Arm or Ally Duty Series Barrel for Glock 21
0.00077
0.02505
59.99000
1.06639
59.99600
0.13092
Arm or Ally Duty Series Barrel for Glock 21
Made in the USA – Non-Threaded
The Arm or Ally Duty Series Barrel for Glock 21 is a non-threaded drop-in replacement designed for those who demand reliability, simplicity, and solid performance. It’s compatible with Glock 21 Gen 1–4 frames as well as P80 PF45 builds chambered in .45 ACP.
Each barrel is proudly made in the USA from premium 416R stainless steel. Heat-treated for strength and durability, this barrel features a 6-groove, 1:16 twist conventional rifling for smooth, consistent accuracy.
Built for shooters who prefer no-frills functionality, the Duty Series delivers timeless design with everything you need and nothing you don’t. It’s a clean, high-quality upgrade that drops in with ease and performs under pressure—whether at the range or on duty.
If you’re looking for a reliable, American-made barrel with precision machining and a classic aesthetic, the AOA Duty Series G21 barrel fits the bill perfectly.
Specifications
- Made in the USA
- Glock® 21 Gen 1–4 compatible
- 416R Stainless Steel construction
- 6-Groove, 1:16 Twist Conventional Rifling
- SAAMI-Spec .45 ACP Chamber
Product Information
| Finish | Titanium Nitride, PVD, QPQ Nitride, Raw |
|---|---|
| Platform | Glock |
| Caliber | 45 ACP |
| Compatibility | G21, Gen 1-4 |
| Features | 6 Groove Rifling, Non-Threaded |
| Made in USA | Yes |
| Manufacturer | Leading U.S. Manufacturer |
| Material | 416R Stainless |
| Twist Rate | 1:16 |
| Color | Black, Stainless Steel, Gold, Rainbow, Rose Gold |
