colt diamond back is was made in 22lr & 38 special.with a ventilated rilb barrel.
the colt trooper was chambered in 357mag. without a vent rib barrel.
100-1000 USD
100-1000 depending on specifics
A revolver has a rotating chamber that houses the bullets a pistol has a "clip" or "magazine"
About $500
the suppressor
Try your local gunsmith or call/write Colt Mfg. Co.
The pistol does not have a permanently attached stock- and it is a lot harder to control. The pistol is one handed, the gun two.
The difference is that a pistol has a magazine and a revolver has a rotating cylinder that has individual chambers to shoot
There is no difference. ACP stands for Automatic Colt Pistol.
A regular pistol is a firearm. It uses gunpowder to fire a bullet. An air pistol uses compressed air to fire a pellet with less velocity than a firearm.
The 9mm Parabellum is longer than the .380 ACP (also called the 9mm Short) They do not interchange.
You will have to be more specific for this question to be answered. For example, you might ask "What is the difference between a Nambu pistol and a Colt pistol". But the question cannot be answered in the form you ask it. Take some time to ask correctly please.