Is there a way to mount a scope on an AR type rifle with back up iron sights at the same time? Do you have to remove the scope to use the iron sights? If so, will it hold its zero? What's the set up? How do you do it? :confused:
Thanks for your help
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October 30, 2009, 03:13 PM
Yes. Use see-thru mounts. The irons would be used by looking through the lower ring.
Is that awkward or uncomfortable to use the scope? Can you still get a solid cheek weld with the scope being that high? Is an adjustable cheek piece required?
October 30, 2009, 03:37 PM
You'll definitely lose any cheek weld you might have had from the stock on your AR.
On some rifles, these types of rings are not at all awkward, they just takes some getting used to. But on a collapsible stocked AR without a riser, these are going to be cumbersome IMO.
October 30, 2009, 05:03 PM
Is the rifle in question a flat top or does it have a carry handle?
If the scope is magnified, you can use a quick detach mount so that it can be quickly taken off and your iron sights can be used.
If the scope isn't magnified, you can co-witness your iron sights with your red dot.
October 30, 2009, 05:58 PM
how does the quick detach thing work? where can i find one?
October 30, 2009, 06:05 PM
Use see-thru mounts.See-through mounts will not work on an AR-15 flat-top.
Back-up iron sights will be at approximately the same height as the standard AR-15 front sight, or the scope itself.
You can't get your head down low enough on the straight-line AR stock to see through them anyway.
QD rings and mounts are available from about a gazillion different manufactures. Try Larue, A.I.M.S., Warne, Leupold, etc.
All of the AR-15 makers sell them on thier websites too.
Google ar-15 qd scope mounts and you will get 63,400 hits.
October 30, 2009, 06:12 PM
Any experience with these? whats the chance of losing my 200 yard zero?
October 30, 2009, 06:17 PM
The very best of them will return to zero fairly well.
What is your reason to need to switch back & forth?
You might be better served by just going to a low power (1x-4x) variable scope and leave it on there.
At low power settings field of view would be very good.
Low light capability would be way better then iron sights at any power.
Get yourself a BUS (Back-Up iron Sight) and zero it, then take it off and put the scope on and zero it.
In the event of a broken scope, take it off and put the BUS on.
Otherwise, leave the scope alone.
October 30, 2009, 08:48 PM
Personally I like Larue QD mounts better, but there is another option...
If you have a standard carry handle companies make fixtures which mount in the carry handle by using the screw hole and allow use of iron sights. For example if you buy an ACOG some of them come with a built in setup to mount on a carry handle and it has a hole bored through it so you can still use irons.