Magazines can also be placed in the pouch rounds forward or rounds backward by simply adjusting the retention screw.
This pouch is not meant to work for high capacity 45 Cal magazines nor any single stack magazines.
We tested, and the pouch perfectly retained all of the following mags (all 9mm/40cal high cap):
M&P, Sig Sauer,
Berretta, CZ 75, Browning Hi power, Ruger SR9, Walther PPQ