CMMG PS90 Thread Adapter 1/2-28 to M12 LH .223/5.56

The CMMG PS90 Thread Adapter converts the FN PS90’s factory M12 x 1.0 left-hand muzzle threads to a 1/2-28 tpi mounting interface. It is intended for use on short-barrel PS90 SBR builds where standard .223/5.56 muzzle devices are required. Constructed of steel with a black finish, the adapter provides a direct thread conversion without permanent modification to the muzzle.

Key Specifications

• The product is a Thread Adapter.
• Designed to fit FN PS90 muzzle threads.
• Adapts the PS90’s factory M12 x 1.0 LH thread to 1/2-28 tpi.
• Compatible with most .223 Rem/5.56 NATO muzzle devices.
• Constructed from Steel.
• Finish is Black.
• Intended use: PS90 SBR builds for mounting muzzle devices.

This adapter provides a straightforward, durable thread conversion for PS90 platforms that need to accept standard .223/5.56 muzzle devices. With steel construction and a black finish, it offers a practical solution for builders and shooters seeking a reliable interface between PS90 factory threads and common muzzle device standards.