UMAREX AIRJAVELIN PCP PRO PCP ARROW RIFLE ONLY 370FPS. 4,500 PSI Max Fill Pressure. 7.4 CI Tank / 121.3 cc Capacity. Full Length Picatinny Rail on Top of Barrel. (3) 170 Grain Arrows Included. 370 FPS with 170 Grain Arrow. 25 Effective Shots Per Fill. SINGLE ARROW HIGH PRESSURE AIR PROPULSION SYSTEM 3-170GR CARBON FIBER SHAFT WITH 50GR FIELD TIP OVERALL ARROW LENGTH 31-34.5.