5.56, and it is supposed to be readily adaptable to accept 7.62x39, 5.45x39, 6.8x43 Remington SPC, and there are rumours that the necessary components for it to be converted to fire the 6.5 Grendel are in the works.
There are several different models of Mauser rifle. Can you do anything to identify the model, arsenal it was manufactured at, and/or the nationality of the rifle? That it was made in 1946 does nothing to answer this question.
THAT DOESNT WORK BECUASE THEY ARE TWO DIFFRENT GUNS. AN AK47 IS AN ASSAULT RIFLE. A SNIPER IS A DIFFERENT KIND OF RIFLE.
Rossi is coming close with a single shot rifle ( the wizard) with interchangable barrels. They boast 21 different combos and include shotguns. As far as a gun that can shoot everything from a 17 HMR to a 50 caliber bullet the answer is no.
Have it examined by a good gunsmith. This rifle use a .22 caliber bullet, long rifle.
The best you can afford.
It depends on the application. What kind of gun? What are you intending to shoot?
Ddepends entirely on which rifle- there are thousands of different cartridges, and different bullet types. Sorry-
Bren gun, Lewis gun, SMLE rifle
An AR-15 is a rifle that uses 5.56 mm bullets. It is a semi-automatic rifle. This specific type of bullet is the most commonly used bullet amongst the NATO forces.
22 Long Rifle
An AK47 is an assault rifle, often incorrectly referred to as a machine gun.
First of all, you spelled assault wrong. Now for the answer. The Navy SEALs use the M4A1 Carbine rifle.