Luth-AR carbine buffer spring engineered for .223 Remington/5.56 NATO platforms. Precision-manufactured component fits standard carbine receiver extensions with reliable performance.
The Luth-AR BS-10A buffer spring is a precision-engineered component designed to deliver consistent, reliable performance in your .223 Remington or 5.56 NATO carbine.
The buffer spring is a critical component in your rifle's operating system. A quality spring ensures reliable cycling, consistent bolt carrier group velocity, and longevity of your firearm. Luth-AR's commitment to precision manufacturing means you get a component built to last.
Whether you're maintaining an existing rifle or building a new one, this buffer spring delivers the dependability you need for years of reliable service.