Colt 6720 with Centurion Arms C4 FSP rail ($350 rail) and DD fixed BUIS. Also comes with Vickers sling, etc. In excellent condition with Colts accesory kit and 4 high cap mags.
Gun is in excellent condition. Has less than 700 rounds of all factory ammunition.
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http://www.flickr.com/photos/52942291@N00/8308024383/
