CMC Triggers AR-15 Carbine Buffer 3.0oz Black Small. Precision-engineered to exact Mil-Spec dimensions for 5.56 NATO and .223 Rem platforms this complete BCG is built to handle high-volume firing schedules without compromise. Finished in advanced Nickel Boron this ultra-durable coating delivers an exceptionally smooth surface that drastically reduces surface-to-surface friction between sliding components. Beyond maximizing smooth action the Nickel Boron finish efficiently dissipates heat to extend component lifecycle and minimize internal wear. Specifications for CMC Triggers AR-15 Carbine Buffer: Manufacturer: CMC Triggers Color: Black Gun Make: AR Platform Gun Model: AR-15 Handle Color: Black Package Contents: CMC Triggers Carbine Buffer Fits AR-15 3oz Black What firearm models does the manufacturer say CMC Triggers AR-15 Carbine Buffer is compatible with? The manufacturer suggests that CMC Triggers AR-15 Carbine Buffer is compatible with AR-15CMC Triggers CMC-AR15-BUF-STD: AR-15 Carbine Buffer 3.0oz Black Small