Holosun
Holosun 509 Mounting Plate for 507C/RMR Cut Slides – 509PLT-507C
£44.99
Tax included. Shipping calculated at checkout.
Currently unavailableSKU: 509PLT-507C
- Estimated delivery within 7–10 business days
- Secure checkout
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UK DispatchShipped from the UK
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Genuine ProductsAuthorised UK retailer
Free UK shipping on all orders. Estimated delivery within 7–10 business days. 30-day returns on unused items in their original packaging.
Covered by the manufacturer's warranty. Contact our UK support team for any warranty assistance.
A UK-based specialist retailer of premium optics and tactical gear from trusted global brands — with no import fees and secure checkout.
Description
The Holosun 509PLT-507C is the genuine adapter plate that mounts a 509T-footprint enclosed red dot (HS509T, HE509T-RD/GR) onto pistol slides cut for the 507C/RMR footprint.
Fitment
Check your slide cut with our footprint compatibility chart. Browse enclosed red dots and all mounts & plates.
Key Features
- Genuine Holosun 509T adapter plate
- Fits RMR/507C-cut optics-ready slides
- Correct screws included
Technical Specifications
| Optic | Holosun 509T footprint (HS509T / HE509T) |
| Slide Cut | 507C / RMR footprint |
| MPN / UPC | 509PLT-507C / 810047071051 |
What's Included
- Holosun 509PLT-507C plate with mounting screws
UK Delivery & Support
UK-stocked and dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based support.
Frequently Asked Questions
Do I need this plate?
Yes if your slide is RMR/507C-cut — the 509T's rear-lug footprint won't bolt to an RMR cut directly.
Which screws do I use?
The plate ships with the correct screws for plate-to-slide and optic-to-plate.
Why buy from Xtreme Tactical
UK-Based Retailer
Dispatched from the UK.
No Import Fees
Order without overseas customs or surprises.
Secure Checkout
Protected payment options on every order.
Specialist Support
Expert product knowledge when you need it.
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