Help to identification olive plce pouch

[Executive]

Can anybody help me to Id this pouch?
It´s olive drab, material is like a hard nylon (800 or 1000D).It have not NSN, only a "B29" by permanent maker (hand writing).
On front is zipper from up to down.On every side is fastex "female" with "Nifco sr-26" sign.
On back is PLCE closing, like a plce pouches.
Inside: tight pocket on back(very tight-good only for paper or documents-i don´t know, if is it really pocket or only a reinforcement of back) and four "cartidge carrier"(i don´t know, what is function of this, but is like pen holder with 5 cm height.

Pictures(sorry for quality, but i have here only my old celluar):
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Thanks for all ideas!

[StuRat]

Looks like it could be a medic pouch or a toiletries bag.

[flanker7]

If it has padding it might be some sort of NVS pouch

[wildcat]

it is not US, it looks like some NVG, GPS, other equipment bag

[oscarni]

Howdie

Its the CWS night sight case.

- Phil

[greendzflash]

yep, that is a british CWS pouch. (Common Weapon Sight. or night sight if you will)

[Executive]

Thanks a lot!
Now, i can go sleep with good feeling of knowledge! :-)

[RAFREGT.]

The pocket is for lens tissue ant the 4 "cartridge carriers" are for spare AA batteries for the CWS.

[Steve Andrews]

I use one as my wash bag at work. :)