This vest created by Azimut SS, as cheap alternative to most expansive SSO Chestrigs.
It's most common chestrig (in Russia we call it "Lifchik" - "Bra"). Chestrig - vest type, when you carry on mags on chest. It's created for fast operations and CQB, when you need maximal mobility.
This vest have 4 pouches for AK and fit 8 Mags. Have also additional pouch for AK mags, or ROP (Flare). Have also pocket for documents and of course belt loops.
Pouches have rubberband, so, mag will not fall from pouch, even it valve of pouch open.
One size fits all!
Azimut SS

Azimut SS experts tactical handling systems developed and manufactured since 2003, holsters, rucksacks, backpacks, universal pouches, etc. Azimut have repeatedly assisted the Special forces - MVD, FSB, the Russian Army, the Ministry of Emergency Situations in the composition of equipment and uniforms for fighting in hot spots like in the mountain, and on the plains.