Not possible to answer this the way it is phrased. The 1800s covered 100 years- and in that time, firearms ranged from flintlocks in 1800 to machineguns in 1899.
newewst gun is stampede
the newest gun is the stampede retard
No.
1800s
Double barrel musket shotgun
Still being made every month
The Dm7 is now considered outdated. The newest Dye marker is the Dm10 and the Dye NT
it is called a Vulcan, it's like a chain gun.
As of Feb 15, 2010- The LongStrike CS-6
Hans Janssen of gun-making fame was born in the mid-1800s.
The present day Gatling gun fires a more powerful cartridge, and fires much faster. The 1800s gun was hand cranked, the present day version is powered by an electric motor. One modern Gatling gun is the GAU-8 gun on the A-10 Warthog aircraft- the gun is about as big as a Volkswagen, and fires a 30mm bullet that shoots through tanks.
The maxim gun,invented in1884, was the world's first automatic machine gun