Macavity Arms MA3 PCP Air Rifle Precharged pneumatic Sidelever cocking Externally-adjustable regulator MSR (Master Select Rifling) barrel is rifled, choked, tensioned, and shrouded 1/2-20 UNF threaded muzzle Includes modular baffled moderator Beech thumbhole stock Upgraded 55cc regulator chamber 188cc air cylinder (Standard), 265cc (Long) 3,625 PSI/250 BAR max. fill pressure Magazine capacity: 11 rounds (.22), 10 rounds (.25), 8 rounds (.30) 2-stage adjustable trigger Checkered grip Rubber buttpad Picatinny/Weaver optics rail M-LOK bottom rail Dual gauges for regulator and reservoir pressure Manual safety Quick-disconnect sling mount in rear of stock Includes 3 rotary magazines Barrel length: 18" (Standard), 22" (Long) Overall length: 36.9" (Standard), 40.9" (Long) Weight: 7.2 lbs. (Standard), 7.6 lbs. (Long) 3-year limited warranty