Brownells Adjustable Gas System Fits BRN-180

Discover our comprehensive range of replacement or backup gas system Components, meticulously designed for Gen 1 and Gen 2 upper receivers. Our components offer unparalleled performance and compatibility, whether you're looking to upgrade or ensure the reliability of your firearm. Tailored to fit all chamberings and configurations, these components provide the flexibility and precision needed for optimal functionality. Engineered with high-quality materials, they promise durability and efficiency, ensuring your system operates smoothly under any condition. Choose from our diverse options to find the perfect match for your setup and experience enhanced performance and peace of mind with every use.The adjustable gas system kit comprises a gas nipple, a gas cup and a retaining clip