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Durkin Tactical Franklin Armory
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Posted: 2/18/2017 8:14:16 PM EDT
Hello all. I"m just about finished with my MK12 Mod0 SPR build. The last part I was going to get is the A.R.M.S #40 Low Profile rear BUIS However I Have a 20" A4 AR-15 flatop rifle with a MaTech Mil-Spec Rear Back-up Iron Sight and I'm thinking of just taking that off my A4 and putting it on my SPR. This will SAVE me $129.00.

https://www.amazon.com/MaTech-Mil-Spec-Back-up-Iron-Sight/dp/B002E6SXN4?tag=vglnk-c102-20

Will the Ma Tech Rear BUIS work with the PRI Flip-up front Iron site?

https://www.precisionreflex.com/Detail.aspx?PROD=186686&CAT=4292

I have a A2 detachable Carry handle I can install on the A4 to replace the Ma Tech. What to you think. Will the Ma Tech get in the way of any Optic on the SPR?

I have the Nikon M223 3-12x 42 SF Rifle scope in a American Defense AD-RECON mount that I was going to transfer to the SPR and use the A4 with the detachable carry handle to practice with the Iron sights.

You prompt replies will be appreciated
Link Posted: 2/18/2017 8:19:55 PM EDT
[#1]
It will work, and will clear. Just won't be correct but you know that already. I agree they're about half the price.That's also the wrong scope and mount, so why not just take your time and build it correct, you've come this far!
Link Posted: 2/18/2017 8:23:19 PM EDT
[#2]
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Quoted:
It will work, and will clear. Just won't be correct but you know that already. I agree they're about half the price
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Minor correction to this post. Since it is going on a Mod 0 , there is not enough clearance for the matech unless the rear of the sleeve has been machined or filed. If you have an ARMS #38, you'll take a larger hit on value to the #38 than you would save by using the matech. If you have a PRi sleeve on the rifle, then it isn't as big a deal if you modify that.

Please don't modify an ARMS #38.
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