https://www.ammunitiondepot.com/promag-pro-heca17-mag-hk-mp5-ptr9-9mm-40rd-blk-heca17.html
ProMag HECA17 Mag 40rd 9mm Fits MP5/PTR9 Ammunition Depot
Discover the ProMag 40-round 9mm magazine, compatible with MP5/PTR9, available at Ammunition Depot for enhanced shooting performance.
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