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Some of you may remember a document that came out after the Extreme Dust Test where the M4 came in last. This document featured a list of improvements, including a polymer magazine, which were meant to make the M4 more reliable. Here is the result of SOCOM's input.
The Tango Down ARC magazine. Notice the mag is fully enclosed at the base to reduce foreign matter entering the mag or the gun's action (Photos by SMGLee)
The Tango Down ARC magazine. Notice the mag is fully enclosed at the base to reduce foreign matter entering the mag or the gun's action (Photos by SMGLee)
XCR owners looking for the latest and greatest Mil-spec mags can look forward to these next month.The magazine is molded in two section and thermal glued together to creation a single body. Since the M16 style magazione requires a straght section and also a curved section, it has been an age long problem for anyone venture into the polymer magazine arena. Tangodown solved this problem by injecting the magazine in two secions, thus eliminating any issue with extracting the core from the molder.
The follower are also redesigned to be lighter, and also a four corner anti tilt legs. the spring redesigned to contact the follower at more of a center balanced point in order to push the rounds upwards wiothout any undue tilting.

