Athena Precision
Glock MOS to Primary Arms HE509 ACSS Steel Red Dot Plate
Glock MOS to Primary Arms HE509 ACSS Steel Red Dot Plate
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Glock MOS to Primary Arms HE509 ACSS Steel Red Dot Plate
Steel Adapter Plate for Glock MOS & Primary Arms HE509 ACSS
PRODUCT OVERVIEW
This steel adapter plate enables the seamless mounting of a Primary Arms HE509 ACSS red dot sight or any optic with the same footprint to your Glock MOS 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 |
Glock MOS Full Size Models 17, 19, 20, 21, 22, 23, 34, 33, 40, 41, 45, 47. |
|
Optic Footprint |
Primary Arms HE509 ACSS |
|
Material |
Hardened Heat Treated 4140 Alloy Steel |
|
Finish |
Black Copper Phosphate Coating |
|
Hardware Included |
M3 x 0.5 x 6mm (All mounting hardware needed comes with the order.) |
|
Thickness |
0.100” (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.
FREQUENTLY ASKED QUESTIONS
Q: Will this fit all Glock MOS slides?
A: Yes. It is fully compatible with the full size MOS 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 - tested with thousands of rounds with no shift or loosening.
Q: Is this plate compatible with Holosun 407K/507K?
A: This version is for the Primary Arms HE509 ACSS. Please refer to our 407K/507K-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
"Awesome flush fit for 509T ACSS Pretty much a flush fit plate for the 509T ACSS. Excellent quality, great price and fast shipping. Great company who supports LEOs. I will buy again." -J.C.
"Fit great and works great." -J.W.
"Perfect plate Sits the optic as low as possible to the slide. His 509t iron sights give you a perfect lower 1/3 co witness. Fit and finish are perfect and cosmetically it looks great, couldn't be happier." -T.S.
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
SKU:GLK-ACS
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Pretty much a flush fit plate for the 509T ACSS. Excellent quality, great price and fast shipping. Great company who supports LEOs. I will buy again.
Fut great and works great.
Sits the optic as low as possible to the slide. His 509t iron sights give you a perfect lower 1/3 co witness. Fit and finish are perfect and cosmetically it looks great, couldn't be happier