L&S(R) AR-15 barrel is chambered in 5.56 NATO and features a 16 in pencil-profile design with a carbine-length gas system. Equipped with M4 feed ramps this lightweight-profile barrel is intended for compatible AR-15 upper receiver assemblies. Its configuration supports replacement and custom rifle assembly applications.Key Features16 in barrel lengthChambered in 5.56 NATOPencil-profile barrel contourCarbine-length gas systemM4 feed rampsDesigned for compatible AR-15 upper receiver assembliesL&S(R) offers firearm components intended for compatible sporting firearm platforms. The brand's parts support replacement and custom assembly applications. Product compatibility and individual component specifications should be confirmed against the intended firearm configuration.