The 1853 Enfield was in use in 1861. If you scroll down to the link that says ENFIELD, that will take you to the Wikipedia article on that rifle. Click on the pictures there and they get larger.
a rifle looks like a pistol but longer and fatter
The Mauser es340b was a single shot .22 long rifle. It was made too look and feel like a Mauser 98K. It is not a sniper rifle. It is a target rifle.
looks like a koala with a rifle
It had 34 stars on it
Looks like a Winchester saddle rifle--lever & hammer
A Remington 700
Look on the butt.
A piece of small tube
It was a rifle used by the Americans in WW2...horrible in CoD WaW...
it is long and very deadly
look at http://www.tfl.gov.uk/ for options
Lucas carried a rifle not a pistol, so he had no holster.