Some of these may date to the 1500s. The double barreled gun was simply two regular barrels, joined by solder. A later form from Germany in the 1800s consisted of 2 shotgun barrels plus a rifle barrel- known as drillings, from the German word for 3.
Yes
The first automatic rifle was invented in 1884. It was invented by Manuel Mondragon. The rifle was known as the Mondragon rifle later to be known as the M-1908.
No, according to RCW 9.41.190: "It is unlawful for any person to manufacture, own, buy, sell, loan, furnish, transport, or have in possession or under control, any machine gun, short-barreled shotgun, or short-barreled rifle; or any part designed and intended solely and exclusively for use in a machine gun, short-barreled shotgun, or short-barreled rifle, or in converting a weapon into a machine gun, short-barreled shotgun, or short-barreled rifle; or to assemble or repair any machine gun, short-barreled shotgun, or short-barreled rifle." You can thank the assault weapons ban for this. There are exceptions though: http://apps.leg.wa.gov/RCW/default.aspx?cite=9.41.190
Austria invented the first air rifle in the 1500's. The BB rifle was invented in the USA.
Germany invented the first assault rifle-the Sturmgewehr or STG
It is a heavy barreled varmit rifle
Oliver Winchester made the first Winchester Rifle(repeating)
It is believed that sniper rifles were invented around 1857 with the advent of the Enfield rifle. This rifle was then surpassed by the Whitworth rifle which became the first long range sniper rifle.
The term ''short-barreled rifle'' means a rifle having one or more barrels less than sixteen inches in length and any weapon made from a rifle (whether by alteration, modification, or otherwise) if such weapon, as modified, has an overall length of less than twenty-six inches. Federal FIrearms Act regulations prohibit any long-barreled firearm from having a barrel shorter than SIXTEEN inches.
The first anti-tank came out when the first tank was fielded, in WW1. It was a bolt action rifle.
It is Black Powder, and Hawkin. It was a short barreled, large caliber muzzleloading rifle first made by a gunsmith named Hawkin.
Yes, once you've obtained an NFA permit for it.