Waitaki rails sit on top of the dovetails, raising scope mount height unnecessarily, requiring the receiver to be drilled and tapped... I couldn't be arsed with that....
The Roedale mounts dont review well, though they slide onto the dovetails and don't raise the the scope as much as a Waitaki rail...they have a sliding adjustment to size for different Sako 75 and 85 actions....
The NearMfg rails are 10MOA, they slide onto the dovetails with a friction fit and have an integral recoil lug that fits into the recess on the rear dovetail. They are sized to the action....
I had a good selection of optilocks on hand and chose to machine the front base down to mount my Z5 on a 75 V action.
The Z5 and Diavari didn't have the same huge internal adjustment as my PMII, so I reckon the slight nose down cant keeps the scope in the middle of its internal adjustment rather than possibly bottoming out.
NearMfg 10MOA rail
Optilock front base machined down to give approx 20moa cant
The tapered dovetails may not be a weakness, but they complicate matters such as this
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