SilencerCo AC864 Threaded Barrel | Glock 17 | 9mm | 1/2×28

This SilencerCo replacement barrel is a threaded option intended for Glock 17 pistols (compatible with Gen1–Gen4). It is constructed from 416R stainless steel and finished in black nitride for improved surface hardness and corrosion resistance. The barrel is supplied with 1/2×28 RH threads and includes a thread protector; a compatible piston is required when mounting a pistol suppressor.

Product Specifications

• The manufacturer is Silencer Co.
• The manufacturer part number is AC864.
• The barrel is designed to fit Glock 17 pistols.
• The cartridge compatibility is 9mm.
• The barrel is constructed from 416R stainless steel.
• The exterior finish is black nitride.
• The thread pattern is 1/2×28 RH.
• The package includes a thread protector.
• The barrel feature is listed as threaded.
• The barrel is compatible with Glock Gen1–Gen4 (not Gen5).
• The rate of twist is 1:10 RH.
• The barrel is noted as part of the Glock 17 Compatible series.
• The UPC for this product is 817272012002.

SilencerCo built this threaded barrel to provide a durable, suppressor-ready option for Glock 17 owners who want a factory-quality replacement. Its 416R stainless construction and black nitride finish prioritize corrosion resistance and service life while the 1/2×28 thread pattern matches common pistol suppressor mounts when used with the correct piston. This barrel is suitable for range use and suppressed training or competition where reduced muzzle reports and recoil impulse management are desired.