CMMG PS90 5.7×28 10.4″ Barrel | 57DF1C7

This CMMG barrel is a threaded sub-assembly designed for PS90 platforms and chambered for the FN 5.7x28mm cartridge. It measures 10.4 inches and features a 1:9 rate of twist intended for stabilizing standard 5.7×28 projectiles. The muzzle is threaded with metric left-hand threads to accept compatible muzzle devices and adapters.

Use this barrel for PS90 SBR builds and dedicated range or target work where a factory-style PS90 barrel profile and threading are required. It is supplied as a replacement or upgrade barrel intended for installation by knowledgeable builders and gunsmiths.

Product Specifications

• The barrel is chambered for 5.7x28mm ammunition.
• The barrel length measures 10.4 inches.
• The rate of twist is 1:9.
• The muzzle is threaded with M12x1.0 LH threads.
• This barrel is specified to fit the FN PS90 platform.
• The barrel profile is a medium taper intended for PS90 applications.
• The barrel type is listed as pistol length.
• The product is described as black in color.
• Sights are listed as No, indicating no fixed sights are included.
• The manufacturer’s part number is 57DF1C7.
• The UPC for this item is 815835017082.
• The product is offered as a barrel sub-assembly for installation into compatible PS90 receivers.
• Other noted features include threaded muzzle and 1:9 twist for typical 5.7×28 loads.
• The barrel is intended for SBR and range/target applications.

This CMMG PS90 barrel provides a factory-oriented solution for builders and shooters who need a threaded 10.4″ barrel for FN PS90 platforms. Its 1:9 twist and PS90 fit make it straightforward to integrate into a compatible build, and the M12x1.0 LH muzzle threads allow the use of standard PS90 muzzle devices or adapters.