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Misaligned Scope mounting holes

 
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  #15  
Old 07-26-2014, 07:46 PM
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Join Date: May 2014
Location: Tucson (Vail), AZ
Posts: 19
Re: Misaligned Scope mounting holes

I didn't like the looks either, so spent about 3 hours last night with a small Mag light in my teeth, adjusting back and forth between the inserts, which are somewhat of a a pain for minute adjustments, and the adjustable bases. Used 3 sets of batteries in my bore laser trying to get it where it worked good enough that I figured it was as close as I could get. I would think that someone would make a bore laser that was smaller than 1" Diameter at 25 yards or at least make a green bore laser where it can be seen better in daylight. Maybe they have them, but have never seen one.

I don't like maxing out scopes, like lots of adjustment room so am somewhat of a perfectionist in trying to keep them centered. I think mainly since my eyes have been going bad, I've gotten worse about it. Anyway have reached as happy of a compromise as can be expected for now. Would still like to know how or who installed drilled and tapped the original bases. What a PIA. Rifle came without iron sights so suspect that it was factory install, as he told me, but really who knows?

Anyway, between several alternatives offered by members, I reached a happy compromise and will just have to see if it is as good as I think it is.

Thanks again to everyone.

Bruce
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  #16  
Old 07-27-2014, 11:56 PM
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Join Date: Apr 2003
Location: North Bend, Oregon
Posts: 1,212
Re: Misaligned Scope mounting holes

An in the chamber laser may or may not reflect the curve in the barrel and that can easily be 40 MOA or more. Best bet is to shoot it.

I have several laser bore sighters and they can be seen in daylight as long as it's not real bright but they either go in the bore at the muzzle or stick to the end of the barrel with a strong magnet. They are no better than sighting through the bore with my eye.
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  #17  
Old 07-28-2014, 02:21 PM
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Join Date: May 2014
Location: Tucson (Vail), AZ
Posts: 19
Re: Misaligned Scope mounting holes

RE: Bore Sights: I tried the kind that stick in the Bore from Bushnell and after 3 tries I gave up on the type. If you put the bore sight in the barrel, lube the insert a little bit, remove and rotate the bore sight, you can end up with a 8" -10" diameter circle. There are a series of small Allen wrench adjustments around the perimeter of the bore sight, where supposedly you can adjust the laser, but the smallest circle I have been able to get it down to was a 1 1/4" at 15' after screwing around with it for about an hour. Even called Bushnell and they replaced several of them, but now have 2 brand new bore sights I don't trust. Would sell them cheap.

Went to a internal bore sight and went through 3 of these until I finally got one from all places, China that was actually centered. Marked each one with a Sharpie pen line on the top and then rotated it in the chamber 45 degree's and marked each spot on the target. the last one came up very good at 15' through an entire rotation. I recheck it periodically, but is still close enough to get me on paper when I don't have the time to go shoot, since the range out here isn't convenient.

Unfortunately the sun here in Tucson washes out most lasers at anything over about 20'. My 1000' commercial Rotary laser is only good for about 600' here. Noticed that most commercial lasers are going to Green.

With the problems I had even getting this thing onto paper, I'm content that I'm close enough and can use the Scope for adjustment to finalize it.

If the darn thing has a curve to the barrel going to be very surprised. the triangular barrel gives it more stiffness that most circular barrels of the same caliber, but could be mis-drilled I guess or bent at the factory, but with a bright light, there's no internal shadows, just nice concentric rings. Won't know until I shoot it in. Actually, the only reason it hasn't been shot in is that a friend with his 1/2 MOA eyes will do the shooting (I have cataracts, which are going to be removed in a couple of months) and he isn't available for a couple of weeks.

Anyway, thanks for all the input from everyone. Have meaned out the difference between the Burris inserts, the adjustable bases and the scope and am confident I can get it on the paper at least. Actually, am more optimistic than that, but I can still be surprised.

Thanks again,

Bruce

I just finished Hillary Clinton's book and think it should be rated as "Fiction". Just some more of the Clinton's Metal Masturbation of themselves.
It pays to know the opposition.
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  #18  
Old 07-28-2014, 06:05 PM
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Join Date: May 2014
Location: Tucson (Vail), AZ
Posts: 19
Re: Misaligned Scope mounting holes

Sorry, meant "Clintons Mental Masturbation"...LOL
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