American Defense Mfg. AD-509T Low‑Height Optic Mount – Anodized Black, Quick‑Release for Holosun 509T Footprint
Upgrade your tactical platform with the American Defense AD-509T optic mount, a precision‑engineered low‑height solution designed specifically for the Holosun 509T footprint. This mount delivers rock‑solid stability, rapid on‑the‑fly adjustments, and a sleek anodized black finish that resists wear, corrosion, and the harsh demands of field use.
Key Features & Benefits
- Low‑Height Design: Keeps the optic close to the barrel for a lower sight line, improved accuracy, and reduced windage impact.
- Quick‑Release System: Patented lever mechanism allows you to detach and reattach the optic in seconds without losing zero.
- Precision Machined Aluminum: CNC‑machined 7075‑T6 aluminum provides exceptional strength while maintaining a lightweight profile.
- Durable Anodized Finish: Black hard‑coat anodizing protects against scratches, UV exposure, and extreme weather conditions.
- Full Compatibility: Engineered to the exact
Holosun 509T footprint (AD‑509T‑L‑STD), ensuring a perfect fit on rifles, carbines, and pistols that support the standard mounting pattern. - Zero Retention: Integrated tension springs maintain consistent pressure, guaranteeing that your zero stays locked even after repeated removals.
- Versatile Mounting Options: Compatible with Picatinny, Mil‑Std‑1913, and M‑LOK rail systems for maximum platform flexibility.
Technical Specifications
| Model | AD‑509T‑L‑STD |
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| Manufacturer | American Defense Manufacturing |
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| UPC | 810008517789 |
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| Material | 7075‑T6 Aluminum (CNC Machined) |
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| Finish | Black Hard‑Coat Anodized |
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| Height | Low‑Height (approx. 1.30" from rail to optic base) |
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| Weight | ≈ 0.45 lb (0.20 kg) |
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| Mounting Pattern | Holosun 509T (AD‑509T footprint) |
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| Release Type | Quick‑Release Lever |
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| Rail Compatibility | Picatinny, Mil‑Std‑1913, M‑LOK |
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Why Choose the AD‑509T Optic Mount?
The AD‑509T is not just another optic mount—it’s a tactical advantage. Its low‑height profile reduces the overall height of your sighting system, allowing for better cheek weld and a more natural shooting stance. The quick‑release lever eliminates the hassle of tools, so you can swap optics or perform maintenance in the field without compromising zero.
Installation Made Simple
- Align the mounting holes with your rail’s slots.
- Secure the mount using the supplied set screws (torque to 20 in‑lb recommended).
- Slide the Holosun 509T optic into the mount’s base.
- Engage the quick‑release lever until you hear a click—your optic is now locked and zero‑ready.
For optimal performance, follow the manufacturer’s torque specifications and verify the mount’s alignment before shooting.
Ideal Applications
Designed for hunters, competitive shooters, law‑enforcement, and military operators, the AD‑509T excels in:
- Long‑range precision rifles
- Tactical carbines and AR‑15 platforms
- Personal defense pistols with rail systems
- Rapid‑deployment scenarios where quick optic changes are critical
SEO Keywords & Phrases
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Customer Assurance
All American Defense products are backed by a lifetime limited warranty against manufacturing defects. Our dedicated support team is ready to answer any installation or performance questions you may have.
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