Arm or Ally Duty Series Barrel for Glock 20
0.00073 
0.02506 
59.99000 
1.00771 
60.00529 
0.21816 Arm or Ally Duty Series Barrel for Glock 20
Made in the USA – Non-Threaded
The Arm or Ally Duty Series Barrel for Glock 20 is a non-threaded, drop-in replacement designed for precision, performance, and durability. Whether you’re building a P80 PF45 or upgrading a Glock 20 Gen 1–4, this barrel offers a perfect fit and flawless function for your 10mm pistol build.
Crafted in the USA from 416R stainless steel, each barrel is heat-treated for strength and machined with precision to ensure consistent performance. These barrels feature a 6-groove, 1:16 twist conventional rifling design that promotes reliable accuracy with a wide variety of 10mm ammunition types.
The Duty Series was built for shooters who prefer classic, timeless styling without unnecessary frills. With a clean, no-nonsense design and multiple finish options, this barrel delivers rugged simplicity and rock-solid reliability—just what you need, nothing you don’t.
Whether you’re building for everyday carry, range sessions, or home defense, the Arm or Ally Duty Series G20 barrel is a dependable and high-performing upgrade made by shooters, for shooters.
Specifications
- Made in the USA
- Glock® 20 Gen 1–4 compatible
- Precision machined from 416R Stainless Steel
- 6-Groove, 1:16 Twist Conventional Rifling
- SAAMI-Spec 10mm Chamber
Product Information
| Weight | 10 oz |
|---|---|
| Dimensions | 7 × 2 × 1 in |
| Finish | Titanium Nitride, PVD, QPQ Nitride, Raw |
| Platform | Glock |
| Caliber | 10mm |
| Compatibility | G20, 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 |
