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Posted: 3/13/2011 5:43:29 PM EST
I've been thinking about one of these for my SBR for a long time now. I'm considering the weaver mount or the flat top mount.

Will either of these co-witness? The optic looks really tall
Link Posted: 3/13/2011 6:01:17 PM EST
I run a RX30-23 with the ARMS #15 Throw Mount and it co-witnesses perfectly, the dot sitting right on top of the front sight. Not sure about the mounts you listed, so I can't answer your questions unfortunately. Very nice optic though.
Link Posted: 3/14/2011 5:07:45 AM EST
[Last Edit: 3/14/2011 6:30:30 AM EST by MidMichHunter]
I have both the RX30 & RX34 and with my mounts they will not co-witness at 1/3, maybe 1/10 at best. I have not tried the RX11 Weaver mount, it appears it may work, but I'm not sure how tight it would be on a 1913 rail and it's not QR which could kill it for me.

There is a low profile mount, the RX15 (RX16 for weaver) that I may look into, but a spacer will be needed at an additional $25, but it sits lower than what I have now so I may give it a try.

Here are the mount heights:

RX11 (Weaver): .295"
RX15/16: .440": (.315" & spacer .125")
RX23 (ARMS 15): .516" (.381 + spacer .135)
RX15: .640"
TA-51: ? but appears to be the same as the RX23 w/ Spacer

Here's how mine look on a rail, note how high they are in relation to the BUIS which are standard Troy. The first is the RX34 in an ARMS mount and the second is a RX30A-51 with the TA-51mount. The last mount is a RX14 which it too tall as you can see.

Hope this helps & please keep us informed if you try the RX11 mount an a RX34, even w/o the QR, that may be the way to go.

Link Posted: 3/14/2011 10:19:39 AM EST
Thanks for the info. I search the interwebs high and low for a pic like that
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