Cz Bren 2 Ms stripped upper receiver brand new never used will work on all 556 223 762x39

Cz Bren 2 ms -  stripped upper receiver - brand new condition - 1400 - will work on all models 223/556 or 7.62x39 (this will require rpal as upper is considered the firearm) -could have classification changed to non restricted for extra 500 would take time to process paperwork (will also require nr reference number)