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#5691044 - 04/08/15 08:56 PM Nightforce ATACR 5-25x56 F1
300_WizzM Offline
Woodsman

Registered: 03/15/14
Posts: 243
Loc: Grand Saline, TX
Its on the way. Will have the MIL R recticle and .1mil turrets.

Now my question what height of rings. Was going to use seekins 34mm. Will be using a 20MOA rail. And from what I have been reading barrel profile comes into play also and it is a M24 contour (Krieger).

Also I hope everyone that suggested a mil/mil scope is right. LOL

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#5691080 - 04/08/15 09:16 PM Re: Nightforce ATACR 5-25x56 F1 [Re: 300_WizzM]
bobsumner Offline
Woodsman

Registered: 09/03/13
Posts: 180
Originally Posted By: 300_WizzM
Its on the way. Will have the MIL R recticle and .1mil turrets.

Now my question what height of rings. Was going to use seekins 34mm. Will be using a 20MOA rail. And from what I have been reading barrel profile comes into play also and it is a M24 contour (Krieger).

Also I hope everyone that suggested a mil/mil scope is right. LOL



Very nice, I expect to put this optic on my new build.

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#5691174 - 04/08/15 10:04 PM Re: Nightforce ATACR 5-25x56 F1 [Re: 300_WizzM]
6.5x47Lapua Offline
Tracker

Registered: 12/13/14
Posts: 518
Loc: dfw
I love seekins rings, but have a look at the arc m10 rings too.

That scope has a lot of potential. Great choice.

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#5691224 - 04/08/15 10:28 PM Re: Nightforce ATACR 5-25x56 F1 [Re: 6.5x47Lapua]
300_WizzM Offline
Woodsman

Registered: 03/15/14
Posts: 243
Loc: Grand Saline, TX
Originally Posted By: 6.5x47Lapua
I love seekins rings, but have a look at the arc m10 rings too.

That scope has a lot of potential. Great choice.


Which height will I need in these rings? They look cool and everyone talks highly of them. I'm willing to give them a try.

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#5691322 - 04/09/15 02:22 AM Re: Nightforce ATACR 5-25x56 F1 [Re: 300_WizzM]
6.5x47Lapua Offline
Tracker

Registered: 12/13/14
Posts: 518
Loc: dfw
Call either of them directly. I bet they will help you out.

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#5691366 - 04/09/15 06:04 AM Re: Nightforce ATACR 5-25x56 F1 [Re: 300_WizzM]
dee Offline
Extreme Tracker

Registered: 04/10/10
Posts: 4664
Loc: Red River way
It depends on rings but medium or highs will likely work.
_________________________
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt

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#5691777 - 04/09/15 09:31 AM Re: Nightforce ATACR 5-25x56 F1 [Re: 300_WizzM]
FiremanJG Offline
THF Celebrity

Registered: 12/16/08
Posts: 17893
Loc: Wolfe City, TX
Originally Posted By: 300_WizzM


Also I hope everyone that suggested a mil/mil scope is right. LOL


Really? After spending a day with me on the range I didn't convince you? I need to figure out where I went wrong...
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#5691824 - 04/09/15 09:52 AM Re: Nightforce ATACR 5-25x56 F1 [Re: 300_WizzM]
Ritter Offline


Registered: 02/15/09
Posts: 246
Loc: Southern Oklahoma
WizzM, here is a way to measure for ring height that is posted on another forum.

"...there is a systematic way of calculating ring height that doesn't require more than a simple elementary school ruler. You measure 3 things:
1. the height of the front of your base/rail from the barrel
2. the height of your rings from the top of the rail to centerline
3. the outside diameter of the bell of the scope (not the size of the objective lens)

Here is the equation:
[rail height + ring height] - [bell diameter x 0.5]
If the value is positive, then your bell will clear the barrel. Optimally, you want that bell to be about 1/4" or less over the barrel. This will give you a tight cheek weld and provide for more precise trajectory. Be sure to account for Butler Creek caps if you intend on using them.

If you are using a 40mm objective, then you can use the lowest rings and bases available, as the bell will certainly clear the barrel with no problem.

40mm or less - low rings all the time
50mm obj - low rings on < 5 contour
Medium rings > #5 and up (strait barrel get med high)
56mm obj Medium on < 5 contour (sometimes med high)
Medium high on sendero contour
High on >7 contour

34mm...
50mm objective - lows will work all the time
56mm objective - lows < sendero or #5 contour Sometimes lows will fit number 7 contour barrels, but it depends on how long the shank is after the smith installed it.
Highs for sure anything larger than #7"
_________________________


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#5692451 - 04/09/15 03:36 PM Re: Nightforce ATACR 5-25x56 F1 [Re: FiremanJG]
300_WizzM Offline
Woodsman

Registered: 03/15/14
Posts: 243
Loc: Grand Saline, TX
Originally Posted By: FiremanJG
Originally Posted By: 300_WizzM


Also I hope everyone that suggested a mil/mil scope is right. LOL


Really? After spending a day with me on the range I didn't convince you? I need to figure out where I went wrong...


May have to come back and get you to teach me mils. Everything I have as of now is MOA. smile

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#5692454 - 04/09/15 03:39 PM Re: Nightforce ATACR 5-25x56 F1 [Re: 300_WizzM]
300_WizzM Offline
Woodsman

Registered: 03/15/14
Posts: 243
Loc: Grand Saline, TX
Thanks for the info Ritter. Guess I will have to wait till I have all the pieces in hand. Was just trying not to have to wait on scope rings once I get my rifle back.

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#5692732 - 04/09/15 06:24 PM Re: Nightforce ATACR 5-25x56 F1 [Re: 300_WizzM]
FiremanJG Offline
THF Celebrity

Registered: 12/16/08
Posts: 17893
Loc: Wolfe City, TX
Originally Posted By: 300_WizzM
Originally Posted By: FiremanJG
Originally Posted By: 300_WizzM


Also I hope everyone that suggested a mil/mil scope is right. LOL


Really? After spending a day with me on the range I didn't convince you? I need to figure out where I went wrong...


May have to come back and get you to teach me mils. Everything I have as of now is MOA. smile


Say when.

Or just call me...
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Long Range Shooting Instruction
Memberships and Classes Available


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