Easyrider,
I don't want to be assessed a fifteen yard penalty here for piling on, but my feelings on this question are well documented. As I see it, the BM 710HS represents about as good a value in a lockback as can be had for $130.00. The axis lock has passed the tests this crowd has thrown at it with flying colors thus far, and the M2 steel offers outstanding performance at this pricepoint. The action on mine was smooth out of the box, and has actually gotten smoother with use.
About the only obvious improvement I can see for the 710 would be if they relieved the G10 scales just slightly in the area near the blade's thumb post (when in the closed postion). As it is, the top of the post is about even with the top of the scales and consequently it's possible for your thumb to sometimes slide over the post when opening one handed. But this is a minor concern as it took me about three minutes with a small round file to hollow out a nice small semi-circular area of the G10. Now even that minor concern is no longer an issue. Hope this helps.
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Semper Fi