Aimpoint 30mm standard mount for CompM and PRO optics
This is a low-mount ring which rises 1.55" above Picitinny Rail, which is normal Aimpoint height
This mount is just a little higher than absolute co-witness and a little lower than 1/3 co-witness.
This mount is the combination of the three Aimpoint parts:
> QRP2 quick release mount for Picatinny rails, part number 12195
> 30mm ring and base for CompM2, M3, M4 and PRO, part number 12194
> standard spacer for CompM3, M4 and PRO, part number 12192