100m?? You're insulting the cartridge
It's without doubt a solid 200yd number and 250yds if it's not blowing much.
The prev comment about an unsuppressed .22-250 having a nasty bark compared to the .223 is quite right in my experience. My mate's one is -loud- compared to a .223 and it's still got a lot of wind drift at 300, not close to any decent 6mm. You'd need a fast twist one shooting heavies to make it really stand out from a decent .223 with 53/55/60 boattails.
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