• FX Smooth Twist X Superior (STX) barrel system - Superior Heavy Liner Pre-installed
• Power Block
• Externally adjustable AMP MKII (Adjustable Match Precision) regulators
• Externally adjustable hammer spring tension with macro and micro adjustments
• Externally adjustable valve control
• Quick Tune System for virtually tool-free adjustments
• 250 BAR (3,625 PSI) max. fill pressure
• 580cc bottle
• Max regulator working pressure of 170 BAR
• Equipped with improved 75cc Power Plenum 750 - allowing for an even wider range of power adjustment
• .22 and .25 cal M4's feature Dual transfer ports - one optimized for pellets, one for slugs
• Male Quick Disconnect fitting
• Shroud is threaded 1/2x20 end
• Forward mounted reversible sidelever cocking
• Picatinny/Weaver optics mounting rail with 30 MOA compensation rides on 11mm dovetail allowing further customization to meet every shooters need
• Picatinny accessory rails below cylinder and on each side of the forearm
• New Quick Set Trigger - Adjustable match trigger
• Wika dual pressure gauges: one for air cylinder pressure, one for regulator pressure.  
• Height adjustable rubber buttpad
• FX UG1 AR15 style grip
• AR15 style manual safety
• Includes one magazine, fill connector, owners manual & hard plastic case
• Redesigned Side Shot magazine capacity*: 34 rds. in .177, 28 rds. in .22, 25 rds. in .25, 20 rds. in .30

Made in Sweden

Scope & mounts not included