C&H Precision SIG P320 X-Series Adapter Plate — RMR/SRO

Description

This C&H Precision adapter plate provides a precision-machined interface to mount micro red dot optics to SIG P320 X-Series pistols, including P320 Legion variants (X-FIVE, M17, M18). The plate is produced on HAAS CNC equipment and is finished in black anodize. Mounting screws are included and the hardware is designed to be replaceable without replacing the entire plate.

Key Specifications

• Designed for SIG P320 X Series (including P320 Legion / X-FIVE / M17 / M18).
• Cut to accept RMR, SRO, and Holosun 407C / 507C / 508T footprint patterns as stated by the manufacturer.
• Manufactured on HAAS CNC machines with multiple quality checks.
• Finish is anodized for corrosion resistance and low reflectivity.
• Color is black per the provided attributes.
• Includes mounting screws for installation.
• Mounting hardware is replaceable so damaged fasteners can be swapped without replacing the plate.
• Compatibility listing references R1P / DPP cut to RMR / SRO / Holosun 407C 507C 508T and mentions fit with a 10-8 rear sight arrangement as provided.
• Product type listed as mount / optic-specific adapter.
• Designed and shipped from Coastal Georgia (small family business) per the manufacturer description.

This adapter plate delivers a precise, serviceable mounting solution for adding a micro red dot to compatible SIG P320 X-Series frames. With CNC machining, an anodized finish, and replaceable hardware, the plate is built to integrate cleanly with pistol slide geometry and common micro-dot footprints. It’s a practical choice for pistol owners who need a factory-aligned mounting option that accommodates a range of popular micro red dot optics.