Thread: Just picked up a new M&P-15 from my FFL....
View Single Post
 
Old 04-13-2018, 12:00 PM
Kadonny's Avatar
Kadonny Kadonny is offline
Member
 
Join Date: Nov 2012
Location: Pennsylvania
Posts: 1,436
Likes: 809
Liked 689 Times in 417 Posts
Default
It looks like to me very symetrical turn marks from a lathe or other machine used in the factory. They go around the barrel, not your standard "oops" scratched in the box marks.

Send it back.
__________________
Still carrying my S&W 642
Reply With Quote