Rifle Scopes Help! Flip-up scope covers and killflash ARD advice needed

Montana Billy

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Minuteman
Jun 4, 2011
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SW Montana
Before I buy: Can you tell me the numbers for Butler Creek flip-up covers and SunGuard (Tenebraex) killflash I should order for the following:
ATACR 5-25X56
NXS5.5-22X50
NXS5.5-22X56

What I have come up for the Butler Creek flip-ups is: ATACR and NXS5.5-22X56: Objective, #39; Ocular, 17
NXS5.5-22X50: Objective #31; Ocular, #18

Does that mean for the SunGuard I order 56mm, #39, and 50mm, #31? If so, why do I also see a SunGuard ARD for 56mm NXS at $99.99, five times more than for the other SunGuard ARDs?

Thanks in advance for your help.
 
Or you can go on Euro optic and look up the covers that Tenebraex makes for the ATACR. They seem much better then the B&C's that I break on a weekly basis and there is a screw in device for the objective and the occular has a mounting system that allows rotation without flipping all around like the B&C's do: Tenebraex - EuroOptic.com

Sully
 
Montana Billy I have had many optics, I am kind of a junkie in that area, and the ATACR is my all around favorite scope. I have yet to grab an S&B or Premier but have seriously had just about every other scope out there and the ATACR is king. I don't find sfp to be an issue for the shooting I do and I have one moa and one mil and both are great. You will not be sorry.

Sully