Brownells Adjustable Gas System Fits BRN-180

Our replacement or backup gas system Components are expertly crafted for Gen 1 and Gen 2 upper receivers, offering exceptional performance and compatibility. Designed to fit all chamberings and configurations, these components provide the flexibility and precision necessary for optimal functionality. Constructed with high-quality materials, they ensure durability and efficiency, allowing your system to operate smoothly in any condition. Explore our diverse selection to find the ideal match for your setup and enjoy improved performance and peace of mind with every use.The adjustable gas system kit comprises a gas nipple, a gas cup and a retaining clip