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View Full Version : Mounting scope with iron sights on my Windham Weaponry


bbqbob51
August 12, 2012, 08:53 PM
I have a Windham Weaponry SRC on layaway at Cabelas and want to mount a scope but still be able to use iron sights. I am planning on mounting a set of Magpul Mbus open sights and going with possibly the Nikon P-223 3X powered scope or similar. I have a red dot scope on my S&W 15-22 set up with lower 1/3 co-witness and that works good for me. Of course co-witnessing with a magnifying scope won't work so I want to install the scope on a picatinny see through riser or scope mounts so I can switch between the scope and open sights by just looking at the open sights below the scope.
Has anyone set up an AR-15 in this manner? Did it work well and what did you use for sights, scope and mounting hardware?
Thanks.

jmr40
August 12, 2012, 09:44 PM
This is what I did. On one of my AR's I have a Magpul BUIS mounted under the scope. It cannot be used unless the scope is removed. My scope is in Weaver rings, which can be removed quickly with a screwdriver on a multi-tool which is always near.

http://s1129.photobucket.com/pixlrEditor?image=http%3A%2F%2Fi1129.photobucket.com%2Falbums%2Fm513%2Fjmr40%2F002-1.jpg&referrer=http%3A%2F%2Fs1129.photobucket.com%2Falbums%2Fm513%2Fjmr40%2F&redirect=http%3A%2F%2Fs1129.photobucket.com%2Falbums%2Fm513%2Fjmr40%2F%3Faction%3Dview%26current%3D002-1.jpg

This is an inexpensive setup that works for me. I was going for as light as possible on this rifle, so I stayed with the Weaver rings and a lighter Leupold 1-4x scope. Another, more expensive option is to use QD mounts.

http://s1129.photobucket.com/albums/m513/jmr40/?action=view&current=001-2.jpg

These mounts are a lot more expensive, and a lot heavier. But they do come off without tools. I do have another set of rear irons for this rifle, but they will not fold and fit under the scope. This set up works better on this rifle since I'm not really trying to save any weight here.

This is not the setup most hard core AR shooters will recommend. But it is not horribly expensive, and works fine for me. I despise any type of see-through mounting system and would not suggest it at all.

DnPRK
August 12, 2012, 10:20 PM
Buy quality and cry once.
LaRue LT-104 mount (http://www.laruetactical.com/larue-tactical-spr-m4-scope-mount-qd-lt-104)
Troy rear sight (http://www.gunaccessories.us/Troy_Industries_Rear_Folding_BattleSight_Black_p/tryfbsra4blk.htm)
Troy front sight (http://www.gunaccessories.us/Troy_Industries_Folding_Front_M4_Style_BattleSight_p/tryfbsfm4blk.htm)

madcratebuilder
August 13, 2012, 07:00 AM
so I want to install the scope on a picatinny see through riser or scope mounts so I can switch between the scope and open sights by just looking at the open sights below the scope.
Has anyone set up an AR-15 in this manner? Did it work well and what did you use for sights, scope and mounting hardware?

You well need to remove the scope and mount to use the BUIS. You may or may not have room under the scope for the rear BUIS. Depends on the mount height. The have a 'see through' set up would require a fairly high ring.

planning on mounting a set of Magpul Mbus open sights

I think you would be better served in the long run to buy a set of metal sights instead of the plastic sights.

This is a Nikon M223 mount and 1-4X24 scope on top a USGI MaTech BUIS. As you can see there is little room under the scope.

http://i32.photobucket.com/albums/d37/madcratebuilder/AR15/BMM402.jpg

bbqbob51
August 13, 2012, 05:39 PM
It seems like the general consensus is to have a mounting system that allows easy removal and re-installation of the scope when the BUIS are used. Maybe I will go that route unless I can stumble across a good system that allows me to use both a scope and BUIS at the drop of a hat.
You are right DnPRK you do get what you pay for so I am trying to get something installed that is the best I can get within my budget. The Troy sights are great but a bit pricey as I am planning on using mainly the scope. That is why I was considering the USA made Magpul BUIS, they have good reviews and there was this test:
http://kitup.military.com/2012/07/back-up-iron-sight-drop-test.html
I'm not talking about the cheap Airsoft Magpul sight you pick up for $20 a pair.
I am intrigued though by the LaRue mounting system, it seems to be a good design and just might be worth the extra money. Of course they are more expensive than the Nikon scopes I am considering!
I wish I had unlimited funds!

DnPRK
August 13, 2012, 09:43 PM
The nice thing about ARs is you can buy parts one piece at a time as money becomes available.

DnPRK
August 15, 2012, 08:13 PM
This is the best deal I've seen on a Troy rear sight.
https://www.primaryarms.com/Troy_Rear_Folding_Battlesight_Black_p/ssig-fbs-r0bt-00.htm

I run a setup similar to this on a couple of my ARs. Get the canted scope mount for an additional $19.99 to clear the Troy sight.
https://www.primaryarms.com/Primary_Arms_1_4X_24_Illuminated_Scope_PA14X_p/pa14x.htm

FrosSsT
August 18, 2012, 01:25 PM
Buy quality and cry once.

That is the motto I live by

Quentin2
August 18, 2012, 01:48 PM
I use the Burris P.E.P.R mount for my 4-9x40 Nikon on an ArmaLite AR. The front sight isn't an issue and the rear sight is a flip up MBUS that of course can only be flipped up if the scope is removed.

The P.E.P.R is a midrange solution but is very strong. I've had no issues with the zero drifting. Lots of good reviews out there on it. It isn't US made though but I understand RRA has a similar model that is. These two are the only $75 and under mounts I remember off hand that have good reviews.