Length w/fuze :
Length w/o fuze :
Diameter :
Weight :
Filling :
Fuze : UZRGM or UZRGM-2

Photo on the right and below © Cory.

Made for export :

Practice version © Craig.

Different practice grenade :

Above, right and below :
This black practice RGD-5 is differently made.
Markings are clearly Bulgarian, but the reason why this is another make is unclear to me.
If anyone has more information, let me know at lex@lexpev.nl

Photos © Richie.