I don't think there's anything I don't like about them. I've never had a chance to compare it to the C Series, but it's every bit as good as the Vortex Razor HD. I like the grip and I feel better too. All the complaints I've read about it are pretty much unfounded. For example, there is no diopter lock. Okay, my diopters are very tight. First, it's hard to turn. No problem. The only thing I regret is that I didn't check the strength of 9. 11 is a lot but a bit difficult to maintain stability.
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