The Magpul PTS 120-round midcap magazine available in 3-pack at Airsoft Armouryat a reduced price of £64.99. Magpul PTS PMAG magazines are the preferred for the rough players who prefer more realistic rough and tumble games as these magazines perform well in whatever environment and weathter conditions as compared to standard M4 magazines. You get a better deal buying in packs than individually.