Benjamin Sheridan Marauder, 22PEL, Benjamin Marauder Air Rifle 10-Shot Repeater With Auto-indexing Feature Uses Compressed Air: 2,000 To 3,000 Psi (Make adjustments as Shown In The owner's Manual) Can Be Adjusted For Different velocities Internal Shroud makes This a Very Quiet Gun Choked Barrel delivers Superior Accuracy 2-Stage Adjustable Match Trigger...And The Trigger Is Metal! Raised Aluminum Breech For easier Loading Of Circular Magazine 11mm Dovetail grooves (Use Only 2-Piece Scope Mounts) Hardwood Stock With Adjustable Comb And Checkered Grip & Forearm (Stock Stain May Be Lighter Or darker Than Shown In Our images) Reversible Bolt -- Switch From Right To Left Side (With Our Special Service) Built-In Air Pressure Gauge (Manometer) 215cc Air Reservoir 42.8" Long* 8.2 Lbs.* Air Reservoir ends With a Male Quick-Disconnect Foster Fitting For Fast Refills (Requires a Female Foster Quick-Disconnect Adapter To Fill From a Scuba Tank Or Hand Pump) Includes One Magazine And Sling Swivel studs