if you go back...NZHunter were running them in thier very short bush rifles 6-7-8 years ago.... there is tales of woe starting to come out re quality issues with monos as of late,the consistantcy seems to be slipping.....I do know there has always been huge difference in preformance between different monos.
personally I would go 110 as from my experiences (50 grn in 223 and 110 in 270) the faster the better) BUT other than reduce recoil they wont do anything sub 200 that a 180grn round nose hornady wont do better.....except maybe bore holes through strainer posts.....
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