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Feyachi M40 Magnifier Sight
The Feyachi M40 magnifier scope is a lightweight and compact. The 3x magnifier that is made to enhance the magnification of non-magnified red dots or holographic sight. The fixed 3X magnification will improve your target recognition and acquisition over medium-range distances. Designed to work with Absolute and lower 1/3 co-witness red dot sights, with a fast flip-to-side engagement. The push-button design of the M40 engages and disengages the flip-mount, allowing the magnifier to lock in place in either configurations. It has a rugged all-steel mount and features an adjustable diopter for fine focus adjustments and generous eye relief.
Features
- 3X Variable Magnification
- Adjustable Ocular Focus to Dial in the Desired Focus
- Comfortable Eye Relief
- Provides 2 Height can be aligned with Absolute Co-Witness or Lower 1/3 Co-Witness Red Dot Sights
- Steel Flip to Side Mount
- Broad compatibility with Red Dot Sights
- Quick-Attaching Thumbscrew Mount
Adjusting Focus
To adjust the focus turn the Focus Dial clockwise or counter-clockwise until the image is as sharp as possible
Windage & Elevation Adjustment
- Windage/Elevation adjustability for optimum view centering.
- After the M40 magnifier is mounted behind of the Red-Dot, the dot may seem off-centered while viewing through the magnifier. This will not affect zero. If desired, the centering screws can be used to move the dot up/down or left/right until the dot is more centered. Do not force screws once resistance is felt and the end-of-travel range has been reached.
Flip to Side Mount
- Depress the button and push the magnifier to the side to dis-engage the magnifier. Depress again and push the magnifier back to re-engage.
- The magnifier flip mount comes with a gasket plate, which can be aligned with lower 1/3 Co-Witness, or Simple Low Profile Red Dot Sights
Absolute Co-Witness Height with Flip Mount
- Positions the magnifier at 37 mm/1.46 inches from the base to the center of the optic. This puts the dot height at a center (absolute) sight picture when co-witnessed with standard A2 iron sights.
- For this configuration, do not install the included riser plate and use the shorter screws.
Lower 1/3 Co-Witness Height with Flip Mount and Riser Plate
- Positions the magnifier at 40mm/1.57 inches from the base to the center of the optic. This puts the dot height at a lower 1/3 sight picture when co-witnessed with standard A2 iron sights.
- For this height, install the included riser plate between the magnifier and the Flip-Mount and use the longer screws.
Maintenance
- Keep Lenses Clean
- When cleaning the lenses, be sure to use products that are specifically designed for use on coated optical lenses.
- Be sure to blow away any dust or grit on the lenses prior to wiping the surfaces.
- Using your breath, or a very small amount of water or pure alcohol can help remove stubborn marks like dried water spots.
- Lubrication
- All components of the magnifier are permanently lubricated, so no additional lubricant should be applied.
- Storage
- If possible, avoid exposing your magnifier to direct sunlight or any very hot location for long periods of time.
Inside the Box
1 x M40 3X Red Dot Magnifier
1 x Flip to Side Mount
1 x Gasket Plate
8 x Screws
1 x Allen Wrenche
1 x User Manual
1 x Cleaning Cloth
Raymond Lambert
Reviewed in the United States on February 3, 2025
Great quality and well made. The perfect partner for your red dot.
MAZHAR AL-ABED
Reviewed in the United States on January 27, 2025
Good product
Obersoldaten Kirk Joshua
Reviewed in Canada on July 26, 2024
Make sure you adjust your eye relief properly but its has a good build quality
AES442
Reviewed in the United States on July 22, 2024
My kid put this on his airsoft AR platform rifle. It is amazingly clear and brings things into focus! I'm going to say robust enough for a .22LR-maybe a .223/5.56
Esther
Reviewed in the United States on May 7, 2024
Our magnifier came and the lens was blurry to the point where we could not fix it. But after contacting the company, a new one was sent within a week with just an order number and picture. They were very easy to work with, very accomdating, and the new one came and it is perfect.
Ruger76
Reviewed in the United States on March 8, 2024
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Jim Dunlap
Reviewed in the United States on October 30, 2024
I have several Feaychi products. I've been very pleased with them especially at their price level. This is a good magnifier but the mount broke after two uses. Buying a new mount costs almost as much as replacing the whole thing. If the first mount broke so quickly it's a risk that the second one will too. Therefore I do not recommend this product.
minime
Reviewed in the United States on October 30, 2024
Mounts solid and has clear glass
ashley l
Reviewed in Canada on October 23, 2024
Decent little product, solid construction, glass is clear, but it's definitely not a 3x. More like 1.5x. Calling it a 2x would be generous.
Mike D
Reviewed in Canada on January 3, 2024
Once again, no ad copy telling you this will only handle recoil of up to a 223/5.56. The mount impairs the ability to use iron sights. Seems to be alright for smaller caliber rifles, just be aware that this won't live, stay adjusted, on a higher powered rifle. Useless for intended use.** EDIT !! As I have discovered, there is an issue between viewing ad copy on a PC and viewing it on a mobile device (ie; cell phone), where on a cell phone, it DOES give you a maximum recoil device it can be mounted on !!! This is a big issue, and one of the bigger reasons I returned these !!
Chris
Reviewed in Canada on April 19, 2024
Much better than expected. Easy to assemble, install, and zero. Provides plenty of eye relief, for me anyways. Can't go wrong at this price for something that's an exact clone of a name brand at 3-4x the cost. Glass is clear, hinge is secure, and a much better iteration than past 'M' versions. Can be used with red dot or etched reticles and the 3x is good to 100+ yards easily again, for me. Your results and eyes will be different than mine.
Remi
Reviewed in Canada on October 27, 2023
Sitting on my Vector 9mm, this bad boy is all you need. Perfect to get that little bit of extra range. Really big sight picture and stupid easy to adjust.
Rovic A.
Reviewed in the United States on October 18, 2023
This is “alright” magnifier if you are shooting on a stand or sitting down.Eye Relief is your enemy on this one. 2” inch is bad. Meaning you really have to get so close to see a good sight picture. If you are looking to get one for Airsoft, sure this is yours. For Combat or shooting targets on the move, STAY AWAY!Get something that says Unlimited Eye Relief like an EOTech. Spend that extra $400.
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