Feyachi 3X Red Dot Magnifier with Flip-to-Side Mount – Adjustable Focus, 37mm & 40mm Height Options, 800G Shockproof – Compatible with Most Red Dot Sights

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1. Justin E Verified Buyer – 30 March 2024

   One range day so far of just sighting it in along with a new red dot, and the 3x magnification worked pretty well. I liked the option of having it flip to the right for right handed shooters, as it keeps the magnifier out of my line of sight when not in use. Seems well built, but I wont know that for sure until I put a lot of rounds down range without any issues.
   

2. Luis Verified Buyer – 1 November 2024

   Buenísimo
   

3. Ltj Verified Buyer – 4 December 2024

   Bought 2 of these to add to my son’s Holosun optic and my sig sauer red dot. Works great on both optics, but on his the mounting screws became loose after every 30 to 50 shots, so I had to tighten them down more than I had to on mine. I’m shooting a 300 blk and he’s shooting a 5.56. Would buy again and wish they came in FDE!
   

4. Claudine Verified Buyer – 7 December 2024

   Very poor eye relief. Build quality seems good, good button press and flip to side, it does shake a little. *DOES NOT FIT unity riser*. Functions well.
   

5. Michael Verified Buyer – 4 February 2025

   This magnifier doesn’t have great eye relief. It might be okay on an AR where you can collapse the stock and get your head really close to it, but any stock that might be fixed, this doesn’t work at all. You almost have to put the butt into your elbow and crank your neck forward to get your head close enough to the magnifier to eliminate the black ring.
   

6. LotsofGoodies2Review Verified Buyer – 6 February 2025

   Right out of the box the m41 is hands down better than the zoomable magnifiers feyachi sells, the flip to side mount the adjustable turrets and even the over all feel is superior comparing to their m57 1.5x-5x magnifier. The m41 is the same as the m40 its just the flip to side mount goes to the right instead of the left. for me I like it that way since I’m a right handed user and my view isn’t obfuscate with the body blocking my left eye. The package comes with the magnifier, the flip to side mount, a raiser plate to go from absolute co-witness to 1/3 co-witness, 2 sets of different length screws (for 1/3 or absolute fit) which come with 1 extra each (so nice) they are rated HKP 10.9 (if you know you know), and with an allen wrench, cleaning cloth followed by the manual. The lenses are clear and clean, I didn’t see any fisheyeing from either side of the lenses and no noticeable discoloration. the diopter adjuster felt stiff at first but after breaking it in felt smoother and had no problems with it afterwards. the lens is easy to adjust and retain their adjustment with no need to modify (like I had to with the m57). The body of the m41 feels solid and heavy with good construction on it, the magnifier with the mount attached weights in around 10.5 ounces (m57 at 12.8oz) and with the raiser plate its at 10.7oz. the turret caps come with an embossed heads that allow to adjust the m41 turrets with, so no need to have tools on hand (like I had to with the m57). The flip mount feel tight and secure with its flip action. The first time I flipped it felt very stiff that I thought it came defective, but after pushing through the stiffness it loosened up a bit and now feels smooth as butter (unlike the m57…it was the opposite from feeling ok too lose as a goose with over travel). the mount is fixed to the magnifier from the bottom with two screws and locked in by a lug in the center of the body (nice touch to prevent recoil from jarring it). The only gripe I have with the flip mount is, there is no recoil lug to solidify the mount to the 1913 rail, which is a shame but not world ending. The size of the m41 body is about 2.93 inches (pretty close to 3 inches) which worked out great for how my set up is at the moment (my build is ever evolving with no end in sight). I was able to move my red dot in a position that allowed the m41 to give space to my 45degree irons (votatu v3 because the v9 has the buttons facing outside…these companies have a strange naming sense) the m57 took way too much space and didn’t allow my to use the irons which makes me excited that I don’t have to return my irons now (yay…). I give this product a 5 out of 5. It feels good, rated for 5.56mm, looks clean with no markings (thank feyachi) and doesn’t wiggle like a rubber chicken (I’m looking at you m57). Feyachi redeemed themselves to me with this product and I’m looking forward to their future line up going forward. Thanks feyachi for making a good budget magnifier that can be reliable and nice looking.

   

7. Zon Customer Verified Buyer – 25 February 2025

   Only put a few rounds through so far with this magnifier but it works well and able to see down range in targets now.
   

8. Kevin Henry Verified Buyer – 14 April 2025

   Works as advertised. Eye relief is not the best but you get what you pay for