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Centerfire Rifles - Semiautomatic or Gas Operated Centerfire rifles, carbines and other gas operated rifles.

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  #41  
Old 10-24-2018, 5:35 AM
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Quote:
Originally Posted by Usmc0844spare View Post
Pics for what it's worth.


That mounting setup you have is not helping one bit. Every time you have a connection point you introduce an area for movement.

Spend the money and get a proper canted AR scope mount.
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  #42  
Old 10-24-2018, 5:54 AM
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Remove scope, rings, and mount. Throw in ocean.
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  #43  
Old 10-24-2018, 7:44 AM
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Use a real, dedicated AR mount. Buy a decent one, you will use it.

Test at 100.

To check for parallax, line up the crosshairs, then shift your eye around. If the crosshairs stay put on target, you do not have a parallax problem. If the shift relative to POA, then you do have a parallax problem.
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  #44  
Old 10-24-2018, 8:01 AM
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Originally Posted by NorCalFocus View Post
That mounting setup you have is not helping one bit. Every time you have a connection point you introduce an area for movement.

Spend the money and get a proper canted AR scope mount.
Agreed and would clarify, search for a cantilevered scope mount.

Here is one from aero precisions though there are many options from many companies:
https://www.amazon.com/Aero-Precisio...22QQQAGX02DDY6
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  #45  
Old 10-24-2018, 8:19 AM
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Get a one piece scope mount for AR. You have rings on a rail on a rail I use Weavers around 50 bucks return your scope and get a Vortex Diamondback HP or better yet Viper. Problem solved. At a minimum get a new mount. I have the Viper linked below with mildot reticle and like it a lot it is not a $1000 scope but is very serviceable.

https://www.midwayusa.com/product/92...de-focus-matte $299 Vortex Optics Viper Rifle Scope 30mm Tube 6.5-20x 44mm Side Focus Matte
https://www.midwayusa.com/product/14...op-ar-15-matte
https://www.midwayusa.com/product/24...al-rings-matte

Last edited by stevebla; 10-24-2018 at 8:33 AM..
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  #46  
Old 10-24-2018, 8:31 AM
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Primary Arms has that mount on sale for $54.99 right now. All Aero stuff is marked down.

Quote:
Originally Posted by Tehjosheh View Post
Agreed and would clarify, search for a cantilevered scope mount.

Here is one from aero precisions though there are many options from many companies:
https://www.amazon.com/Aero-Precisio...22QQQAGX02DDY6
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  #47  
Old 10-24-2018, 9:56 AM
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I had the same YHM cantilevered riser on my NRA Highpower rifle. I agree that the "flex" is pretty obvious. However, my set-up did not have the issues you are experiencing, which leads me to question the scope.
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  #48  
Old 10-24-2018, 7:04 PM
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Quote:
Originally Posted by audiophil2 View Post
ive had no problems shooting out to 500 yards with a $280 primary arms 4-14 scope. Ive had 2 $380 athlon argos variable power scopes get me out to 1 mile and both tracked as good as i would expect from a sub $400 scope. ive bumped them, moved them to different guns, and once zeroed they track right back to my dope charts. a lot of scopes in that price range have improved a lot in the last few years.
I've also got a 4-14 primary arms scope and mount, and it holds zero pretty much perfectly, not that I drop the rifle on the carpet or any thing. But I did initially make the mistake of not getting the loctite on the mounting screws right...lesson learned on that one. I've also got a more expensive Argos, but I'm not that happy with it so far. The parallax seems poor, but I've only got a couple of range trips on it so maybe I need more time to figure it out.

My advice. Remount the scope. That fixed my "broken" scope.

More loctite advice. If you have an ARgold trigger and adjust the pull weight screw, put some loctite on the screw or you will be eventually be looking for little parts of your trigger, which will be inside your rifle, if you are lucky...
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  #49  
Old 10-24-2018, 7:15 PM
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  #50  
Old 10-24-2018, 10:45 PM
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Originally Posted by SAD338 View Post
AR15barrels, How could he introduce 6 inches of error due to parallax or cheek weld given that he's shooting 1" groups with Irons?
With a scope that's setup to be parallax free at 150 or 200yd use being used at 50yds and inconsistent eye position behind the scope.
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  #51  
Old 10-24-2018, 10:50 PM
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Originally Posted by God Bless America View Post
To check for parallax, line up the crosshairs, then shift your eye around. If the crosshairs stay put on target, you do not have a parallax problem. If the shift relative to POA, then you do have a parallax problem.
It's super simple to see, yet so few people even understand what it is or recognize it could even be a problem.
Most people even believe the parallax distance markings on their scope are actually accurate too!

