GAMO SWARM GEN2 INERTIA AIR RIFLE .22 BONE COLLECTOR The Gamo Swarm Gen 2 Bone Collector features a 3-9x40 scope that is both fogproof and shockproof. The fluted polymer-jacketed barrel delivers alloy pellets up to 1,100fps for use on small game and targets. The beechwood stock includes a non-slip texture on the grip and forearm to provide a stable hold. Includes a manual safety and automatic cocking safety system. The Gen 2 Bone Collector weighs 9.3 pounds.