This defensive grenade was manufactured in Croatia by ĐĐ (Đuro Đakovic),Slavonski Brod and RAPID,Virovitica.
They were produced in the period of 1991 - 1992.
The RB100 was made in both a hand- and riflegrenade version(click link).
Weight : 450-470gram
Filling : 70-90gram TNT/PEP
Fuze delay : 5-6seconds
Photos and sketches © Josip.