Athena Precision

Sig Sauer P320 to Holosun 509T Steel Red Dot Mounting Plate

$65.00 USD

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Sig Sauer P320 to Holosun 509T Steel Red Dot Plate

Steel Adapter Plate for Sig Sauer P320 & Holosun 509T

PRODUCT OVERVIEW

This steel adapter plate enables the seamless mounting of a Holosun 509T red dot sight or any optic with the same footprint to your Sig Sauer P320 slide. Athena Precision offers unmatched rigidity and precision under recoil and heavy real world use. Finished with a corrosion-resistant copper phosphate coating and shipped with all necessary screws and hardware, this drop-in solution requires no milling or modifications. We take immense pride in the aesthetics and quality of the parts we produce. Every product is engineered, manufactured, finished, and shipped from our shop in Salt Lake City, Utah.

Ideal for duty, competitive shooting, and concealed carry applications.

QUICK SPECS

Feature	Specification
Compatibility	Sig Sauer P320
Optic Footprint	Holosun 509T
Material	Hardened Heat Treated 4140 Alloy Steel
Finish	Black Copper Phosphate Coating
Hardware Included	Custom M4 x 0.7 x 6mm (All mounting hardware needed comes with the order.)
Thickness	--- (Measurement from the bottom of the plate to the mounting face of the optic *not* the overall thickness.)
Made In	Salt Lake City, UT, USA

**May fit other models, listed is what we've tested.**

KEY FEATURES

Premium Steel Construction - Delivers superior strength over aluminum, resisting any movement, flex and fatigue under high recoil.
Perfect Fitment - Reverse-engineered for exact match with OEM factory slides. No wobble, no play.
True Drop-In - No gunsmithing or milling required. Designed for hassle-free installs.
Surface Protection - Durable phosphate coating guards against corrosion, moisture, and wear.
Duty-Proven Performance - Trusted by law enforcement, competitors, and serious gun owners.

INSTALLATION GUIDE

FREQUENTLY ASKED QUESTIONS

Q: Will this fit on Sig Sauer P320 slides?
A: Yes. It is fully compatible with the P320 slides.

Q: Will this work with suppressor-height sights?
A: Yes. Most standard co-witness iron sights are supported.

Q: Will it hold zero through thousands of rounds?
A: Yes – after thousands of rounds this plate will hold zero.

Q: Is this plate compatible with the RMR footprint?
A: This version is for the Holosun 509T. Please refer to our RMR compatible red dot plate.

Q: Is milling or custom fitting required?
A: Not at all. This is a plug-and-play solution designed for DIY installation.

CUSTOMER REVIEWS

"Solid & Fits Perfectly. Works well & very satisfied with the quick shipping & quality of the plate" -J.B.

"Perfect fit for my Sig P320 Spectre Comp” -S.A.

PERFORMANCE APPLICATIONS

Everyday Carry (EDC) - Slim profile with strong retention.
Duty & Tactical - Reinforced performance under high-stress use.
Competition - Maintains zero during dynamic courses.

RESOURCES

ORDER DETAILS

Price: $65.00
Availability: In Stock - Ships in 1-3 Business Days
Warranty: Lifetime Replacement Guarantee. We will happily return/replace any defective parts if you ever have any issues!
Support: Contact | athenaprecisioncnc@gmail.com | (801) 973-0800