This a good looking mags and the base plate is great when pulling the magazine from a pouch. Some user may worry the stability of the magazines. This EPM magazines provides smooth support while shooting and will not leak BBs or gas. Moreover, many gas efficient than the KWA LM4 magazines,One thing you have to pay attention , when releasing the bolt on the masada it tends to shave the semi top of the mag. The knocker on top is made of plastic, But don't worry, it's would be fine when you loading the bbs into the mag.
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