Recommended Mounts
Below are the most commonly used mounting systems that we've either personally tested or have received positive feedback from our pro shooting team.
These are listed in no particular order, and all are 34mm in inside diameter:
- MDT Elite Rings
- MDT Premiere Rings
- MDT One-Piece Mount
- ARC M-Brace Rings
- ARC M-Brace One-Piece Mount
- NEAR One-Piece Mount
- ATRS Ultra-Light Rings
- SPUHR SP4001 ** (see torque specs below)
Torque Specifications
Unfortunately (and fortunately) not all mounting systems are made the same, nor do all manufacturers specify torque ratings in the same way.
The Rival 4-32x56 maximum torque rating is 25 inch/lbs or 2.8 Newton Meters.
Typically you will not experience any issues with the performance of the riflescopes functions (i.e. parallax adjustment) if you stay within that specification. However, we have seen some minor issues occur with the SPUHR mounts when torqued beyond 18 inch/lbs or 2 Newton Meters. This appears to be a common issue with this mount, across all optic brands, due to the sheer number of screws and the clamping force applied on the main tube.
We recommend starting at 12 inch/lbs (1.4 nm) on each screw, following the pattern as supplied by the manufacturer, and working up to a maximum of 18 inch/lbs (2 nm), paying close attention to the parallax knob. If it moves freely like it did when you first took it out of the box then you're all set. If it's tighter and doesn't move easily, back-off the screws and re-tighten the mount screws to the last good setting.
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