HK MR223 / 556, HK416 16" barrel in 5.56 by Nefarious Arms

New in the box HK MR223/ 556, HK416 16" restricted barrel in 5.56 by Nefarious Arms. Phosphate finish. Stamping reads NA223-16LT 11/20 4Y NA0507A. Those sell for $650+ in the US and there is waiting list for them. Appears to be chrome lined.

$250 shipped in Canada (export to the US is prohibited). PAL verification is a must as of September.

Thank you