I have two Lone Peak Fuzion Ti SAs. One on a 6CM build, and one was on a 6.5SS build.
I have had zero issues with the 6CM being sticky. And I don't run the 105s lightly.
I had sticky bolt issues with the 6.5SS almost from the start. It got sticky LONG before my Kelbly Atlas Tac in the same chambering would. Now, it could very well be a barrel issue too, like a tight spot. But, I never could get my 26" on the LPA to run hardly any faster than my 20" on the Kelbly. So, after 800ish rounds, I got so frustrated I built a completely new 26" 6.5SS on a Defiance Anti X. It is already shooting faster than my old one could dream of. So my LPA Fuzion is getting rebuilt into a .260AI. Called up LPA, ordered a new standard face bolt, and had it in 4 days.
I have two Defiance AnTi Xs as well. The new 6.5SS as mentioned above, and a new 7SS to match. They both weigh very close to the LPA Fuzion TI, at about $450 cheaper. But, even being Nitrided, the AnTi X is not as smooth as the Deviant line.
Another one to consider, if you can wait for qtr 1 of 22', is the Kelbly Nanook. I am anxiously awaiting that release.