Colt 20" A1 barrel marked MP under the front sight and C by the flash hider. Has a A1 birdcage flashhider. This barrel has a bright bore and checks OK on GI a erosion gage.
The are some marks in the finish on the end from some type of rack.
Triangular handguards are in good shape with minor scratches. The gas tube, and gas tube pin is included along with the straight A1 style handguard ring, snap ring and weld spring.
Good shooter retro barrel.
$150 shipped. I take MO and Paypal with fee.