


SP-509-RMR
Holosun 509 Adapter for RMR (2026)
Pairs well with
Overview
Mount your Holosun 509 series optics directly onto any firearm equipped with an RMR footprint using the Holosun 509 Adapter for RMR (2026). This precision-engineered adapter allows for seamless integration of popular red dot sights, providing a secure and stable mounting solution for enhanced aiming performance.
Key Features
- RMR Footprint Compatibility: Designed specifically to adapt Holosun 509-series optics (such as the 507C, 508T, etc.) to firearms featuring the Romeo Micro Red Dot (RMR) mounting pattern.
- Precision Fit: Manufactured to tight tolerances to ensure zero shift and consistent point-of-aim, critical for accuracy.
- Durable Construction: Built to withstand recoil and harsh environmental conditions, ensuring long-lasting reliability.
- Easy Installation: Simple swap-on design that integrates quickly into your existing optic setup.
Specifications
- Brand: Holosun
- Model: 509 Adapter for RMR
- Year: 2026 Edition
- Sku: 509-RMR
Compatibility Note
Please verify that your firearm's optic cut matches the RMR footprint before purchasing. This adapter is intended for use with Holosun 509-series optics only.
Complimentary shipping & returns

Holosun 509 Adapter for RMR (2026)
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
Please read our FAQs page to find out more.
Do I need an account to order?
No, but an account lets you save addresses, review orders, download invoices and manage wish‑lists.
When will my order ship?
Orders placed before 15:00 CET on business days ship the same day if the
items are in stock. A tracking e-mail follows automatically.
Can I change or cancel my order?
Yes, e-mail orders@skirmshop.nl or use the contact form before 15:00 CET on the shipping day
with your order number. After dispatch, changes aren’t possible.
Do you ship outside the EU?
Yes, the shipping rates and import taxes will be calculated at checkout.
What is the minimum age to buy an airsoft replica?
Please check your own governments regulations for the minimum required age.
Don't forget to send your ID.
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