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  #46  
Old 16 Apr 12, 11:01
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Tiberius Duval Tiberius Duval is offline
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Quote:
Originally Posted by Slim View Post
Most rifles with integral iron sights that I have encountered have almost always been zeroed straight from factory..
Some are, some are not. Personally I think not giving you option of tuning your iron sights are just due to modern cheapo mentality. My old M39 has tunable sights, you can adjust left-right position from foresights, using two screws. Also if back sights range scale does not work for you, you can install different heighted front sight blades.
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  #47  
Old 16 Apr 12, 18:27
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You misunderstand. Slim's not saying that you can't adjust the sights, just that you don't have to.
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  #48  
Old 17 Apr 12, 13:36
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Quote:
Originally Posted by Tiberius Duval View Post
To original post, if you want superb accuracy you zero sights everytime before serious shooting, even variance in weather, another brand of ammo or so and your rifle shoots different.
IMO, there are no levels of accuracy, you are either accurate or you aren't. Atmospheric conditions do not require a new zero. Windage & elevation adjustment from zero to compensate is all that is needed.

Regarding the ammo, changing out to different ammo before doing the serious shooting...is not serious shooting. When you are doing the initial zero, you do it with various lots of ammo. When you ID the best ammo, this is the serious ammo. The other ammo becomes range ammo for use when you are not seriously shooting.
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  #49  
Old 07 May 12, 06:39
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Quote:
Originally Posted by Carl Schwamberg View Post
Yes Chey tac does not seem to have rep. By coincedence just a few weeks ago I was listening to a couple of rifle affciandos dis that manufactor.




Yes, once you did the 25 meter range thing and had the factory zero corrected to the actual zero you could shoot all week with mostly range adjustments.

However after firing close to two thousand M16 rounds on the KD courses I am still not sure what the correct adjustment is when firing for score in a full blown monsoon before firng every shot I had to blow the water out of the rear sight aperature and then aim quickly before the next raindrop filled it That and the downpour washing the pasted up targets off the cheese cloth carriages
Ahhhh.... Mother Green and requal on the -16. I know exactly what you are talking about.

The only time I ever shot SS. 'n pissed me off.
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  #50  
Old 07 May 12, 18:03
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Originally Posted by Nichols View Post
IMO, there are no levels of accuracy, you are either accurate or you aren't. Atmospheric conditions do not require a new zero. Windage & elevation adjustment from zero to compensate is all that is needed.

Regarding the ammo, changing out to different ammo before doing the serious shooting...is not serious shooting. When you are doing the initial zero, you do it with various lots of ammo. When you ID the best ammo, this is the serious ammo. The other ammo becomes range ammo for use when you are not seriously shooting.
Exactly. Once you find that ammo that 'clicks' with your rifle, you buy as much of that lot as you can get your hands on and use only that ammo for 'serious' shots.

Pistol ammo is slightly less sensitive because you're inputting a lot more human error than with a more stable rifle. However, it is best to try several different bullet weights at the same pressure (SP, +P, +P+), and different brands until you find the right combination. I've made as much as a 4 inch elevation adjustment simply by going from 165 to 180gr bullets. Once you find the combination that works, use only that combo (you can sometimes save money by going with FMJ in that pressure/weight for practice and then getting the nice stuff of the same pressure/weight for serious shooting)
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  #51  
Old 07 May 12, 18:49
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Originally Posted by 101combatvet View Post
Jumping it would require disassembly.
?
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  #52  
Old 20 Feb 13, 20:52
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Put the gun on sandbags or a rest at 25 yds aimed at target

Fire one bullet, re-aim at the target and hold gun tightly

verbally direct another person turn the scope screws to the bullet hole made without moving the rifle

fire and repeat, then move to 100 yds, and set scope to 1" high on target
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  #53  
Old 20 Feb 13, 21:27
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Originally Posted by Dresden View Post
Put the gun on sandbags or a rest at 25 yds aimed at target

Fire one bullet, re-aim at the target and hold gun tightly

verbally direct another person turn the scope screws to the bullet hole made without moving the rifle

fire and repeat, then move to 100 yds, and set scope to 1" high on target
Friend, that type of zero doesn't work very well with the M-16 type rifles. Coming out of the factory the sights are set on 'mechanical zero'...basically the rear sight is centered and the front sight post is flush.

Doing a battle sight zero (BZO) for the individual, you really should avoid putting the rifle on a rest. The intent is to 'zero' the rifle to the individual. You should take at least three shots...better to take five. From there you triangulate the bullet holes, find center and adjust your sites from that location. Usually a second string of fire will produce a good BZO. The third grouping is to confirm the BZO.
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  #54  
Old 20 Feb 13, 22:35
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Quote:
Originally Posted by Nichols View Post
Friend, that type of zero doesn't work very well with the M-16 type rifles. Coming out of the factory the sights are set on 'mechanical zero'...basically the rear sight is centered and the front sight post is flush.

Doing a battle sight zero (BZO) for the individual, you really should avoid putting the rifle on a rest. The intent is to 'zero' the rifle to the individual. You should take at least three shots...better to take five. From there you triangulate the bullet holes, find center and adjust your sites from that location. Usually a second string of fire will produce a good BZO. The third grouping is to confirm the BZO.
Why hell, that cain't work. It's 2013 and that's all too simple and easy.
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