I use a Blaser R-93. Barrels are quick change and the lugs lock directly to the barrel. ( Mounts are on the barrel on these.). Sub inch groups are normal with both the .22-250 and .270, and I am old and shakey. A younger person with skill could likely do even better. IMHO, when the lugs engage the barrel directly, lack of screwed in barrels is a non issue provided the barrel is well fitted. The Blaser doesn't even have a front receiver ring. The barrel bolts to an action extension.

I really do not think the lack of barrel threads will be of concern as to accuracy and durability. I like what I see on the 101. Jack

"Do not blame Caesar, blame the people...who have...rejoiced in their loss of freedom....Blame the people who hail him when he speaks of the 'new, wonderful, good, society'...to mean ,..living fatly at the expense of the industrious." Cicero