Humidity or lack of it comes into play in sticking. Also, Titegroup is a double-base powder. That means it has nitroglycerine and nitrocellulose as its active ingredients. Nitroglycerine is caustic to some plastics and will be absorbed. It's called sorption. I've used a LOT of Titegroup...
To render primers inert, most will tell you to soak them in WD-40 or Ballistic or oil etc. I've seen that fail. Modern day primers have two active materials in them and some inactive materials. The two that need to be rendered inert are lead styphenate (or if Federals, Silver styphenate) and...
Haven't measured to be honest. I am having sub-MOA results with the Hornady ELD-Xs, so I went with the same OAL as factory. I do know that consistently over multiple calibers the Nosler bullets have all wanted to jump 0.050" ish. So I let them jump and don't get overly concerned about it...
roughly 80-85 degrees F and at least 50% humidity. It's Missouri, we can almost swim in the air. I haven't shot an animal with an ABLR set, but it's bonded and accurate. I'm not concerned.
Thought I'd share some load results.
Bergara HMR Carbon 24" barrel with TBAC Ultra 7
175gr ABLR
64.0gr H4831SC
Hornady brass
CCI250
2872 fps, 5.8 SD
0.35" group 3 shots. I shot a sub 1/2 MOA group right after this one with 64.3gr charge and the velocity average was the relatively the same...