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Old January 10, 2019, 01:58 PM   #5
Nathan
Senior Member
 
Join Date: July 1, 2001
Posts: 4,651
You should be fine except you have to remove the muzzle device and gas system from the colt barrel to get the special DD barrel nut on. It has a proprietary tool too, it looks like.

The gas system will be a bit of a challenge to remove possibly due to carbon build up and not sure how the gas block is positively mounted by colt, but surely it is....rockset or ??

Might need a new bevel washer for your MD also.
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