Originally Posted by TRexF16
So based on my chrono showing the Hornady factory 120 GMX load hits its advertised 3050 FPS in a 22" barrel, do you folks think they are doing something exotic in loading practices for those rounds? Has anybody pulled a bullet on one to have a look at the powder? I don't have my buddy's rounds on hand to test it nor do I own a 6.5CM to justify buying some to look at. Seems like as handloaders, we normally count on exceeding factory ballistics, and this seems an odd case where we're struggling to even match them.

Looking at powder doesn't definitively identify it. It's likely a powder blend not available in canisters.