How to Install Holosun 407K/507K on CZ-P10
By Precision Optique | Published: 2026-10-30
Category: How-to Guides
Learn how to mount a Holosun 407K or 507K red dot on your CZ-P10 using a dedicated adapter plate. Step-by-step instructions with common mistakes to avoid.
Quick answer
Mounting a Holosun 407K or 507K on your CZ-P10 requires a dedicated adapter plate—the Montage Holosun 407K/507K - CZ-P10—which bridges the slide's cut to the sight's footprint. Follow these steps to install it securely and avoid common pitfalls.
Why you need a specific adapter plate
The CZ-P10 slide is cut for a specific mounting pattern, while the Holosun 407K and 507K use a different footprint. A generic plate won't align the screw holes or provide the correct height for co-witnessing with iron sights. The Montage Holosun 407K/507K - CZ-P10 is precision-machined to match both the slide and the sight, ensuring a secure fit without shims or modifications.
Tools and preparation
Before starting, gather a torque driver (inch-pounds), a small hex key set (usually T8 or T10 for Holosun screws), and a non-permanent thread locker like blue Loctite 242. Ensure the pistol is unloaded and the slide is removed from the frame. Clean the slide's mounting surface and the plate with isopropyl alcohol to remove any oil or debris.
Installation steps
- 1. Attach the adapter plate to the slide: Place the Montage Holosun 407K/507K - CZ-P10 plate onto the CZ-P10 slide, aligning the screw holes. Apply a small drop of blue Loctite to each screw, then hand-tighten them. Use a torque driver to tighten to 15 in-lbs (1.7 Nm) in a crisscross pattern. Common mistake: over-tightening can strip the slide threads or warp the plate; always use a torque driver.
- 2. Mount the Holosun sight to the plate: Place the Holosun 407K or 507K onto the plate so the screw holes align. The sight should sit flush without rocking. Apply blue Loctite to the included mounting screws and thread them in by hand. Torque to 12 in-lbs (1.35 Nm) using the correct hex key. Common mistake: using the wrong screw length—if the screw bottoms out before tightening, it may be too long and can damage the sight's internal electronics. Check that the screws are the correct length for your plate; the Montage plate is designed for standard Holosun screws.
- 3. Verify alignment and function: Reinstall the slide onto the frame and function-check the pistol by cycling the action manually. Confirm the red dot turns on and the brightness adjustments work. Perform a bore-sight or live-fire zero at your preferred distance. Common mistake: skipping the function check—a misaligned plate can cause the sight to shift under recoil or the slide to bind. After 50-100 rounds, re-check screw torque as the Loctite cures and the components settle.
Product facts
- Montage Holosun 407K/507K - CZ-P10: The Montage Holosun 407K/507K - CZ-P10 is designed exclusively for Holosun 407K/507K sights and CZ-P10 pistols, with dimensions of 52.08 mm length and 25.96 mm width. This ensures a precise fit without gaps or misalignment, which is critical for consistent zero retention and co-witness with factory iron sights.
Montage Holosun 407K/507K - CZ-P10
