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Nikon prostaff 2-7X32 on AR556 ??

This is a discussion on Nikon prostaff 2-7X32 on AR556 ?? within the Optics forums, part of the Firearm Forum category; Will be receiving my Ar556 soon and would like to mount a Nikon Prostaff 2-7X32 scope that I have. After searching the forum, I sure ...


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Old April 19th, 2017, 03:38 PM   #1
 
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Question Nikon prostaff 2-7X32 on AR556 ??

Will be receiving my Ar556 soon and would like to mount a Nikon Prostaff 2-7X32 scope that I have. After searching the forum, I sure could use some some advice.
What ring mounts would be high enough as I do not want to remove the factory front A-2 style sight. Would the Nikon M-223 or Nikon P-Series 2 piece ! inch rings be suitable? Or should I look for an entirely different scope/ring set up?
Will be shooting primarily target and plinking out to 100 yds.
Would appreciate any suggestions and all advice. Thanks

George M (new forum member)



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Old April 20th, 2017, 01:44 AM   #2
 
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I have a Vortex Strikefire II red dot on my AR556 and it is relatively high off the picatinny rail. It perfectly aligns to co-witness with the iron sights.

I'm not sure how much your front sight will interfere with a scope because the focus is farther out. Maybe try some high rings.
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Old April 20th, 2017, 04:54 AM   #3
 
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I have a Nikon P-223 on my AR and use the P series mounts. It is at the right height for me. My son has an M-223 with regular rings and I think it is too low but he likes it.
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Old April 20th, 2017, 05:10 AM   #4
 
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or shoot the factory irons after learning.
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Old April 20th, 2017, 05:43 AM   #5
 
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At those distances I would just stay with the factory irons,, which are more than enough for "minute or bad guy." If you want "benchrest" accuracy, ie. smallest group you are capable of, then a scope should be used.
The scope you have would work. You only need rings high enough for the scope objective bell to not contact the gun. The iron front sight will not be seen thru the scope when at about 4x or higher.
The ar556 that I had was equipped with a Vortex 1-4 , and it worked just fine for me out to 200 yards. ( as far as I tested)
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Old April 20th, 2017, 06:25 AM   #6
 
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Wink

Gentleman, thanks for the feed back. I definately want to learn and keep factory irons on rifle. Am pretty much used to iron sights from years of collecting & firing M1's Aand M1 carbines. This is my first AR type rifle so I wanted to be able to use it with & without optics. These tired eyes now need some help seeing hits on targets at 50 -100 yds.
I took the Nikon 2-7X32 off another rifle and was hoping I could reuse it on new AR556. Thanks again fellas.

George M
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Old April 20th, 2017, 07:00 AM   #7
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I bought Nikons AR setup. I didnt think the M223 mounts were high enough.

I went with Millets. They are a PITA to install because they tighten from both sides, so getting them centered is a pain, but once on there, they can be adjusted left to right really easy & work great and stay in place.

I have several rifles with Millets on them.
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Old April 20th, 2017, 07:17 AM   #8
 
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I had a Nikon 2x7x32 on my AR556 for a while. I used a no-name 3/4" pic riser, and medium height Leopold Rifleman rings. I will tell you that what someone mentioned is true... the scope focus is farther out, and even though the front sight sits right in the scopes view, it pretty much disappears. You will see some shadowing from it, but its not like there is a big black blob in your scope image. This did still bother me, probably more so in my mind than in actual performance. I ended up deciding to buy a flat top upper to use the scope on.

I now have the AR556 set up with the irons, and an EOTech 512 which is a perfect set up for short range shooting. I bought another lower, and have the flat top upper set up as a second rifle with a quick detach scope mount, and Magpul BUS. Thats the beauty of the AR rifle. Its like LEGOS. You can build, swap, and change as you go along.

Try the scope on your AR556. You will need a riser of some sort. If you dont like the way it works, buy a flat top upper from Hardened Arms, Palmetto State Armory, Radical Firearms, or one of the other discount AR parts sellers. If you watch for sales, you can get a decent 16" upper with a free float handguard/rail system, BCG and charging handle for around $300. If you dont like swapping uppers, then get another lower for around $2-250, and you have a second AR. Its nice having one set up with simple open sights, and one scoped. Everyone needs at least 2 ARs... right?
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Old April 20th, 2017, 09:14 AM   #9
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1' Millets on a JR Carbine.

Dont have an AR 15 pic w/ millets handy,,, but the height on the millets , you can set your scope back a tick and still operate the charging handle. That wont work with the M223 Nikon mount. The rear of the scope has to be about even with the charging handle.

Good luck.

DSCN3624.JPG

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Old April 20th, 2017, 05:39 PM   #10
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BTW. I measured them both.

The Nikon M223 mount raises the scope tube 3/4 an inch off the rail.

The Millet 1' inch mounts raise the scope tube 1' inch off the rail.

I realize its only a 1/4 inch difference. But it is definitely noticeable when the charging handle comes into play, and on a straight stock for scope eye relief.

Good Luck.
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Old April 23rd, 2017, 05:31 PM   #11
 
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Tired eyes need magnification.
The P223 or similar will do just fine for 50 to 100 yards.
Ask ne how I know ;-)
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Old April 27th, 2017, 07:10 AM   #12
 
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Nikon P-Series Mount

I have used Nikon's P-Series 2 piece AR mount on numerous AR's. It gives you excellent lock up and flexibility in how you want to mount your scope to your AR.

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Old April 30th, 2017, 05:07 PM   #13
 
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I put the 1 piece Nikon 223 mount on my AR10 ....Left the iron site on the front....It disappears in the scope..I have a Nikon 4x12x40 scope on it

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Old May 1st, 2017, 06:00 AM   #14
 
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It's been my experience that once you get past 2X the front post disappears when using magnnified optics. Nice pic! It looks like a recipe for big fun!
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Old May 1st, 2017, 06:06 AM   #15
 
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This was the final result at 200 yards....Yes it is FUN....

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