Colt 2013 Lineup

cancer said:
The feed ramps on the AR15A4 will undoubtedly be because Colt Defense are masters of using up excess parts. They probably haven't ordered any flat top uppers without M4 cuts in a decade. Why bother going backwards now? It'd just add cost and the M4 cuts aren't going to hurt reliability.
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That and they think it is proprietary technology.
 
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