


HOLOSUN 407K-GR X2 6MOA GREEN DOT
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
HOLOSUN 407K-GR X2 6MOA GREEN DOTOVERVIEW The HE407K GR X2 is an open reflex optical sight designed for subcompact pistol applications. The HE407K GR X2 improves on previous the version by adding Lock Mode which was first introduced in Holosun's 2018 LEM pistol optic models. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Additional features include Holosuns Green Super LED with up to 50k hour battery life, a crisp 6MOA dot, and Shake Awake. The
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- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.1 ★★★★★
Based on 738 reviews
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Product Reviews
★★★★★ 5
Perfect fit, Easy install, Better than taking it to a dealer.
This filter fits perfectly and easily. Unlike the dealer-installed filter (which I assume was an OEM filter but maybe not), it has arrows that indicate which side and orientation should be facing outward. The dealer-installed one does not have this and, as you can see from the photo, it was installed incorrectly. It should not be folded in on the sides. The old filter in the photo is after about 20K miles if that is a useful reference for you.
Also, if you watch any YouTube videos, you will see a reference to releasing a plunger as the first step in releasing the glovebox door. For my 2018 Honda Accord Touring, there was no plunger, and that was confusing to me. If you don't see one, just go to the next step -- squeezing in the top, back corners of the glove box to fold it down. After that, everything goes like in the videos.
Getting back to this filter -- it seems like it's better quality than the dealer-installed one. Shipping was fast. I would buy it again but, because this only takes a couple of minutes, next time I would do both the cabin and engine air filter at the same time so you might save a little money buying the combo set. Again, a very easy install and you don't risk having a dealer doing it incorrectly.
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Reviewed in the United States on September 13, 2025
★★★★★ 5
Perfect fit
This fit perfectly into my cabin air filter slot. Save me a lot of money, getting it off here as the mechanics went to charge so much more money just to slip this filter into your car. Anyone can do it so don’t hesitate to do your own cabin filter exchange and save yourself big bucks.
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Reviewed in the United States on January 1, 2026
★★★★★ 4
Nice product
It’s good
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Reviewed in the United States on May 19, 2026
★★★★★ 5
It was a good fit
It was a good quality
Thanks
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Reviewed in the United States on April 13, 2026
★★★★★ 5
DIY forget the dealer
DIY value
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Reviewed in the United States on March 25, 2026
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