Hatsan's Factor RC is designed with competition and customization in mind. Available in 3 calibers .177 .22 and .25 this new PCP (pre-charged pneumatic) air rifle is packed with customizable options. Check out these standard features included on the Factor RC: 3-power adjustable transfer port reversible cocking lever for ambidextrous operation externally adjustable hammer preload externally adjustable pressure regulator Quattro 2-stage adjustable match trigger 5-position telescoping stock with 9-position elevation adjustable cheek rest which can be easily swapped with commercially available MSR options. Shooting at 1100 FPS with lead-free pellets (.177 cal) and up to 33.5 FPE (.25 cal) the Factor RC has the power you need. Want more? This new PCP also includes a trigger pad that can be moved vertically and rotated left or right for precision and comfort and the 23" long precision rifled barrel includes a A 1/2" UNF threaded muzzle to allow a larger sound moderator or air stripper to be added without any extra modifications. For ultimate power performance customization and competition - the Factor RC is it!Features: Repeating side lever action pre-charged pneumatic (PCP) air rifle Available in .177 .22 & .25 calibers Reversible cocking lever for ambidextrous operation 3-power adjustable transfer port Externally adjustable hammer preload QuietEnergy fully shrouded barrel with integrated sound moderator 1/2" UNF threaded muzzle Precision rifled and choked barrel Detachable caliber-specific magazine 580cc detachable carbon fiber bottle - spare bottles available Built-in pressure gauge to monitor cylinder pressure 5-position telescoping stock with 9-position elevation adjustable cheek rest Ergonomic soft rubber pistol grip Aluminum receiver with integrated combination Picatinny / Weaver / 11mm Dovetail optics rail Removable Picatinny accessory rail for bipod Black metal trigger with vertical and angular trigger shoe adjustment Patented anti-knock system prevents discharge when the rifle is knocked or bounced Manual safety switch Foster style quick disconnect fill inlet Externally adjustable pressure regulator Additional pressure gauge to monitor regulator pressure Weight - Gun Only - 7.9lbs Max Velocity - Lead-Free Pellets - .177 cal - 1100 FPS .22 cal - 1000 FPS .25 cal - 900 FPS Max Velocity - Lead Pellets - .177 cal - 1010 FPS .22 cal - 950 FPS .25 cal - 870 FPS Max Muzzle Energy - .177 cal - 19.5 FPE .22 cal - 29.5 FPE .25 cal - 33.5 FPE