It was made in the 1970's You did not state the condition of the rifle so no estimate of value can be given. Average value $25
very little is written about this manufacture. All I can tell you is it started in 2005
This rifle is better known as a CZ model 618. They were manufactured in the Check Republic in the 1970's
The Slavia better known as a CZ (Ceska Zbrojovka) it was made in the 1970's. You did not state the condition of the rifle so I can't give you an estimate of value.
The Slavia 622 is a .22 caliber pellet rifle not a .177 caliber rifle. It is a single shot Break barrel rifle. The rifle is a spring piston shooting system. To load and cock the barrel you simply push the barrel down (Break the barrel) all the way until you feel it cock. Load a .22 caliber pellet into the rear of the barrel (Breech) and make sure it's snug flush with the barrel. Load it with the skirt facing out and the dome in the barrel. Then bring the barrel back up into position and let it snap into place. AIM FIRE!
The 620 is a 4.5mm or .177 caliber pellet rifle and is rated around 450 FPS.
It depends on the model, but it usually is on the barrel somewhere or the breech below where you load the pellet or BB.
All I can tell you is it was made sometime in the 1970's in the Czech Republic. you will need to give more information about the condition of the rifle to get an estimate of value.
It depends on the model, but usually it is right on the barrel or the receiver. If it is really old it may not have a serial number. For a time Benjamin and Sheridan did not serialise their rifles.
The Crosman 120 is a rifle not a gun. It is a break barrel. Cock the barrel all the way down and load a pellet into the rear of the barrel. Pull the barrel back up and it' is ready to fire.
This is a break barrel air rifle. Push the barrel down to open the breech and then load a pellet in the barrel. Pull the barrel all the way down to load the tension on the spring then close up the barrel. It's ready to shoot
Simple: With the Safety On. Slide a cleaning rod down the barrel to dislodge the pellet from the loading port. Yes there are cleaning rods for pellet guns. They are 177 caliber.
Not normally unless you are using the wrong size pellet. Example: you have a .20 caliber rifle and you put in a .177 caliber pellet. Then Yes it will fall out. Check the barrel of the rifle and see what size pellet it uses