A choke is a small reduction in the inside diameter of the barrel, very near the muzzle. The choke squeezes the shot together, resulting in a more dense pattern of shot, and increasing the effective range somewhat.
They don't. They are shot by PEOPLE that are using guns.
Yes chokes are designed to tighten shot patterns.
50-100 usd
Depends on what it is choked and what load you want to shoot.
Depends on what it is choked.
Needs to be examined by a gunsmith. Answer will depend on what it is choked.
it means you "spank the monkey"
They made lefever shot guns starting around 1878 and ending in 1921.
Depends on what the barrel is choked.
on certain guns you can change the rate of fire most guns have safe, semiautomatic (single shot) and fully automatic (rapid fire). some guns have burst fire from 2 to 5 shots
Rifles, hand guns, shot guns, sub machine guns.
Your question is a oxymoron. Pneumatic BB guns are single shot. Machine guns are Multi shot. There are several C02 driven BB machine guns