SilencerCo AC863 Glock 21 Threaded Barrel

SilencerCo AC863 Threaded Barrel for Glock 21

If you're serious about suppressed shooting, you need a quality threaded barrel. SilencerCo engineered the AC863 specifically for shooters who demand reliability and durability.

Key Features

• Caliber: .45 ACP
• Barrel Length: 5.30"
• Material: 416R stainless steel
• Finish: Black nitride for corrosion resistance
• Compatibility: Glock 21 Gen3
• Includes: Thread protector

What You Need to Know

A threaded barrel is the foundation of any suppressed pistol system. The AC863 is built to withstand the rigors of regular suppressed shooting without compromise.

The black nitride finish provides excellent corrosion resistance, ensuring your barrel performs reliably in any environment. 416R stainless steel is a proven material choice for precision firearm components.

Getting Started with Suppression

To complete your suppressed setup, you'll need:

• A compatible pistol suppressor
• A piston assembly (sold separately)

The included thread protector keeps your barrel threads clean and protected when not in use. This is a precision component built to exacting standards—exactly what you'd expect from SilencerCo.