The Guntec USA CARBUF 223/5.56 Rifle Mil-Spec Car Buffer significantly enhances AR-style rifle performance. Engineered specifically for .223 Remington and 5.56 NATO calibers, this buffer ensures seamless integration and optimal function. Constructed from premium materials, it effectively manages recoil and enhances cycling efficiency. Mil-spec design for broad AR platform compatibility Reduces wear on internal components Improves accuracy during rapid-fire sessions Lightweight for better rifle balance Simple installation process Weight 3.0 oz Optimize your shooting experience with Guntec USA's reliable and innovative car buffer.