What type of hoslter this is?

[John Pen.]

Hello, Please, does anyone know what type of hoslter this is?
It is made of kaki canvas and measures 26.5" long and 8" wide.
Thanks for looking and any info would be helpful.

[lnijherald]

Bag for a spare Bren gun barrel plus maintenance items.

Luc

[John Pen.]

Thanks Luc,
Was able to find this image of Bren "holdall" with parts.
Cheers,
Jp