CMMG Spring Bolt Catch AR15

CMMG Spring Bolt Catch AR15. This bolt catch spring is engineered to provide the precise tension needed for smooth and reliable bolt catch operation in AR-15 platforms. Its durable construction ensures consistent performance, making it a dependable choice whether you're assembling a new lower, replacing worn components, or performing routine maintenance. Designed to fit standard AR-15 specifications, it offers straightforward installation and long-term reliability in any mil-spec compatible build.