Liberator Pistol :
https://sketchfab.com/3d-models/fp-45-liberator-for-sale-79c18df9ff5644acb9598f349faeb5d5

.45 Revolver :
https://sketchfab.com/3d-models/smith-wesson-revolver-66f185b995bb4bb59fe05668835edb2b

C96 Type17 :
https://sketchfab.com/3d-models/mauser-gun-c96-be1e0793a5be47b199e3c97172e371df

M1911 : 
https://sketchfab.com/3d-models/m1911-pistol-80a0b8a6c4314da4a7b3a7cfe6cec1d4

Dual M1911 : 
https://sketchfab.com/3d-models/m1911-pistol-80a0b8a6c4314da4a7b3a7cfe6cec1d4

USP45 : 
Escape from tarkov

STI E6 : 
https://sketchfab.com/3d-models/m1911-pistol-80a0b8a6c4314da4a7b3a7cfe6cec1d4

M3 grease  : 
https://sketchfab.com/3d-models/free-download-gameready-m3a1-grease-gun-af1947347f06445880b7ca65e2636810
https://sketchfab.com/3d-models/3-grease-gun-3d30b825985647ef80662b84a498449c

M1 Thompson  : 
https://sketchfab.com/3d-models/m1a1-free-5eec4c487895439d8e762f719ae9c3da

M1928 Thompson Drum : 
https://sketchfab.com/3d-models/tommy-gun-3f3eecc0307f499e8d1fc16d56d74c83

Mac 10  :
https://sketchfab.com/3d-models/mac-10-563fd012970247049ef9fa30d0ebe839

Kriss super V  :
https://sketchfab.com/3d-models/krsv-vector-609166faf8e5416f957c88e0af657e09
https://sketchfab.com/3d-models/kriss-vector-9mm-a3e9a6bd50fc40acbc25266c823c522e

M1 Carbine 45  :
COD : WW2 / Vanguard

Vector Carbine  :
https://sketchfab.com/3d-models/krsv-vector-609166faf8e5416f957c88e0af657e09
https://sketchfab.com/3d-models/kriss-vector-9mm-a3e9a6bd50fc40acbc25266c823c522e

and many others for additional parts