This SilencerCo threaded barrel is made for the Glock 21 and is intended for use with threaded accessories such as pistol suppressors. It is produced from 416R stainless steel and finished in black nitride for enhanced surface durability. The barrel ships with a thread protector; when used with a suppressor it requires a compatible piston. The design follows SilencerCo’s established approach to durable, service-grade pistol barrels.
Key Specifications
- Compatible with Glock 21.
- Chambered for .45 Auto.
- Thread pitch is .578×28.
- Constructed from 416R stainless steel.
- Finished in black nitride.
- Includes a thread protector.
- For suppressor integration this barrel requires a piston.
- The listed weight is 0.345.
- The listed shipping weight is 0.345.
Purpose-built for shooters who need a service-quality threaded pistol barrel, this SilencerCo option offers material and finish choices compatible with regular use and suppressor setups. Its thread profile and factory-supplied thread protector simplify attachment of aftermarket components, while the 416R stainless construction provides reliable wear characteristics. For those fitting a suppressor, pair this barrel with the correct piston and compatible accessories to complete a dependable configuration.
