Depends on which gun. A decent average quality shotgun was about $15. If you will check with your local library, there have been a few hardback reprints of the Sears catalogs- earliest is 1896, another about 10 yrs later, and one from the 20s. Your librarian may be able to get a copy on inter-library loan. Back then, you could buy guns and ammo through the mail (and dynamite and blasting caps). See what the prices were at Sears. Fascinating peek at 100 yrs ago.
Machine guns.
In some states, yes. Some states still have laws in effect from the 1920s which ban Tommy Guns specifically by name.. I know Connecticut is one, and there may be others.
The same day guns are no longer needed at all.
They did not want too much weight so the planes could get back to base.
For some guns, in 1934.
it has 45 guns
200.00
$8.00
1.25 a night.
a back to africa movement
A monthly income like that was HUGE back in the 20s. Especially because of prohibition. 1000 dollars was almost as much as the annual income.
1,000,000,000 $