ROSCH Works
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Technical

Procedures, Manuals, Facts and Figures about the SL1

Why 12 o:clock mounting?

Here's a nice summary by Matt over at jerkingthetrigger.com explaining some of the tradeoffs and principles.

How tight to secure the SL1 to the rail?

28 in-lbs is ideal.  You'll get in this ballpark by hand-tightening with the hex key using the short section of the "L" as the handle and then rotating 60 degrees further by using the long section of the "L" for more leverage.  60 degrees is "2 hours" on the clock. 

Same for the sightpost cross-clamp.
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