Holosun HM3X 3x Magnifier for Carbine/Rifle - Black Anodized

The Holosun HM3X 3x magnifier is a compact, lightweight magnification solution designed to pair with your red dot sight for extended-range carbine and rifle work. Whether you're setting up a modern sporting rifle, patrol carbine, or precision-focused AR build, this aluminum-bodied magnifier gives you the flexibility to dial in magnification when you need it—and flip it out of the way just as fast. The quick-detach mount lets you swap optic configurations without tools, and the ambidextrous design works equally well for left- or right-handed shooters.

Built for real-world shooting conditions, the HM3X delivers IP67 water resistance, so rain, dust, and splash won't compromise your setup. With 2.75 inches of eye relief, you've got comfortable head positioning even when wearing protective gear or shooting from unconventional positions. The independent windage and elevation adjustment turrets let you dial your zero precisely, ensuring your magnified view stays true to where your primary optic is pointing.

The flip-to-side quick-release mount comes configured for both absolute and lower-1/3 co-witness heights, giving you the mounting flexibility to integrate the magnifier into your existing rail setup without guesswork. Black anodizing keeps the profile low-profile and non-reflective. For shooters who want magnification on demand without the weight and bulk of a fixed scope, the HM3X is a proven addition to any red dot carbine platform.

Key Features

• 3x magnification paired to your red dot for extended-range target work
• Quick-detach, ambidextrous flip-to-side mount—easy removal for unmagnified shooting
• Absolute and lower-1/3 co-witness mounting solutions included
• Aluminum construction for lightweight, durable performance
• 2.75" eye relief for comfortable cheek weld and head position
• Independent windage and elevation adjustments for precise zero
• IP67 water resistance rated for weather and field use
• Black anodized finish minimizes glint and reflections

Specifications

Frequently Asked Questions

Will the HM3X work with my red dot sight?

The HM3X is designed as a magnifier to pair behind red dot sights. It uses a quick-detach mount that positions it in line with your optic, allowing the magnification to enhance your red dot's performance at distance. Verify that your mounting system and sight footprint are compatible with standard Picatinny rail mounting.

What co-witness height should I choose?

The magnifier comes configured for both absolute and lower-1/3 co-witness. Absolute co-witness aligns the magnifier's optical axis directly with your sight picture at all zoom levels; lower-1/3 co-witness positions it slightly below center. Your choice depends on your red dot height and how you want your sight picture to frame. Consult your red dot and rail setup to determine which height works for your build.

Can I quickly remove the magnifier during a match or in the field?

Yes. The quick-detach mount allows you to flip or remove the magnifier without tools, so you can go from magnified to unmagnified in seconds. This flexibility is ideal for courses of fire that mix close-range and distance targets.

How does the HM3X handle wet conditions?

The HM3X is rated IP67 water-resistant, meaning it's sealed against dust and protected in temporary immersion conditions. This rating supports use in rain, splashes, and field environments without loss of function.