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.