Big-gun 3D models - Sketchfab

Machine-gun 3D models - Sketchfab

Low-Poly M134 Minigun - Download Free 3D model by TastyTony (@TastyTony) [eed0c95]

Bergmann Bayard Gun - Buy Royalty Free 3D model by Lucas Donderis (@lucas.donderis) [f37ec3a]

Sci-fi-weapon 3D models - Sketchfab

Sketchfab

ww2 German weapons - A 3D model collection by username938947 - Sketchfab

Rifle 3D models - Sketchfab

Spacegun 3D models - Sketchfab

Gun-weapon 3D models - Sketchfab

Fantasy-gun 3D models - Sketchfab

ArtStation - Sci fi big gun

Sketchfab

Ice Gun - 3D model by Dylan Desban (@dylan.desban) [f77cfe7]

Low-Poly Pistols - A 3D model collection by TastyTony - Sketchfab

Heavyweapon 3D models - Sketchfab