Our best-selling R10 powered by HeliCoil already shoots true to target at breakneck speed the R10X now adds an extra 20 FPS to further enhance your speed and advantage. A newly designed stock includes an adjustable cheek pad and buttstock and integrates silent cocking. – Speed (400 gr.) 420 fps – Kinetic Energy 156 ft-lbs – Weight 6.8 lbs – Length 33 – Width (Cocked) 6 AXLE-AXLE – Width (Uncocked) 10.5 AXLE-AXLE – Power Stroke 11 – Powered by Helicoil Technology – Draw Force 12 lbs – Out-of-Box FULLY ASSEMBLED + PRE-TUNED