HK 226347 USP45C 45 ACP 4.46″ Threaded Barrel

This is a spare threaded barrel intended for the Heckler & Koch USP45 Compact Tactical. It measures 4.46 inches and is specified for .45 ACP. The barrel includes a threaded muzzle and lists a 16 x 1mm hand twist along with an O-ring groove. It is finished in black steel and is listed as a replacement for part number 203106.

Key Specifications

• The barrel length is 4.46 inches.
• The chambering is .45 ACP.
• The muzzle is threaded.
• The twist specification is 16 x 1mm hand twist.
• The design includes an O-ring groove.
• The exterior finish/material is black steel.
• Designed to fit H&K USP45 Compact Tactical models.
• Replaces part number 203106.
• The country of origin is DE.
• The weight is recorded as 0.25.

Sized for the USP45 Compact Tactical, this threaded replacement barrel provides a factory-compatible option for owners needing a spare or wanting to adapt their compact pistol for accessory mounting. Its straightforward fitment and conservative weight make it a practical choice for those seeking a durable, serviceable barrel that aligns with the original design intent.