RGO hand grenade

[1] It uses the UDZS dual action fuze (also used on the RGN), which has both impact and time delay functions.

[3] The RGO is designed to detonate when it hits any kind of terrain including sand, snow, or water.

[6] The RGO is capable of spreading fragments to a radius of 100 m (330 ft) from the point of detonation.

In the mountains of Afghanistan, Soviet troops found out that their grenades were less effective: The steep terrain often caused grenades to accidentally bounce or roll back towards the thrower's position and cause friendly casualties.

[1] In 2014, during the war in Donbas, the pro-Russian separatists shared a photo on Russian social media suggesting they employed unmanned aerial vehicles modified to drop RGN or RGO grenades on Ukrainian positions.