installing rusan mounts

Karhumies

Well-Known Member
just a quick question, whats the veat way to install Rusan bases? i thought i had my wcope on well but then when zeroing yesterday my POI suddenly shifted sigbificantly, turns out the rear clamp was shifting side to side where it bolts onto (i say clamp instead of ring because its LM rail)

What is the correct way of lining up the mounts and tightening them down so they wont shift again?
 
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