I have shot a 50 cal machine gun, and a 50 cal sniper rifle. In real life, Annually my grandpa takes both to our family reunion and we shoot clay pigeons with them, (yes pretty redneck).
On the other hand ive shot alot of guns.
12 Gauge ( ALOT of diff kinds)
16 Gauge ( a few)
BB Gun ( birds
)
One of my favs Browning Cynery Field ( high powered shotgun)
m16 ( cousin found one with a laser attachment at a auction) ( imagine that)
sks ( sort of a ak47, it takes rifle rounds, sold it though)
7 mm ( the rifle)
7 mm mag. ( pistol)
4 10 ( lil gun i sometimes use for squirrels)
20 gauges ( a few)
BlackKnight MuzzleLoader
Thats all i can think of right now, i might remember some later.