Not strange but my all time fave-7.82 warbird which not many has ever shot. Then iv shot 30 mm lazerlene, m2, 240 bravo and the 240 collosus, m60, svd dragnuv, 500 WY express in a freedom arms 83. Shot a bunch more but those are a few of the not so normal ones. Oh and a 17 hmr Gatling gun my mentor came up w some dang place.
Lets see; M3 SMG, LAW, 3.5 rocket launcher, M2-2 Flame Thrower, M79, aircraft mounted crew served twin M60's, M134, M2 .50 cal MG, M1919 A4 and A6, truck mounted quad .50 cal, just to name a few, but there are others.