well the "cal" bit means how powerful the gun is so 17.cal will not be very powerful so it might be used for shooting a bird at close range or target shooting
Yes
There is a .45 cal. Liberator pistol that was cheap to manufacture and was used to disarm someone with a better firearm.
Not in the public domain
Most ammunition will only fire, without damaging the firearm, it was designed to be used with
No. They are not designed to fire a 17 cal bullet
A .70 calibre would be around 17.78mm. No such cartridge exists.
Try e-gunparts.com
$25-$50. Low value firearm.
Not usually, but it depends on the specific firearm and magazine you are asking about.
Brand name is LORCIN. Generally, low cost firearm of indifferent quality, value between $50-$75. If the firearm is marked .22 LR, then it uses .22 Long Rifle ammunition.
A Phoenix 25 would use 25 Auto.
I believe its the Glock 17.