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Scope durability opinions

This is a discussion on Scope durability opinions within the Optics forums, part of the Gun Forum category; I have a M1a setup in a JAE G3 chassis with a SEI mount that is solid as a rock with Badger ordnance rings and ...


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Old February 25th, 2017, 04:38 PM   #1
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Scope durability opinions

I have a M1a setup in a JAE G3 chassis with a SEI mount that is solid as a rock with Badger ordnance rings and a Nikon Tactical scope. I was having some issues with my zero changing and erratic groups..I went from a solid 1/2 in Moa to 4 inches within 10 shots...So my question is this, Is the M1a hard on optics. I have a new Leupold Mark 4 6.5-20 just sitting in the box but I have fear of ruining that scope..I have not has any problems before and it just went nuts today.The loads I was using were all Lake City 73 prepped and individually weighed powder charges of 4895 at 41.5 grains. So Whats the opinions on the scope dumping?

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Old February 25th, 2017, 05:01 PM   #2
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Leupold will fix or replace it no questions ask, shoot it!

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Old February 25th, 2017, 05:28 PM   #3
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I have plenty of mileage on my VX-III 6.5 - 20 in the rear and getting there with my MK 4 8.5 - 25 in front. No problems in the JAEs at all. Both of these rifles are shot weekly if not more and usually 50 to 100 rnds per outing.



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Old February 25th, 2017, 05:33 PM   #4
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Originally Posted by nf1e View Post
I have plenty of mileage on my VX-III 6.5 - 20 in the rear and getting there with my MK 4 8.5 - 25 in front. No problems in the JAEs at all. Both of these rifles are shot weekly if not more and usually 50 to 100 rnds per outing.



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That would make a fine wall mural

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Old February 25th, 2017, 05:35 PM   #5
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Howdy,

I have two national match rifles, one in a JAE100 G2 and the other in a JAE100 G3.

They both have Leupold MK4 4.5-14 target scopes and they work fine.

I have had M14 clone rifles since the mid-70's and they always had a Leupold of some sort.

Two of my air rifles have Leupold scopes and they really beat up a scope - more than most centerfire rifles.

As mentioned above, the lifetime warranty does not hurt.

All of my rifles, but one, have Leupold scopes - no complaints.

Keep yer powder dry and your mounts tight,

John

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Old February 25th, 2017, 05:37 PM   #6
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Steve,
You're listing four pieces of equipment, and the one with the worst history is the mount. I'd check that first before I blame Nikon. My Gen III worked fine until one day.....

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Old February 25th, 2017, 05:50 PM   #7
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Steve, your Mark 4 is safe on the rifle-if it does break(shouldn't from recoil) send it back to manufacture they will fix it.

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Old February 25th, 2017, 05:56 PM   #8
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I'm not bashing nikon in anyway, I have a couple nikons from when a nikon was a nikon. Not a monarch or pro staff or any other BS.

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Old February 25th, 2017, 06:13 PM   #9
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Steve,
You're listing four pieces of equipment, and the one with the worst history is the mount. I'd check that first before I blame Nikon. My Gen III worked fine until one day.....
I have checked the mount and it is still tight at the proper torque, Could you elaborate what problems are associated with this mount?

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Old February 25th, 2017, 06:48 PM   #10
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Yes the M1a platform is hard on optics. It the whiplash they get .

But a decent Lupy will have no issue and the Mark is fine. VX3 has held up fine for me.

Lupy stand behind there product anyway if there was an issue.

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Old February 25th, 2017, 06:49 PM   #11
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Scope

Quote:
Originally Posted by Wasted ammo View Post
I'm not bashing nikon in anyway, I have a couple nikons from when a nikon was a nikon. Not a monarch or pro staff or any other BS.
I know your not, I have several of the Nikon tactical, Not the tactical Xs and have had nothing but stellar performance......I guess I am in the troubleshooting phase of a new rifle......I have checked the base and am going to put my Leupy on and am going to get some more brass of a better quality and see what happens...As aggravating as it is I must admit I do like the challenge...Thank you for your help

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Old February 25th, 2017, 06:53 PM   #12
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Yes the M1a platform is hard on optics. It the whiplash they get .

But a decent Lupy will have no issue and the Mark is fine. VX3 has held up fine for me.

Lupy stand behind there product anyway if there was an issue.
The mark 4 I have is in as new condition,My shooting buddy died in November and I acquired most of his stuff including this scope..It had some spotting of oil or something on the inner lenses so I shipped it back to Leupold for repair and they went through it and I just got it back yesterday..As you say they have excellent service...3 week turn around.

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Old February 25th, 2017, 06:53 PM   #13
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I have a lupy mk4 scope on my ebr and it is fantastic. I would not be afraid to use these scopes. Just picked up a second Mk 4 scope for a different rifle and still not disappointed.

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Old February 25th, 2017, 07:02 PM   #14
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Originally Posted by Stevep51d View Post
I have checked the mount and it is still tight at the proper torque, Could you elaborate what problems are associated with this mount?
My SAI Gen III in particular doesn't fully seat in the grooves on the rifle, and that, combined with the oversize thumbscrew hole in the mount, can cause the mount to not have repeatable zero and shift while shooting. Also, the poor fit can be attributed to out of spec receivers, either the bolt hole and/or the grooves not being in the proper location. You really have to be careful when setting the mount in the grooves and screwing the bolt in. When mine failed me, all was tight, just wasn't hitting my mark.

I don't man to say it's absolutely the mount. Maybe borrow another scope?

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Old February 25th, 2017, 07:04 PM   #15
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Scope

I thought my Nikons were the brightest of scopes I have used but the Leupy is Just as bright and I need the extra power for the shooting I do which is off a benchrest.....I must say since my friend passed it gets mighty lonely but the family allows me exclusive rights to shoot on the farm and we have a very nice 500 yard range set up and can reach out to 1000 if I want to but it is more work to me than it is worth..I spend more time driving back and forth to the target than I do shooting.

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