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Posted: 9/2/2013 5:52:41 PM EDT
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i need some help and wanted to see if anyone here has run into my problem before and how to fix it??
(AR lower w/ CMMG .22 upper and BSA red dot = this combo has been so fun and dead nutz accurate 25yds rapid shooting i can put a full mag into a fist sized spot, slow shooting is golf ball size spot) i was out to the range today as it was fairly nice (warm and sunny but not hot). and i had my bench set up (army blanket, range box, shooting bag, umbrella, etc..) and i had my AR laying on the bench also while i was talking with a new friend for a bit and my rifle got warm sitting in the sun and when i started shooting all my rounds were hitting 1-2 inches right for some reason?? everything was tight and just yesterday when i was out, it was shooting dead on! so can it be that my red dot shot right from getting warm in the sun or is it something else?? thanks for any help! . |
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Quoted:
how can trigger pull affect accuracy like that? I would say it would be possible that your red dot doesn't hold the greatest zero or maybe you just bumped it. Did you try to shoot anymore groups? If so were they all showing the same thing? and were you shooting the same ammo? |
| If you dont pull the trigger straight back it can make your rifle twitch to the right if your right handed. It's actually very natural to do this and you must mentally use good trigger control to combat it. Yuo grip on the rifle and trigger finger placement also contribute to a consistent trigger pull. The more mechanical you are with your movements the more consistent and accurate you will become. |
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i have had the red dot on there for a few months and never given a problem and i havent bumped it and i went through several 'shoot-n-c' targets and all were grouping the same which was 1-2 inches right. i didnt want to adjust the scope but next time i go out and if it is still shooting right then i will adjust it.
and tacrifleshtr, now that you mention it i did open a different box of ammo. was shooting M-22 Winchester and went to Federal auto match. i know ammo can affect accuracy a bit but two inches is a lot i think isnt it? |
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Quoted:
i have had the red dot on there for a few months and never given a problem and i havent bumped it and i went through several 'shoot-n-c' targets and all were grouping the same which was 1-2 inches right. i didnt want to adjust the scope but next time i go out and if it is still shooting right then i will adjust it. and tacrifleshtr, now that you mention it i did open a different box of ammo. was shooting M-22 Winchester and went to Federal auto match. i know ammo can affect accuracy a bit but two inches is a lot i think isnt it? Depending on the distance and rifle, changing ammo can cause up to a 3-5 inch shift in the point of impact of a .22 LR, and that is with similar loads. Going from high velocity stiff to low velocity stuff can result in huge shifts. |
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Quoted:
Depending on the distance and rifle, changing ammo can cause up to a 3-5 inch shift in the point of impact of a .22 LR, and that is with similar loads. Going from high velocity stiff to low velocity stuff can result in huge shifts. everything you need to know is in my original post. (AR @ 25yds) but like i said im really surprised it can change that much and if it does change i would think it would be vertical and not horizontal! |
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everything you need to know is in my original post. (AR @ 25yds) but like i said im really surprised it can change that much and if it does change i would think it would be vertical and not horizontal! Quoted:
Quoted:
Depending on the distance and rifle, changing ammo can cause up to a 3-5 inch shift in the point of impact of a .22 LR, and that is with similar loads. Going from high velocity stiff to low velocity stuff can result in huge shifts. everything you need to know is in my original post. (AR @ 25yds) but like i said im really surprised it can change that much and if it does change i would think it would be vertical and not horizontal! Your first post described your ability to shoot a certain size group at 25 yards. It said nothing about having your group shift at that distance when you changed ammo. You may have intended to communicate that, but your poor grammar, sloppy formatting, and lacking punctuation really damaged your ability to communicate effectively. In any event, with different loads of similar velocity, poi shift tends to be random. The guys who know more about this than me tell us that such is because vibrations in the gun barrel cause the muzzle to whip about as the bullet travels along and when the bullet exits the barrel at a different point of the whip, the bullet travels a slightly different direction. This is why free floated barrels tend to be more accurate- nothing but the upper contacts the barrel so the barrels movements are consistent from shot to shot. |
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It's most likely the shitty red-dot. Even high end red dots will shift some, and all of them have some parallax (inconsistent shouldering can bring that out).
If not, the ammo could do it easily. Then again, it is possible that your trigger finger is the culprit. That happens ALL of the time - a consistent error in technique - many people sell guns because they develop a jerk or drop and think it's the gun because they were hitting the target last week. Pretty much what everyone has told you. It could be other things, but these three count for about 99% of all POI shifts with a red dot. Since you're shooting .22, the loads can vary wildly (3-5" at 25 yards is a lot, but it's possible), and shooter error is the number one cause of problems. The fact that you can't troubleshoot this one yourself tells us that you're not in tune with the intricacies of marksmanship, so shooter error isn't out of the question. If a parallax shift from inconsistent form is to blame, that could be interpreted at shooter error too. Dude nagging on communication needs to chill. This is the Internet after all. I never could understand how people that do not have the temperament to deal with students insist on teaching. |
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i have had the scope on their for many months and never had a problem before and i have handled the gun the same all time but its possible it maybe been bumped but i would certainly remember if it did?
as for trigger pull i do it the same as i always have on all my guns, always put trigger in same spot on finger and slow squeeze through the shot. first thing im going to try is my other ammo i had been using and see what it does and if its still shooting right i will adjust and go from there. thanks to those who helped and i have blocked the jerks |
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