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12-08-2011, 10:22 AM
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15-22 rear sight help
Hey, i would appreciate it if someone could help me out with this question. I've scoured the internet for this answer but to no avail, i was wondering what the different symbols on the rear sight's elevation adjustment knob represent. I've had mine for a while now and i believe i figured it out, but would like to know for sure. Thanks
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12-08-2011, 11:28 AM
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Those are elevation markings. You don't actually need them on the 15-22, just set it to 6/3 and make all elevation adjustments on the front post.
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12-08-2011, 11:46 AM
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Morning Merkwier
Those rear sight vertical makings are for the 223 M-16/M-15/M-4 sight in & shooting at extended ranges including the 2 different rear apertures openings.
As mentioned above they really mean nothing for a 22 lr bullet on the 15-22.
Here is a somewhat useful usage on those rear markings.
AR-15 Zeroing
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12-08-2011, 01:03 PM
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How are you adjusting front Sight height?
Do you need post screw?
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12-08-2011, 02:32 PM
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Oh, but the front sight post isn't a very easy adjustment :/ that kinda stinks. But anyways thanks allot guys. (i am %100 sure that the "4" mark on the sight is = at 25 yards.)
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12-08-2011, 02:37 PM
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That is not how you use the rear sight. Set the elevation knob to 6/3 and then zero the rifle. Make elevation adjustments by turning the front sight post up or down.
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12-08-2011, 02:41 PM
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hmm... but what if you are in the woods and see a "target" at 75 yards away and you are sighted in at 25? you just have to compensate? sorry if i'm annoying or i seem thick, but its just a different concept from what i'm used too.
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12-08-2011, 02:56 PM
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You zero the rifle using the front sight post to change elevation. Then, when you are out shooting and need to make a quick elevation adjustment, you use the knob on the rear sight. You do it this way so that your rifle is zeroed with the sights set to "normal" positions, and then if you need to make a quick elevation adjustment while not losing zero for your "normal" position. If you tried to make minor adjustments on the fly after using the elevation knob to zero, it would be significantly harder to reset everything to the proper positions. Having the rifle zeroed in the proper fashion allows you to just turn the knob back to 6/3 and you are good to go for your normal distance again.
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12-08-2011, 03:13 PM
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ahhh.. now that makes sense! thanks guys for the prompt replies!
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12-08-2011, 04:11 PM
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Quote:
Originally Posted by Merkwier
hmm... but what if you are in the woods and see a "target" at 75 yards away and you are sighted in at 25? you just have to compensate? sorry if i'm annoying or i seem thick, but its just a different concept from what i'm used too.
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For 25 yards, align the sights with the target and fire. For 75 yards, align the sights with the target and fire. Past that then yes, there will be some bullet drop depending on the ammo you are shooting. Just aim a little high. It's better to know where your rifle shoots and quickly compensate, instead of trying to fiddle with knobs as your target runs off after another acorn.
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12-09-2011, 08:30 PM
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These are M4-type sights calibrated in meters using 5.56mm M855 Ball ammunition. The markings are meaningless with .22LR. Learn to count clicks for different ranges or adjust your aiming point using battlesight.
Battlesight the M&P15-22 at 50 yards. It'll be low at 25 an again at 75. Learn where it hits and adjust your aim if shooting at small targets. At an 8" bullseye or beer cans it won't matter, they'll all be in the black, just aim center of mass.
If you want a target X-ring rifle you'll need to spend a lot of time and find the rear sight zero at different ranges.
-- Chuck
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