shot shot Posted February 2, 2010 Report Share Posted February 2, 2010 As some of you might know, the US military is currently in the process of upgrading its M4 weapons system. Mainly due to reliability issues regarding the original (especially under sustained fire) Here is the difference between the firearms under sustained automatic fire The original M4, rounds till failure: 535 Reason for failure: ruptured barrel http://video.nytimes.com/video/2010/01/12/...iring-test.html The new M4a1, rounds till failure: 911 Reason for failure: melted gas tube http://video.nytimes.com/video/2010/01/12/...iring-test.html ATB Quote Link to comment Share on other sites More sharing options...
adymorris Posted February 7, 2010 Report Share Posted February 7, 2010 Neither are that impressive Quote Link to comment Share on other sites More sharing options...
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