specification CALIBER 4.5mm(.177)/5.5mm(.22)/6.35(.25) VELOCITY Cal 4.5 0.55g pellets 1000fps,approx. 70 shots at full power Cal 5.5 1.0g pellets 1000fps,approx 50 shots at full power Cal 6.35 2.0g pellets 900fps,approx. 40 shots at full power SAFETY Manual safety,ON 2~6 Lbf/OFF 1~5 Lbf CONSISTENT VALVE Default not included,but optional WEIGHT 3.75kg TRIGGER 1-5Lbf L*W*H 790*40*200(mm) MAGAZINE 4.5mm(.177) holds 13 pellets 5.5mm(.22) holds 11 pellets 6.35mm(.25) holds 9 pellets FILL PRESSURE Max.20MPa