Rain Ordnance Bro-22 1/2X28 Threaded Brl .22 Lr 18" W/ A2 Thread Protector
The Black Rain Ordnance Bro-22 threaded barrel in .22 LR is a purpose-built upgrade for shooters looking to add suppressor-ready capability to their rimfire platform. This 18-inch barrel comes with a 1/2x28 threaded muzzle—the industry standard for .22 LR suppressors and muzzle devices—and includes a protective A2 thread protector to keep threads clean in your safe or range bag. Built from 4150V nitrided steel, it's engineered for durability and corrosion resistance in the field, whether you're plinking, small-game hunting, or running suppressed .22 matches.
The Bro-22 barrel is crowned with precision and chambers Bentz-spec ammunition, so you'll get consistent feeding and accuracy out of the box. Its 1:16 twist rate with six grooves is tuned for standard and high-velocity .22 LR loads, and the specs are laser-engraved on the barrel itself for easy identification. One important note: this threaded barrel is not compatible with AR-22 pattern rifles, so confirm your platform before ordering.
If you're building or upgrading a rimfire rifle and want suppressor-ready versatility without sacrificing reliability, this threaded barrel delivers the solid construction and attention to detail Black Rain Ordnance is known for. Pair it with your choice of .22 suppressor or a quality muzzle brake and you're ready to shoot quieter and cleaner.
Key Features
- 1/2x28 threaded muzzle—compatible with standard .22 LR suppressors and muzzle devices
- 4150V nitrided steel construction for durability and corrosion resistance
- Bentz-spec chamber for reliable feeding and accuracy
- 1:16 twist rate, six-groove rifling optimized for .22 LR ballistics
- 18-inch barrel length for balanced handling and velocity
- Includes A2 thread protector to preserve muzzle threads
- Laser-engraved specifications for easy identification
Specifications
| Caliber | .22 LR |
| Barrel Length | 18 inches |
| Thread Pattern | 1/2x28 |
| Material | 4150V Nitrided Steel |
| Chamber | Bentz |
| Twist Rate | 1:16 |
| Rifling | 6-groove |
| Includes | A2 Thread Protector |
| Compatibility | Not compatible with AR-22 pattern rifles |
Frequently Asked Questions
Will this barrel work with a .22 LR suppressor?
Yes. The 1/2x28 threaded muzzle is the standard thread pattern for .22 LR suppressors, so this barrel is ready to run suppressed with any common rimfire can.
What rifles is this barrel compatible with?
This barrel is designed for rimfire rifles that accept threaded barrels with 1/2x28 threading. It is not compatible with AR-22 pattern rifles, so verify your platform before purchase.
Does it come with a thread protector?
Yes, an A2 thread protector is included to keep the muzzle threads clean and protected when you're not running a suppressor or muzzle device.
What twist rate and rifling does this barrel have?
The Bro-22 features a 1:16 twist rate with six-groove rifling, tuned specifically for standard and high-velocity .22 LR ammunition.

