Lots of good pointers that are appreciated.
Especially the very informative Sierra 300 Whisper link that I did not know existed.
Thanks!

My second thread on this forum :) I recently bought a MGM 13" barrel for my TC G2 Contender. Its accuracy has been marginal with the best groups being 2.5" @ 100 yards. I have a 357 Remington MAXimum that gives me 1" groups @ 200 yards consistently. Just stating that because I can sho...

My first thread on this forum. :) I recently purchased a custom 300 Blackout barrel from MGM and have been having a difficult time getting a jacketed bullet to group less than 2.5" @ 100 yards. I have tried about 8 different bullets and 8 different powders with about 8 different loads per bulle...