

SP-K-RMR
Holosun 407/507K Adapter for RMR (2026)
Pairs well with
Overview
Unlock the versatility of your Holosun 407K or 507K red dot sights with the Holosun 407/507K Adapter for RMR (2026). This precision-engineered mounting solution allows you to seamlessly integrate your Holosun optic onto any firearm or airsoft platform equipped with an RMR footprint (such as the Shield RMSc, TriPoint, or similar RMR-compatible bases).
Ideal for competitive shooters, tactical enthusiasts, and airsoft players looking to customize their setup, this adapter ensures a secure, low-profile fit while maintaining the rapid target acquisition capabilities of your Holosun sight.
Key Features
- Versatile Compatibility: Adapts Holosun 407K/507K footprints to RMR/RMSc mounting patterns.
- Precision Fit: CNC-machined for accurate alignment and stability, reducing zero-shift during recoil.
- Low Profile Design: Maintains a compact silhouette, perfect for co-witnessing with iron sights or backup optics.
- Durable Construction: Built to withstand rigorous use in both recreational and competitive environments.
Technical Details
- Brand: Holosun Compatible
- Model Year: 2026 Specification
- Footprint: RMR / RMSc
- Compatible Optics: Holosun 407K, 507K Series
Note: Ensure your host platform supports the RMR footprint before purchasing. This adapter does not include screws; please verify compatibility with your existing hardware or consult the manufacturer's specifications.
Complimentary shipping & returns

Holosun 407/507K 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.
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