This model has been in Russian use since 1914. During the years it changed fuze mechanisms but the body remained almost the same. It has a cast iron body, pre-fragmentated on the outside. early production had a filling hole in the base and looks very similar to the French F1.
Several fuzes were used, but mainly "Koveshnikov" and "UZRG/UZRGM".
Total length: 125mm
Length body: 85mm
The earliest type were direct copies of the French F1, and had a filler plug in the base.
Difference with the French grenade could be found in markings, like the one shown below.