The Gamo 10X GEN3i Inertia Fed Quick-Shot Magazine is designed for .177 pellet airguns with a 10-round capacity for extended shooting sessions.Gamo 10X GEN3i Inertia Fed Quick-Shot Magazine.177 pellet caliber compatibility10-round ammunition capacityInertia-fed mechanism for reliable feedingQuick-shot design for rapid follow-up shotsIdeal for airgun enthusiasts seeking reliable magazine performance and quick reloading capabilities for target shooting and pest control applications.