Russian pouch ID?

[Slater]

Can anyone say for sure what this pouch was used for? It came with a Mosin-Nagant M91/30 (along with some other accessories), and has been variously described as an old SKS ammo pouch or a Russian grenade pouch. It has three internal pockets.

[Pattern14]

Canvas pouch for the Russian F1 fragmentation grenade (pineapple type) or the RG-42 (can type).