| 摘要 |
The present invention provides an improved firearm magazine with directed spring forces. A magazine tube is composed of a rectangular center section with a cylindrical housing section at each end of the tube. Helical springs are installed within the cylindrical sections to provide the biasing force required to feed rounds into a weapon. An alternate embodiment describes three cylindrical housing sections separated by two rectangular housing sections. The cylindrical housing sections are provided with the helical springs of unequal stiffness to provide a required unbalanced load distribution.
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