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Old 09-02-2010, 18:49   #1
.45 Combat
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Join Date: Oct 2005
Posts: 427
Optics for AR-15, with A-3 upper.

Hey, I've gotta ask, I own an A-3, AR-15 Bushmaster and so far I bought a EO-TECH. So can anyone give me some advice on a magnifier that'll work well with my EO-TECH?

Plus, I would really enjoy doing some long range shooting, I would say at least 500 yds. It's something I haven't done, so, I'd like something that works really well with the 556 or 223 caliber cartridge. The twist rate is a 1/8.

The Bushmaster was purchased just after the 10 year ban ended. It's an A-3, AR-15. So, now I'm looking to invest in some optics, for long range target shooting Thanks in advance.
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Old 09-03-2010, 06:56   #2
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I think Eo-Tech makes their own 3X or 4X magnifier that is made to work wth their products. If this set up is just for long range check out the Sierra web site to see what works with that twist rate. Just a note 5.56 NATO and .223 zre 2 different bullet lengths what is your barrel stamped 5.56 or .223?
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Old 09-19-2010, 13:31   #3
.45 Combat
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My twist rate, 1/9 and is a 556 rated, it's a Bushmaster A3. I would like to do some long distance shooting out to a 1000 yds. I would like at least some good advice on optics. Thanks so much.
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