• APS v2 HYBRID gearbox with QD spring change
• Railed top and bottom handguard with rubber covers
• Retractable stock with comfortable rubber pad
• Adjustable front and rear sight
• Metal Barrel Assembly, gearbox, buffer tube, magazine, switch, and pins
• 6.08 mm inner barrel
• 7 mm metal bushings
• Flip up front and rear sight
• 300 - 380 fps Adjustable