Clean it, change ammo, change seals, take it to a gunsmith. Clean and lube all moving parts except keep the gas system dry. Oil on the gas system will gum up very quickly.
There are many different types. There are pistols, rifles and shot guns. Pistols can be semi auto or single shot or a revolver. Rifles can be semi auto or full auto or bolt action or single shot or lever action. Shotguns can be semi auto or pump or single or double shot.
1200,1300,1400,1500
The M1014 is the Benelli M4 Tactical. It is available only in semi auto. The Benelli M3 is the closest thing you'd find - it has the "dual action" feature, to where it could operate either in semi auto or pump action mode (in a similar manner to the Franchi SPAS 12). Additionally, Benelli has a whole line of pump action shotguns (the Nova series) which will share some commonality with the M1/M2/M3/M4 shotguns.
Lever action, pump action, semi-automatic, etc.
All of their semi-auto shotguns are gas operated, yes/ All of their semi-auto shotguns are gas operated, yes/ All of their semi-auto shotguns are gas operated, yes/ Not true. The Remington 11, 11-48, & 48 are all blow back operated. The 58, 878, 1100, and 11-87 are gas operated. All of there current models are.
A Franchi SPAS-12 Shotgun has both a pump-action and semi-automatic mode. Automatic in shotguns will generally reference semi-auto unless stated as fully automatic.
Bolt action and lever action rifles, pump, double and semi auto shotguns. One of the hottest handguns was the new .357 Magnum revolver, but the .45 auto was still popular.
The deciding factors will depend on your skill level, comfort with the operating system, how much you want to spend and type of shooting you will do.
The action is opened (bolt action, pump action, semi-auto, single barrel, double barrel SxS or O/U - the method of opening will depend upon the type listed) and a self contained cartridge is inserted either into the chamber directly, or into the tube magazine found on pump and semi-auto actions). The action is then closed and the shotgun is ready to fire.
Semi-auto requires the hammer to be cocked for the first shot.
30 inches. A longer barrel gives you better accuracy.
Yes, buy all your guns from airsoftgi.com, and if they don't have what you want, evike.com will.