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C&H Precision Sig P320 X-5 and M17/18 Optic Adapter Plate with Rear Sight – Holosun 509T

SKU: CPSGX-509T

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Adapt Your Sig P320 to The Durable 509T

The C&H Precision Optic Adapter Plate is a premium mounting solution designed to integrate the robust Holosun 509T enclosed red dot sight with the Sig P320 X5 and M17/18 platforms. Engineered for durability and precision, this adapter plate ensures a rock-solid fit, enabling you to enhance your firearm’s accuracy and speed in any shooting scenario.

DesigHolosun 509T Compatibility

This adapter plate converts the Sig Romeo 1 Pro footprint on your slide to securely mount the Holosun 509T red dot. Please check if your P320 has the Romeo 1 PRO footprint as opposed to the older Romeo 1 footprint. Additionally, make sure your P320 has a Plate Intergrated Rear Sight. This plate comes with an integrated rear sight since users with these pistols would normally lose their rear sight when installing an optic.

 

Sig Sauer P320 Rear Sight Guide

Precision Machined

Machined from steel for long-lasting durability, ensuring a solid and stable fit for your optic under heavy recoil and rigorous use. Every C&H Optic Plate is designed, manufactured, and machined in the United States at a small family owned business. Each plate is precision machined to the tightest tolerances on HAAS CNC machines and each plate goes through multiple quality checks before shipping to customers.

Low-Profile Design

Maintaining a thin and unobtrusive profile keeps your firearm looking good and doesn’t raise your optic absurdly high.

Easy Installation

Includes all necessary hardware for a quick, hassle-free setup, allowing you to install the adapter and confidently mount your optic.

Benefits of Switching to the Holosun 509T

  • Enclosed emitter design to keep out dirt, snow, and other debris
  • All models of the 509T also have a solar-powered failsafe to ensure you can always use it, even if the battery is dead.
  • The ability to change batteries without removing the optic means you don’t have to re-zero every time the battery is changed, unlike the Trijicon RMR

Specifications

  • Brand: C&H Precision
  • Model: Sig P320 X-5 and M17/18 Optic Adapter Plate – Holosun 509T
  • MPN: CPSGX-509T
  • Fit:
    • Firearm Slide and Optic Mount – Sig P320 X5, M17, M18, and other Plate Integrated Rear Sight Sig P320s
    • Optic – Holosun 509T
  • Material: Steel and 416 Stainless Steel Screw T-Posts
  • Finish: MIL-SPEC Type III Hard Anodized

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.

C&H Precision takes pride in its products and strives to produce quality items. They stand behind their work 100%, however, they are human and mistakes sometimes happen… in this case, they will fix their mistakes to your satisfaction.

If you believe your product is defective, damaged or missing parts, contact C+H Precision using their website.

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