Military gloves : 
https://sketchfab.com/3d-models/gloves-for-fps-game-3b321da343714e9597e3e86af8a0a7a6

Leather Gloves :
https://sketchfab.com/3d-models/fp-arms-8416c380544949bb9b224278819cbe6b

Gauntlets Steel : 
https://sketchfab.com/3d-models/leather-arm-guard-with-support-2ceaf152c27243c99b2c79da3c5115cb

Gauntlets Metal scraps :
https://sketchfab.com/3d-models/post-apocalyptic-arm-guard-low-poly-a777cbbc8aff4c3cb5ed4dec2265fa12