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Old 03-31-2018, 09:50 AM
55fairlane
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Carry handle help?



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Are there any carry handles out there that are calibrated for 22lr?

Or what are you guys using and how did you set it up and zero it?

I took the barrel and guts out of a used Chiappa m22 upper, and swapped them in to an Anderson sport upper, and it runs well, but now I want to use it as a trainer....

Thanks in advance

Aaron
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Old 03-31-2018, 02:47 PM
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heavyduty
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Iíve never had a problem zeroing a dedicated .22 AR, just follow the usual instructions for doing the rear - youíll need an Allen key. I donít use conversions, but having two carry handles (one for each chambering) isnít a half bad idea.
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Old 04-02-2018, 08:53 PM
mac1911

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The sights are not calibrated to specific cartridges.
Your basic A2 rear sight on a rifle length sight radius
1 "click" elevation is approx 1" at 100 yards.
1 "click" windage approx 1/2" at 100 yards.
A2 front sight one "click or indent is approx 1 3/8" change.

You can get a NM detach rear sight handle from RRA or White oak that has enough elevation to get out to 600 yards with 5.56 with 1/4 moa elevation and windage.

Keep in mind the AR15/M16 A4 detach handle has less over all adjustment with out modification . you can install a A2 rear sight assemble and then need to remove material on the pic rail on the upper to make room for the longer elevation spindle.

You use the adjustment on the front sight to get close to where you want your zero. Then dial it in with your rear sight.

As for calibration , you need to figure out yours and remember or mark your rear sight.

I have a tac Sol upper I installed A2 1/4moa per click style sights on. Note I shoot at 2" and 4" steel targets 95% of the time with this set up.
With a 25 yard zero using SV ammo my close enough adjustments are
25-50 -3 clicks. I seldom actually adjust for this I have just learned to hold a touch low.
25-75 +10 clicks
25-100 +25 clicks
This gets me pretty darn close. I generally have to add +/- clicks for lighting and how my eyes are doing on a parti ular day.
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Old 09-09-2019, 02:22 PM
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Standard A2 is calibrated for M855 from a 20" barrel (3100fps), using 1 MOA elevation clicks and 0.5 MOA windage clicks. Standard M4 detachable handle is calibrated for M855 from a 14.5" barrel (2900fps), using "fat" 0.5 MOA clicks in both axes.

You can do like match rifle shooters and get your dope and mark the drum with different colors.

My numbers through JBM calculator shows a 75yd zero (bottomed out on "6/3") with 40gr at 1000fps closely corresponds to an M4 at 100yd/400m, 125yd/500m, 150yd/600m.
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