Hatsan Gladius Bullpup* Precharged pneumatic power with side-lever cocking action Ambidextrous bullpup thumbhole stock design with "EasyAdjust" comb Overall length: Bullpup 34.4" / Bullpup Long 38" Barrel length: Bullpup 19.4" / Bullpup Long 23" Weight: Bullpup 10.2 lb / Bullpup Long 10.6 lb Rubber buttpad adjusts for elevation and fit angle Detachable 255cc air cylinder with integrated pressure gauge Rotary magazine: .177 10-rd, .22 10-rd, .25 9-rd Manual and automatic safety Anti double-feed Anti-Knock System prevents wasted gas Fully adjustable 2-stage Quattro Trigger System On-board storage for 3 additional rotary magazines Quick fill nozzle and air cylinder discharging cap External power adjustment knob for low setting 1, through high setting 6 Picatinny accessory rails Integrated suppressor Adjustable length of pull Removable air cylinder Optimal shots per fill short version:.177 cal. = 55, .22 cal. = 50, .25 cal. = 45 Optimal shots per fill long version: .177 cal. = 48, .22 cal. = 38, .25 cal. = 35 Muzzle energy short version: .177 cal. =22 fpe, .22 cal. = 31 fpe, .25 cal. = 34 fpe Muzzle energy long version: .177 cal. = 27 fpe, .22 cal. = 38 fpe, .25 cal. = 42 fpe Includes: Durable, hard plastic case, 4 magazines, and custom sling (scope not included) *The Gladius Long version features an extended barrel for those looking for both increased accuracy and energy upon impact.