Kahles K624i 6-24x56 – Dual Purpose Long Range Rifle Scope Review

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Such a good review. The technical aspects you are able to review with laboratory equipment that reduce reviewer bias is awesome. I sure like my Kahles and this review solidifies why.
 

HARPERC

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I always learn something from you Bruce. So far I've learned I'm going to have to take this one in smaller bites, as to not choke on the info. Very good review that challenged my understanding all the way through. Thank You for putting in the time.
 

Eaglet

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That's some review!
 

bruce_ventura

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Thanks guys. The K624i is a damn fine scope. I struggled to find any flaws. It is totally reliable. Very few scopes would survive that scrutiny with such a good review.

My goal is to raise the bar for optic reviews so that the gear heads among us will have something to bite into. I was concerned that the review would be too long. I realize it's a slow read. Feel free to pm your feedback - I want to strike a good balance between technical depth and readability.

I rewrote the OpticsReports.com website this weekend. As I write more product reviews and publish them here, I'll put the background information on OpticsReports.

I would like to collaborate on future reviews whenever possible. I can do the lab tests and pass the scope to someone else for the field test. Feel free to make requests for optic reviews. PM Jeff and me - Jeff will manage the interface with the manufacturers and reviewers.

FYI, Kahles products will be on the HighPowerOptics website later this week. They'll be giving LRO members preferred pricing - pm me for details. HighPowerOptics will be getting more Kahles inventory as well.
 

JLR

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We've been running and selling the Kahles scopes for almost 2 years now and they are indeed fine scopes. Very glad to see some other folks finding the same!
 

gebhardt02

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There is so much technical knowledge applied to these tests! What a great review, thank you.
 

David

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Do I understand that the elevation adjustement is limited to 12 mils from the center off adjustements without distortion?
If I use the scope with a 20 moa base will this add to the usable range in the scope?
12 mils scope +8 mils from the base giving me a total off 20 minutes correct elevation
Thank you for the review.
 
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Awesome review. Really appreciated the techinal aspects.

I really appreciate the honesty about the features you found as flaws or less than optimal. I agree with you that all scopes have certain compromises, and having those laid out so well is very valuable information.

Thank you for your time and effort.
 

strow

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For any that have been behind both, how does the K624i compare to the NF 5-25x ATACR?

My understanding is the Kahles might have a slight glass advantage (depending on your eyes) and the NF probably has a slight durability and repeat ability advantage.

I do like the center dot in the SKMR3 reticle and I think we will start to see a lot more of them in the future.
 

Greyfox

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Excellent review Bruce!

At the close of a recent PRS Match some of the participants lined their rifle/scopes on the line, on the 1015 yards targets situated in a shaded, fairly low contrast area of the range. Among the various scopes was the Kahles 624, Nightforce ATACR-F!, Vortex Razor Gen2, VortexAMG, and an S&B PM2. It was a great opportunity to to get a side by side look at the most popular scopes within the 5x27x power range under similar conditions. While all scopes seemed quite good it was interesting that, while only a quick reaction from the shooters, the majority concurred that the ATACR-F1 provided a noticably brighter/clearer sight picture, myself included. It would be interesting to see a scientific comparison of the F1.

The test conducted in Kahles review for “glare” was of particular interest me. Given tracking, durability, etc, are all acceptable, performance of a scope in high glare and the yellow/orangewashing out a clear sight picture has been of major importance to me. I have seen differences between the “high end” scopes in their ability to deal with this issue. Being primarily a deer hunter, this wash out frequently encountered with low sun at dusk and dawn, or the glare created by sunlight on ice covered tree branches has cost me a clear shot on numerous occasions.

 

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