Holosun 507C to 407K/507K Optic Plate Adapter

SKU: HSKPLT-507C

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Sometimes Smaller is Better

This adapter plate allows you to mount the compact Holosun 407K/507K red dot sights onto firearm slides originally milled for the larger Holosun 507C and Trijicon RMR footprint. The Holosun 507C to 407K/507K Optic Plate Adapter allows you to customize your firearm with a more compact optic while maintaining secure and reliable mounting.

Seamless Compatibility

Converts the Holosun 507C and Trijicon RMR footprint to fit the compact 407K/507K series optics and other optics using that footprint like the AT3 ARO Mini. This enables users to mount their preferred micro red dot to their firearm.

Strong and Secure Adapter

The plate and screws are made from high-strength steel to avoid issues such as bending, warping, or breaking that other adapter plates that use weaker metal can have. Additionally, this adapter plate has been tested to withstand rigorous use and heavy recoil, ensuring your optic stays secure and zeroed.

Low-Profile Design

Maintains a thin profile, minimizing added bulk and providing a good fit with your optic without raising your optic to skyscraper height.

Easy Installation

Includes all necessary hardware and torx allen key for quick and straightforward installation, making it easy to confidently and quickly upgrade your setup. We would still recommend using a torque wrench to get exact poundage but tightening it until it’s tight will do also.

Precision Fit

Engineered to exact specifications, the adapter plate ensures a tight and stable connection between your optic and slide, preserving zero and delivering consistent performance.

Compatibility

  • Firearms and mounts with the Trijicon RMR footprint
  • Optics with the Shield RMSc footprint
    • Holosun 407C/507C
    • Holosun 407/407 Comp
    • AT3 Tactical ARO Mini
    • Viridian RFX Series
    • Sig ROMEO-X and Romeo Zero
    • Shield RMSc
    • Riton 3 TACTIX
    • Burris FastFire C
    • CTC Rad Micro Red Dot Series

Specifications

  • Brand: Holosun
  • Model: Holosun 507C to 407K/507K Optic Plate Adapter
  • MPN: HSKPLT-507C
  • Fit: Trijicon RMR / Holosun 407C and 507C Footprint Firearms and Optic Mounts AND Shield RMSc / Holosun 407K and 507K Footprint Optics
  • Material: Steel
  • Finish: Anodized
  • Color: Black

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Your Holosun product is warranted to be free of defects in materials and workmanship to the first owner upon registration of the product. This warranty specifically applies to the metal structure, optical and illumination systems. The metal structure/housing and optical system (glass) of your Holosun product is warrantied for the life of the product under normal, personal use. Under the Holosun Warranty, the illumination system (LED), is warrantied for 10 years from the manufacture date under normal, personal use. In the event of a confirmed defect under this warranty, we will, at our option, repair or replace the product with a Holosun product of similar type/function, and of equal or greater value. Holosun reserves the right to make substitutions for similar product/s if the warrantied model in question is no longer in production. This Holosun Warranty does not apply to: (a) asserted defects caused by normal wear and tear of any part including knobs, finish, etc.; (b) asserted defects caused by modification including; aftermarket finishes, unauthorized service, improper maintenance, acts of Nature; and (c) asserted defects involving subjective personal likes or judgments. Also, this warranty is null and void if modification or maintenance is provided by someone other than Holosun. Holosun may restrict warranty service for our products to the country from which Holosun or its authorized dealers originally sold the Holosun product. For warranty claims outside the United States, the costs of shipping or transporting the product (including to and from Holosun or our dealer), any insurance or any fees, duties and taxes are the sole responsibility of the purchaser and will not be covered by this warranty.

Registration is required to validate this warranty. For product registration click here. For a warranty claim, click here.

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