Slavia 631 model CZ 631. Engraved on the side of the barrel; "CAL 4.5", “610412”. Engraved on top: “CZ 631", "MADE IN CZECH REPUBLIC". It's a kink barrel air rifle caliber 4.5 mm with simple button/security on top, at the back, under the visor. For the gun to load you have to pull the knob (front - under the barrel), then the rifle opens very easily to load. When you close the rifle again, the safety automatically switches on, you can then easily take it off with your thumb (on the back - below the visor). The visor is of the brand "UMAREX" - "4 x 20" - "COATED" - "IMAGE MOVING". This air gun is in good working condition, with wear. Dimensions:-length is about 116 cm. and length of the barrel is about 83 cm. Take a good look at the many photos to get a good impression of the exact condition of the object. Will be packaged with great care and shipped with track and trace. Can also be picked up in Sint-Joris-Winge/Vlaams-Brabant/Belgium.