Well P - 361 spring & chrono.
In the original : Colt 1911.Measured with : 1/chrono : Umarex Combat zone 0,12 g BB , 2/chrono : Guarder high precision 0,20 g BB ,3/ chrono : Umarex Elite Force Premium 0,25 g BB .Distance : 4,5 m.Weight with magazine : 228 g.