom Action Trigger)