That's not a bad option at all. I don't need bespoke quality, I just need something to fit and will survive occasional use. Will not be a daily use item so can come down the quality line some. Clear top would be nice though.I bought storage paunches from 5.11
5.11 Range Master Medium Pouch
For quick and reliable access to mags, rounds, and more, the Range Master Pouch (Medium) is the ideal size to store, and stow. It easily and securely fits inside the Range Master Duffel, Qualifier, and Backpack. Features Details: Total Capacity: 4L webbing top ring w/ nested pouch for easy...tactree.co.uk
They are a good fit, robust and a good value.
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Thank link.