GAMO SWARM MAGNUM PRO GEN3I .177

Updated August 9, 2026

Gamo USA, Swarm Magnum Pro G3i Inertia, Air Rifle, .177 Pellet, 1650 FPS, 21" Barrel, Includes Gamo 3-9x40 Scope, 10 Rounds Warning ACTION: 10X GEN3i Ten-Shot, Auto-Loading Technology., Upgraded Inertia Fed Technology POWERPLANT: IGT Mach 1 Inert Gas Technology gas piston (33 mm cylinder) TRIGGER: Two stage independently adjustable CAT (Custom Action Trigger) Product Description Inertia fed. Market leading design. Introducing the third generation of Gamo's exclusive rapid-reload technology. This patent-pending 10X GEN3i technology features a sleek and stylish design combined with Gamo's horizontal inertia fed magazine integration. The magazine indexes using the inertia force from the recoil of the air rifle, creating a smoother and more

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