| 摘要 |
PURPOSE: A transparent reinforced plastic magazine is provided to be conveniently used as the weight is reduced over 60% than metal materials. CONSTITUTION: A transparent reinforced plastic magazine(100) is manufactured by injection-molding FRP plastic. The tensile strength of the plastic magazine is more than 42kg/mm^2. The residual quantity of bullets loaded in a firearm is confirmed as the plastic magazine is transparent. Reinforced ribs(140) are formed at the position facing one side of the plastic magazine with a predetermined length and thickness.
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