The Holosun K MOS adapter plate is a precision-machined mounting solution designed to fit Holosun 407K and 507K series reflex sights to MOS (Modular Optic System) equipped pistols. This adapter plate provides a secure, reliable mounting platform for your compact optic.

Precision Fit

Engineered specifically for compatibility between Holosun K-series compact reflex sights (407K and 507K models) and MOS-equipped pistols, this adapter ensures proper alignment and a rock-solid mount for your optic. The MOS system is found on many popular pistol models, making this adapter a versatile mounting solution.

Quality Construction

Manufactured from durable materials to withstand the rigors of field use, this adapter plate maintains zero and provides a stable platform for your reflex sight. The precision machining ensures a perfect fit between your sight and firearm.

Easy Installation

Designed for straightforward installation, this adapter plate allows you to mount your Holosun K-series sight to your MOS-equipped pistol with confidence. All necessary mounting points are precisely positioned for optimal sight placement.

Compatible Sights

This adapter works with the following Holosun K-series reflex sights:

• Holosun HE507K-GR X2 - Green Multi-Reticle System
• Holosun HS507K X2 - Red Multi-Reticle System
• Holosun HE407K-GR X2 - Green 6 MOA Dot
• Other Holosun 407K and 507K series models