Walther Q5 SF 5.5″ Threaded Barrel — 9mm 1/2×28

The Walther Arms Q5 SF 5.5″ threaded barrel is a drop-in replacement designed for the Q5 Match Steel Frame. It provides a 5.5-inch barrel length in a configuration that accepts common 1/2×28 muzzle devices. The barrel ships with a recoil spring intended to improve reliability when used with threaded muzzle attachments. Polygonal rifling is used in the bore to meet the design specifications.

Key Specifications

• The barrel measures 5.5 inches in overall length.
• Chambered for 9mm ammunition as specified by the manufacturer data.
• Features an 1/2×28 NFA thread pattern for compatible muzzle devices.
• Includes a recoil spring provided for improved function with threaded devices.
• The bore uses polygonal rifling as an additional feature.
• Listed product type is Accessory-Barrels.
• The listed weight is 0.43 (unit not specified by the source).
• This component is not designed to be disassembled per the provided attributes.

Purpose-built for competitive and precision-minded shooters using the Q5 Match Steel Frame, this threaded barrel delivers platform-compatible features and the ability to mount common muzzle devices. Its drop-in fit and included recoil spring make it a practical option for those seeking a threaded-barrel solution while maintaining the handling characteristics of the Q5 platform.