
Availability: In Stock
Current Stock: Out of stock
The Brownells BRN-180 Gen 1/2 adjustable gas block for 223 Wylde is a tuning solution built for shooters who want control over their rifle's gas system. If you're running a BRN-180 upper receiver and need to dial in reliability—whether you're suppressed, shooting various ammunition loads, or just chasing the sweet spot between reliability and felt recoil—an adjustable gas block lets you fine-tune your system instead of guessing with a fixed setup.
Brownells designed this block specifically for the BRN-180 platform, so you're not adapting a generic part. The adjustable design means you can optimize for your exact shooting conditions: tune it up for reliability with lighter loads or suppressed fire, or dial it down to reduce bolt carrier velocity and recoil. That flexibility matters whether you're tuning for accuracy at the range, managing recoil in a precision rifle, or just making your gun run cleaner across the ammunition you actually shoot.
Installation is straightforward for anyone comfortable working on their upper receiver. The adjustable mechanism gives you real mechanical control—not a one-size-fits-all compromise. Whether this is a replacement for a worn gas system or an upgrade from fixed to tunable, it's a smart investment if you want your BRN-180 to run exactly how you want it to.
| Brand | Brownells |
| Product | BRN-180 Adjustable Gas Block |
| Chambering | 223 Wylde |
| Compatibility | BRN-180 Gen 1/2 Upper Receivers |
| Type | Adjustable Gas System |
Yes, this block is designed specifically for Brownells BRN-180 Gen 1/2 upper receivers. It's chambered for 223 Wylde, which is the standard chambering for the BRN-180 platform.
A 223 Wylde chamber safely and accurately fires both standard .223 Remington and 5.56 NATO ammunition. The Wylde chamber is dimensionally optimized for accuracy with both cartridges.
Yes. Adjustable gas blocks are especially useful when running suppressors because they allow you to reduce gas system pressure and manage recoil impulse. You'll tune it to the right setting for suppressed fire.
The adjustable gas system kit includes the gas nipple, gas cup, and retaining clip needed for installation on your BRN-180 upper receiver.

SKU: 194199683 • Weight: 0.5oz





Availability: In Stock
Current Stock: Out of stock
The Brownells BRN-180 Gen 1/2 adjustable gas block for 223 Wylde is a tuning solution built for shooters who want control over their rifle's gas system. If you're running a BRN-180 upper receiver and need to dial in reliability—whether you're suppressed, shooting various ammunition loads, or just chasing the sweet spot between reliability and felt recoil—an adjustable gas block lets you fine-tune your system instead of guessing with a fixed setup.
Brownells designed this block specifically for the BRN-180 platform, so you're not adapting a generic part. The adjustable design means you can optimize for your exact shooting conditions: tune it up for reliability with lighter loads or suppressed fire, or dial it down to reduce bolt carrier velocity and recoil. That flexibility matters whether you're tuning for accuracy at the range, managing recoil in a precision rifle, or just making your gun run cleaner across the ammunition you actually shoot.
Installation is straightforward for anyone comfortable working on their upper receiver. The adjustable mechanism gives you real mechanical control—not a one-size-fits-all compromise. Whether this is a replacement for a worn gas system or an upgrade from fixed to tunable, it's a smart investment if you want your BRN-180 to run exactly how you want it to.
| Brand | Brownells |
| Product | BRN-180 Adjustable Gas Block |
| Chambering | 223 Wylde |
| Compatibility | BRN-180 Gen 1/2 Upper Receivers |
| Type | Adjustable Gas System |
Yes, this block is designed specifically for Brownells BRN-180 Gen 1/2 upper receivers. It's chambered for 223 Wylde, which is the standard chambering for the BRN-180 platform.
A 223 Wylde chamber safely and accurately fires both standard .223 Remington and 5.56 NATO ammunition. The Wylde chamber is dimensionally optimized for accuracy with both cartridges.
Yes. Adjustable gas blocks are especially useful when running suppressors because they allow you to reduce gas system pressure and manage recoil impulse. You'll tune it to the right setting for suppressed fire.
The adjustable gas system kit includes the gas nipple, gas cup, and retaining clip needed for installation on your BRN-180 upper receiver.
SKU: 194199683 • Weight: 0.5oz
