Wanted: Colt Canada 18.6" CHF Barrel (5.56x45)

Looking to buy a Colt Canada 18.6 inch cold hammer forged (CHF) barrel in 5.56x45 NATO for a non-restricted civilian project.

Specifically seeking a genuine Colt Canada / Diemaco barrel taken off a MRR 18.6" upper or similar restricted models (e.g., take-off from MRR, SA-series, or contract overrun). Must be an authentic Canadian-made CHF profile with 1:7 twist, preferably in new/unused condition.

Willing to pay a premium for the right barrel. 

Message me with details or email if preferred. Thanks in advance and Merry Christmas!