Steel Adapter Plate for Sig Sauer P320/Legion X5 & Trijicon RMR/SRO/Holosun 407C/507C/508T/507Comp
PRODUCT OVERVIEW
This steel adapter plate enables the seamless mounting of a Trijicon RMR/SRO/Holosun 407C/507C/508T/507Comp red dot sight or any optic with the RMR 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
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Feature
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Specification
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Compatibility
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Sig Sauer P320 – Legion X5, M17, M18
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Optic Footprint
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Trijicon RMR/SRO/Holosun 407C/507C/508T/507Comp
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Material
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Hardened Heat Treated Steel
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Finish
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Black Copper Phosphate Coating
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Hardware Included
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4-40 x 5/16 & 4-48 x 1/8 (All mounting hardware needed comes with the order.)
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Thickness
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--- (Measurement from the bottom of the plate to the mounting face of the optic not the overall thickness.)
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Made In
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Salt Lake City, UT, USA
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**Does not fit RCR.**
**May fit other models, listed is what we've tested.**
KEY FEATURES
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Premium Steel Construction - Delivers superior strength over aluminum, resisting any movement, flex and fatigue under high recoil.
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Perfect Fitment - Reverse-engineered for exact match with OEM factory slides. No wobble, no play.
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True Drop-In - No gunsmithing or milling required. Designed for hassle-free installs.
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Surface Protection - Durable phosphate coating guards against corrosion, moisture, and wear.
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Duty-Proven Performance - Trusted by law enforcement, competitors, and serious gun owners.
INSTALLATION GUIDE
FREQUENTLY ASKED QUESTIONS
Q: Will this fit the Trijicon RCR?
A: No. This red dot adapter plate is made for the RMR footprint.
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 – the steel material and precise machining ensure a solid mount that holds zero.
Q: Is this plate compatible with Sig Sauer P365?
A: This version is for the P320. Please refer to our P365 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.
PERFORMANCE APPLICATIONS
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Everyday Carry (EDC) - Slim profile with strong retention.
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Duty & Tactical - Reinforced performance under high-stress use.
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Competition - Maintains zero during dynamic courses.
RESOURCES
ORDER DETAILS
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Price: $65.00
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Availability: In Stock - Ships in 1-3 Business Days
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Warranty: Lifetime Replacement Guarantee. We will happily return/replace any defective parts if you ever have any issues!
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Support: Contact | athenaprecisioncnc@gmail.com | (801) 973-0800
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