MP5 mag pouch
 

Would the BHI STRIKE Pop flare pouch fit single Mp5 mags?

ive heard that they fit ump mags so i would think so...might be a bit loose?

it would, but I th ink you should just save the hassle and use double STANAG instead. It is bigger but would fit other mags usually (exception in my mind being UMP and P90) Unless you want perfect fit then I can't say much.
Flare is the same size for P90/UMP fyi