Colt take-off barrels 16" and 14.5" with delta rings and sling points

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I have a couple barrels that have been sitting for a while, waiting to be used. These have not been fired, but they have been sitting in a parts box, so they may show some minor handling marks (marks on the handguards, etc).

Colt 6920 16" barrel with FSB, double heat shield Colt handguards, Colt flash hider, Colt gas tube, Colt delta ring assembly, Colt sling mount
$265 shipped

Colt 6921 14.5" barrel with FSB, double heat shield Colt handguards, Colt flash hider, Colt gas tube, Colt delta ring assembly, Colt sling mount
$265 shipped

Potential Trades
Colt N1/Fiberite stock
BCM KMR 13 rail
Noveske NSR 15 rail
American Defense or LaRue TA33 ACOG QD mount