Seneca Big Bore Light Hunter II air rifle Precharged pneumatic (PCP) Single-shot Rifled barrel (0.4516" to 0.4567" diameter) Bolt-action with longer cocking handle Fixed front sight Fully adjustable, removable rear sight Dual air chambers (500cc total air capacity) 3,000 psi max fill pressure Built-in manometer (pressure gauge) 11mm scope rail (use only compact scopes) 2 power levels (first bolt stop is low power, second is high) Up to 870 FPS with 180 grain slugs Up to 300 FPE with 180 grain slugs Up to 280 FPE with Seneca Air Bolts Hardwood Monte Carlo stock with checkered forearm & grip Raised right-hand cheekpiece Includes Male Quick-Disconnect Foster Fill Connection on rifle