MOS to 507K Conversion

In stock

This service will convert your MOS slide from plate mounted compatability to Holosun K Series direct mount by removing the rear recoil bosses.  It is recommended that you select a coating to prevent corrosion.  Bare metal will be visible if a coating is not selected.


  • Once you've added your order to the cart, please see our Shipping Information page.  This will detail how to get your parts to us (when applicable) and how they will be returned to you.


Lead Times:

Slide Machining - 2-3 Weeks

Black Nitride - add 4-6 weeks

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