Settings are basic..

Target mesh _ lo poly gun
Source Mesh _ Hi poly gun.

Map space - Tangent space

Connect map to: Assigned shader

MAYA COMMON O/P:

M W/H tried 1024-4096
Keep aspect ratio ; Check
transfer in: World space
Sample quality: low 2x2
Filter size 3
Filter type: Gaus
Fill texture seam: 3




Near _ hi poly


Middle _ Base poly (lo)


Far _ base poly with map attached..