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Questions & Answers
Will this fit the s&w M&p 5.7 Expert Answer

Yes, the Holosun Sub-compact HS407K-X2 Red Dot Sight will mount directly to the optic ready slide of the M&P 5.7 without the need for any adapter plates.

by Ethan, Gear Expert, June 19, 2023
will this fit a sig p365x Expert Answer

The Holosun Sub-compact HS407K-X2 Red Dot Sights will fit a Sig P365X.

by Hunter, Gear Expert, September 2, 2022
Customer Reviews
Helpful Positive Review
This sight is build like a tank and was a perfect fit on my Ruger Max-9. Ruger uses permanent red thread lock on the slide plate which can only be removed if heated. You don't want to put heat directly on the slide, so I took the Ruger supplied hex...
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35/36 found this helpful
Helpful Positive Review
Can't go wrong with Holosun. by muku82, Verified Owner, August 2, 2025
I've used holosun optics for years and have tried multiple brands but always come back to them. I have never had any issues with any of the pistol optics I've tried. My eyes and astigmatism are worsening with age and my red dots are starting to loo...
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2/2 found this helpful
Helpful Positive Review
Great RMR for CCW by AndyL, Verified Owner, January 4, 2026
Just under an inch wide is a great fit for smaller framed pistols. Construction is very rugged and has plenty of features. My other RMR's have 2 or 3 MOA dots and I was concerned that the 6 MOA dot would be too large. But no worries, for the target ...
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1/1 found this helpful
Helpful Positive Review
I did a lot of research before I picked an RMSc optic. This is the only one that will not need to be removed from the firearm to load a new battery... This model is far superior to the 507k. The 65 moa reticle is distracting. Go with this 6MOA dot fo...
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16/17 found this helpful
Helpful Positive Review
Holosun 407K by Charlie, December 6, 2023
Intended for use on a Shield Plus, the sight fits as intended. I did need to make an exchange for the initial sight sent due to a manufacturing issue, but OP made good on a replacement with ease and the unit works as intended. The 6MOA red dot is exc...
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4/4 found this helpful
Helpful Positive Review
100% awesome by Doc, December 8, 2023
Bought for an M&P Shield Plus… Love it. Everything it states in the description. Easy install if Ya know what you’re doing. If Ya don’t, watch a video. If you have any doubts, seek out a professional.
2/2 found this helpful
Read All 194 Reviews
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Product Info for Holosun Sub-compact HS407K-X2 1x 6 MOA Dot Red Dot Sights

The Holosun HS407K X2 is an open reflex red dot designed for concealed carry pistols. Featuring Shake Awake motion technology, these Red Dot Sights can provide up to 50,000 hours of battery life to ensure you always have a reliable aiming point by your side. The HS407K red dot provides 12 brightness settings for a customized view, including two night vision settings for tactical operations. With parallax-free views and unlimited eye relief, this pistol red dot delivers a comfortable and intuitive shooting experience. Buy a Holosun HS407K X2 6 MOA Red Dot Sight to boost your target acquisition speed while carrying a concealed handgun.image

Specifications for Holosun Sub-compact HS407K-X2 1x 6 MOA Dot Red Dot Sights:

Manufacturer: Holosun
Color: Black
Finish: Anodized
Fabric/Material: 7075-T6 Aluminum
Magnification: 1 x
Objective Lens Diameter: 0.58 - 0.77 in
Reticle: 6 MOA Dot
Illumination Type: LED
Eye Relief: Unlimited
Adjustment Type: MOA
Adjustment Click Value: 1 MOA
Emitter Type: Open
Battery Quantity: 1
Operating Temperature: -30 - 60 Celsius
Water Resistance Level: IP67
Weight: 1 oz
Condition: New
Magnification Type: Fixed
Quantity: 1
Red Dot Sights-Footprint: RMS
Housing/Frame Material: 7075 Aluminum

Features of Holosun Sub-compact HS407K-X2 Red Dot Sights

  • Shake Awake Technology
  • Memory
  • Brightness Setting 10 DLt & 2NV Compatible
  • Submersion - IP67
  • Vibration - 5000G
  • Dimension(in) - 1.6×0.98×0.95

Package Contents:

  • Holosun Sub-compact HS407K-X2 Red Dot Sight
  • Multi Tool
  • Lens Cloth
  • User Manual

Holosun Sub-compact HS407K-X2 1x 6 MOA Dot Red Dot Sights Orderable Models

List of Orderable Models

  • Holosun Sub-compact HS407K-X2 Dot Red Dot Sight, 1x, 6 MOA, Black, HS407K-X2 , MPN: HS407K X2 , UPC: 810047071204 , Code: 28Y-RD-HOL201-HS407K-X2
  • Holosun HE407K-GR X2 Red Dot Reflex Sight 1x, Green 6 MOA Dot Reticle, Anodized, Black, HE407K-GR X2 , MPN: HE407K-GR X2 , UPC: 810047071372 , Code: 28Y-RD-HOL201-HE407K-GR-X2

Holosun Sub-compact HS407K-X2 1x 6 MOA Dot Red Dot Sights Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Holosun Sub-compact HS407K-X2 Dot Red Dot Sight, 1x, 6 MOA, Black, HS407K-X2 , MPN: HS407K-X2-DEMO , Code: 28Y-RD-HOL201-HS407K-X2-DEMO
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