Hello Sir ...
Kahit ano po pwede dalhin except lang yung obvious gun parts na mech body, upper/lower metal bodies, outer barrel assemblies, magazines, selector plate (not switch) hindi pwede dahil madaling mapapansin ito ng Customs ... pero yung gears, grip, spring, piston, cylinder, motor, butt stocks, rail handguards, scopes, trigger switch, metal hopup units pwede ... kung vest / camo / boots / gloves / goggles, wala naman problem rin yun