My stamp came in. Do i go cheap on this black river:
https://www.midwayusa.com/product/1026463477?pid=800561
Or blow the $800 + on oem. Mighty expensive 4"
Yeah I have a real m4. I had been seeing an entry bbl on gunbroker for $650 but didn't want to pull the trigger without the stamp. Now it's gone.
$800 was the best deal I could find, at Tombstone.
Now I need a 5rd tube