At 11:21 AM on 24 November 1963.
He bought it by mail-order in March of 1963.
Purchased by mail from Klein's Sporting Goods, Chicago, IL
the rifle, a mannlicher-carcano rifle, is in the US national archives.
No, not a retail pneumatic rifle. If there were, it would likely be illegal, or at least restricted.
Where Can I Buy A Clip For A1966Enfield Rifle Where Can I Buy A Clip For A1966Enfield Rifle
18 to buy a rifle or shotgun, 21 to buy a handgun or assault rifle.
No, you do not need a licence in Florida in order to buy a rifle.
yes
Have never heard of an underwater assault rifle. In the US, you must be 18 to buy a rifle, and 21 to buy a fully automatic rifle.
You would have to first define what a "commando rifle" is.
One can buy the M1 Garand rifle from 'CMP Sales'. Their website has pricing details for the rifle, details of where you can find a store to purchase and what are the requirements to be allowed to buy one.