Unity FAST Holosun Magnifier HM3X & HM3XT FST-HFB
The FAST™ FTC Holosun™ is a purpose-built mount designed to bring the unique footprint of Holosun™ magnifiers into the FAST™ ecosystem. Specifically engineered for the HM3X and HM3XT magnifiers, it provides optimal alignment for a cleaner sight picture when paired with a red dot also mounted at 2.26″.
While the FAST™ FTC OMNI is compatible with Holosun™ magnifiers, the FAST™ FTC Holosun™ provides a custom solution that expands the range of compatible red dots for Holosun
™ magnifiers by optimizing alignment for a cleaner sight picture. When pairing these magnifiers with red dots on a FAST™ Micro—such as the Holosun™ 403 or 503 series—using the OMNI mount results in a partially obstructed sight picture. The FAST™ FTC Holosun™ is specifically engineered to ensure a true, unobstructed sight picture across these configurations.
FAST™ FTC Holosun™ mount utilizes a force-to-overcome mechanism to stow the magnifier below the sight plane and within the footprint of the weapon’s receiver. UNITY’s FTC (flip-to-center) technology replaces legacy flip-to-side designs, removing snag hazards. It includes a low-profile integrated FAST™ QD Lever.
| Specification | Details |
|---|---|
| Height | 2.26″ to optical centerline |
| Compatibility | Holosun™ HM3X, HM3XT |
| Rail Mount | Integrated FAST™ QD Lever |
| Mechanism | Force-to-Overcome |
| Material | 7075-T6 Aluminum |
| Coating | Type III Hardcoat Anodized |
| Weight | < 4.5 oz / < 127.6 g |
| Dimensions (W × L × H) (in) | < 2.4 (Raised) or 2.8 (Stowed) × 1.5 (Rail Coverage) or 1.7 (Overall) × 3.5 (Raised) or 2.2 (Stowed) |
| Dimensions (W × L × H) (cm) | < 6.1 (Raised) or 7.1 (Stowed) × 3.8 (Rail Coverage) or 4.3 (Overall) × 9.0 (Raised) or 5.9 (Stowed) |
The Unity FAST Holosun Magnifier HM3X & HM3XT FST-HFB mount is a premium magnifier mounting solution designed for shooters who demand faster target acquisition, improved ergonomics, and rock-solid durability. Built to pair specifically with the Holosun HM3X and HM3XT magnifiers, this mount delivers Unity Tactical’s trusted FAST™ performance in a streamlined and battle-ready package.
One of the key advantages of the Unity FAST Holosun Magnifier Mount FST-HFB is its 2.26-inch optical centerline height, which positions the magnifier at an ideal level for modern rifle setups. This elevated height promotes a more natural, heads-up shooting posture, reducing neck strain and improving situational awareness. It is especially beneficial for shooters running plate carriers, helmets, or night vision equipment where traditional lower mounts can feel restrictive.
The integrated FAST™ QD lever system allows quick attachment and removal from any standard Picatinny rail, providing a secure lockup while maintaining repeatable performance. The mount uses a Force-to-Overcome flip mechanism, enabling the magnifier to be rapidly stowed to the side when not needed and instantly deployed when magnification is required. This makes it ideal for transitioning between close-range speed and mid-range precision without slowing down.
Constructed from rugged 7075-T6 aluminum and finished with Type III hardcoat anodizing, the Unity FAST mount is engineered to withstand recoil, hard use, and harsh field conditions. Lightweight yet extremely durable, it is designed for professional applications, competition shooting, and serious defensive rifle builds.
Whether you’re building a tactical AR-15 setup or upgrading your magnifier system, the Unity FAST Holosun Magnifier HM3X & HM3XT FST-HFB mount delivers improved comfort, rapid transitions, and dependable mounting performance trusted by serious shooters.
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