Molla originale Gamo per carabine modelli CFX (anche ATS), CF20, CF30 ATS, Big Cat CF, CSI Camo, Hunter 440/440 ATS/Camo, Magnum 3000, Maxima (anche ATS), Multishot, Socom 1000/Carbine/Tactical, Shadow Silver, Shadow 1000, Shadow 1000 ATS, Shadow Matic, Shadow RSV, Shadow Sport, 1250, CSI, Viperskeet, ViperDesert e ViperExpress 5,5, Replay 10 cal. 4,5 e 5,5.
Dimensioni (tolleranza +/- da 0,1 a 1mm) :
Diametro interno 13,1mm;
Diametro esterno 19,4 mm;
Numero spire 35
Spessore spira 3,00mm.
P. 100g.