Re: 715t flash hider removal?
Probably---depends on your perspective:-) The barrel threads are male, suppressor female, normal direction. Pull the wrench (19mm IIRC) toward yourself with the rifle laying on the left (non-bolt) side. They're on pretty tight, and have a directional...
It might be the bolt buffer, I had similar problems after my first cleaning. Review the You Tube vids on re-assembly for placement and orientation---the parts breakout for the 702 in the back of the manual also shows the buffer in the correct position (the 715T breakout doesn't have parts...