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Posted: 12/25/2003 1:05:20 AM EDT
From topics posted in this board, I came to learn that aside from the #22M68 mount, I need a spacer to mount the Aimpoint on the flat top. Using this set up, I also would like a back up rear sight that will co-witness. What should I get? The LMT or the ARMS #40 or the new ones from ARMS (I don't know the numbers :)).

Also, I am saving for an ARMS SIR system. Can I use the above set up/combination? Thanks.
Link Posted: 12/25/2003 1:21:59 AM EDT
The SIR is its own spacer.  You will remove the space to use it on the SIR.  Just get the regular ARMS 40 or the one with the uncut aperature.  If you prefer a non flip up get the LMT unit.
Link Posted: 12/25/2003 7:04:16 AM EDT
The Arms#40 is the far and away most highly thought of buis on this sight.
Link Posted: 12/25/2003 8:06:36 AM EDT
When you get the 22M68 make sure you order the [i]extended[/i] spacer. Not the straight one. ARMS doesn't assign model numbers to spacers so you have to verbally specify that you want the angled/extended spacer. That allows you to get the M68 further forward which improves field of view.

For a back up sight, I recommend the ARMS #40A. It is identical to the 40 except the small aperture isn't cut in half.

The newest version (40L) is designed to fit under ACOGs and makes some significant tradeoffs to do that. It is, IMHO, not as good as the 40/40A. I would get one only if you plan on using an ACOG.
Link Posted: 12/25/2003 10:05:13 AM EDT
The ARMS #40 is the only one that will work with the SIR, so that may be your only choice.
Link Posted: 12/25/2003 6:05:57 PM EDT
Thanks or the infos. I know what I need: 22M68 + 40 + SIR :)
Link Posted: 12/26/2003 11:37:13 AM EDT
The KAC 300 meter also works with the SIR's.
Jack
Link Posted: 12/28/2003 2:44:53 AM EDT
By the way, why can't I use the #40A with an Aimpoint + SIR? The #40A have both the 300 meter and 600 meter aperture???
Link Posted: 12/28/2003 3:01:40 AM EDT
Originally Posted By dgo7:
By the way, why can't I use the #40A with an Aimpoint + SIR? The #40A have both the 300 meter and 600 meter aperture???
View Quote


The 40A will work fine in that application.
Link Posted: 12/28/2003 5:49:49 AM EDT
Thanks. Does the #40A have both the 300 and 600 meters apertures?
Link Posted: 12/28/2003 4:36:45 PM EDT
Originally Posted By dgo7:
Thanks. Does the #40A have both the 300 and 600 meters apertures?
View Quote


Yep.
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