Gamo Mach 1 pigman edition Cal 177 the Mach 1 replaces the standard spring power plant with an Inert gas cylinder. But the I get Mach 1’s monster 33 millimeter cylinder delivers more velocity and terminal penetration. The pneumatic cylinder Rockets pellets up to 1420 feet per second in 177 caliber with PBA Platinum ammo. The Mach 1 pigman edition line also offers the exclusive cat (custom action trigger) technology which allows Gamo air rifle owners to be able to independently adjust the 1st and 2nd stages of their trigger. This air rifle also features RRR (Recoil reducing rail) technology, developed to subdue the taxing stresses placed on your scope from the intense Recoil of air guns and High-powered rifles. – the Mach 1 pigman edition includes: – fluted polymer jacketed rifled steel barrel – rubberized grips – all-weather black stock. – fiber optic front and rear sights – custom action trigger (cat) – RRR (Recoil reducing rail) – shock wave absorber (SWA) – fiber optics front and rear sights – 3-9×40 scope Mach 1 pigman edition – velocity: 1420 FPS with PBA Platinum (.177 Cal.) – velocity: 1020 FPS with PBA Platinum (.22 Cal.) – 33 mm cylinder, high power plant – single shot. – break barrel: single cocking system – trigger: two stage adjustable cat (custom action trigger) – safety manual.