It consists of a smooth spherical aluminium body, internally scored to generate fragments upon detonation.

If the grenade strikes an object after this time a spherical lead shot filled impact weight will trigger detonation.

[2] The impact fuze detonates when it hits any kind of terrain, including sand, snow, or water.

During combat in the mountains, 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, while their long fuse time allowed the enemy forces to get under cover.

[9] A photo shared by the insurgents in Russian social media seems to indicate they employed unmanned aerial vehicles modified to drop RGN or RGO grenades on Ukrainian positions.