As an experiment, walk up to almost any shooter at a public range who you see shooting 6" groups at 50 or 100yds and engage them about their scope.
Set the parallax correctly and tell them to shoot another group.
7/10 times, the groups get significantly better and they look at you like you are some magician.
The other 3 times, it's the guy with his 12" extended bipod sitting upright at the bench and not even using a rear rest of any sort.
That guy has even bigger issues than parallax...
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Last edited by ar15barrels; 10-24-2018 at 10:52 PM..
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  #52  
Old 10-25-2018, 6:24 AM
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Quote:
Originally Posted by ar15barrels View Post
As an experiment, walk up to almost any shooter at a public range who you see shooting 6" groups at 50 or 100yds and engage them about their scope.
Set the parallax correctly and tell them to shoot another group.
7/10 times, the groups get significantly better and they look at you like you are some magician.
The other 3 times, it's the guy with his 12" extended bipod sitting upright at the bench and not even using a rear rest of any sort.
That guy has even bigger issues than parallax...
So true. Most guys have no idea.
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  #53  
Old 10-25-2018, 6:42 AM
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Different question

Do you have another rifle with a proper scope that you shoot well?

I have 2 friends who are OK shots. They added red dots thinking this would make them shoot like Jerry Miculak

They still can’t hit well with the red dot.

I’m wondering if you are new to scopes and you have changed something about how you align the sights and press the trigger. If your cheek weld has changed from consistent with Irons to a chin weld with optics
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  #54  
Old 10-25-2018, 3:53 PM
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not a fan of that scope rail sir, get an AR cantilever like an American Def.
There are alot of value AR optic mounts at Primary ARms as well, would then later swap that hawk optic out, with something in the mid grade price range, hell even an Leupold VX would be a good option.

https://www.primaryarms.com/MCategories+Scope-Mounts
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  #55  
Old 10-25-2018, 4:21 PM
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Quote:
Originally Posted by Usmc0844spare View Post
So I recently installed one of the more economy brand ($200) scopes...



Found your problem!
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  #56  
Old 10-26-2018, 1:05 AM
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Aero Precision also makes several excellent light weight cantilever mounts which aren't terribly expensive.


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  #57  
Old 10-26-2018, 9:14 AM
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Thanks all, lots of good advice here.

As I mentioned previously I am doing fine with another similar econoscope (Mueller) on a 10/22. Although I am not used to optics I am slowly figuring it out.

I am gonna mount the "proven" Mueller on the current mounting platform on the AR, take it to the range and see how that goes, and also bring along my PA Cantilever mount and swap that out as well as needed.

Why not go right to the PA Cantilever one piece? Well, I only want to change one variable at a time. Plus the PA is is just a "bit" too high for my liking, although in theory its at almost exactly the same height as the irons were (.10" higher) so it should be workable.

Also I think someone asked who built the upper. That would be me. Aero Precision stripped upper, faxon 18" 1:8 barrel rifle gas length, YHM econobrake, ALG rail, Nitrided BCG.

My trigger is a nice Geissele B-G2S-E (the kind they sold only through Brownell's).
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  #58  
Old 11-18-2018, 2:54 PM
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So..

I swapped out scopes between my rifles and the issue is def the scope. With the Mueller formerly on the 10/22 mounted on th AR, the AR is doing much better.

When I mounted the HAWKE on the 10/22, I expected the 10/22 accuracy to go to crap, but it did not, at least not as bad as it was on the AR. So that is a little odd.

Regardless, I am just going to buy a new Mueller to replace the Hawke. While the Hawke ain't so bad on the 10/22, the Mueller is brighter and clearer.
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  #59  
Old 11-18-2018, 3:03 PM
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The 22 has MUCH less recoil than the AR so the "not soo great" scope is likely more forgiving on that gun
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