Originally posted by LegumeOfTerror
In July 2007, the US Army announced a limited competition between the M4 carbine, FN SCAR, HK416, and the previously-shelved HK XM8. Ten examples of each of the four competitors were involved. Each weapon was fired for 6,000 rounds in an "extreme dust environment." The purpose of the shootoff was for assessing future needs, not to select a replacement for the M4. The XM8 scored the best, with only 127 stoppages in 6,000 total rounds, the MK16 SCAR Light had 226 stoppages, while the HK416 had 233 stoppages. The M4 carbine scored "significantly worse" than the rest of the field with 882 stoppages. The results have been thrown into question due to the M4 scoring 307 jams in a previous dust chamber test conducted only a few months before with the same conditions and lubrication.
source:http://en.wikipedia.org/wiki/Hk416#Evaluation
Taken of course from wikipedia but i'd also heard it on the military channel that it was something like that, and the difference in stoppages of the M4/M16 just seems too great to be all that reliable. And when i said it wouldn't cost too much, it was a relative term, and it still has very similar parts to the AR15 variants.



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