Air Arms S510XS Take Down Rifle, Regulated, Tactical Model PCP 250 BAR (3625 PSI) max fill pressure Regulator Output Pressure: 150 BAR / 2175 PSI Ultra lightweight Fully Regulated Unique fast assembly & take down 2-stage adjustable match grade trigger with safety Accessory rail Fully shrouded Lothar Walther barrel Smooth side lever cocking mechanism Built-in power adjuster Vertically adjustable butt pad Integrated Q-Tec moderator Built-in manometer Case dimensions: 36"(L)x14.2"(W)x5"(H) Includes hard case, two magazines and fill adapter threaded to 1/8" BSPP male