AR-10 and Clone scope height

Tom2 · Apr 13, 2010

I have a DPMS LR-308 and am interested in getting a 20 MOA one piece scope mount.
My rifle has the standard A2 stock and I am using a Mark 4 with a 40 mm Objective.
I currently have Nightforce High (1.25) rings set and they are a little too low for a comfortable check weld. At the time, I tried 1.40s and they seemed too high for bench and prone shooting.
I have been looking at the Nightforce High Uni mount .535 (1.25) and Nightforce Extra high Uni mount .81 (1.40). Since these mounts have an incline, where is the height measured from? (Measured at front, rear or middle of mount?) Does anyone have any experience with these mounts or similar mounts of the same height and MOA? Will the 1.25 still be too low or will the added 20 MOA raise it up a bit in the rear? Will the 1.40 be too high with the added 20 MOA? Any input would be appreciated.

Thanks

Tom

Fatty · Apr 13, 2010

I have an AR-10T (ultra) and my 56mm would barely clear the front hand tube.

I guess it depends on A) what you have for front handguards/tube and B) how much vertical adjustment you have in your optics.

I had to get a riser for both reasons, as I couldn't fit a flip cap on the front without it rubbing and I had eaten up a bunch MOA of adjustment after I zero'd.

I bought the badger 22 MOA riser and I don't know who came up with that number 22 MOA, but it's nearly PERFECT.

wielywilly-g · Apr 16, 2010

I have the badger 22moa AR riser rail on mine also. If I remember correct, they are .43 high measured at the rear. That is probably the way NF unimounts are measured. I would be interested to see the specs on them also. NF web site seems to be short on tech specs for these bases.

Tom2 · Apr 17, 2010

I sent an email to NF for specifications on the unimounts. The response was that there are no schematics available for the product. Just the usual response was given "1.125 height uni-mount for 40mm objectives" and "extra high mount must be used when using a 56mm objective". I would think a sun shield extension could possibly interfear with the low mounts if a 20 MOA angle is involved. I guess I need to buy, try and return to find the right one. :x

wielywilly-g · Apr 17, 2010

Maybe someone will measure theirs and post the dims.

AR-10 and Clone scope height

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