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