The Diana Stormrider Gen 2 PCP 22 Caliber Pellet Air Rifle is a bolt action, PCP air rifle with a synthetic stock and powerful integrated muzzle brake moderator. The Diana Stormrider Gen 2 PCP Pellet Air Rifle comes with a 2-year limited warranty as well as an 11mm dovetail mount and adjustable trigger.FeaturesNoteThe gauge location on the Synthetic Stormrider is at the front of the air cylinder.