powder coat before entering barrel

[redriverhunter]

I have a bear creek arsonal 300 blackout. bullet is the HTC310-247-FN-BO3. smokes Carolina blue. from what I can tell is that it looks like ther is a 90 angle where the rifling start. My thoughts are find a way know that angle down so the can pass a bit easier.
anyone else have any thought on how to fix this?
thanks
rrh

[JimB..]

Search for “throating”
@dougguy may offer this service.

[ovendoctor]

Bear Creek needs to pay more attention to the chamber area
the 300 Bo. I got need the burrs removed.
Emailing the company it seemed like I was talking to a computer instead of customer service
once I got the chamber cleaned up the upper worked fantastic and looks great [top quality]
still dialing it in, just ran a bunch of 311467 and they are ready to load