Shopping > AR-15 Parts > Barrel Assemblies Click For Details 16" Light Weight Complete Upper Barrel AssemblySKU Number: BAA3-L16 Price: $495.00 Click For Details 18" Mark 12 Complete Upper Barrel AssemblySKU Number: BAA3-M12 Price: $495.00 Click For Details 16" BULL BARREL COMPLETE UPPER BARREL RECEIVER ASSEMBLYSKU Number: FTBL-B16 Price: $565.00 Click For Details 18" BULL BARREL COMPLETE UPPER BARREL RECEIVER ASSEMBLYSKU Number: FTBL-B18 Price: $575.00 Click For Details 20" BULL BARREL COMPLETE UPPER BARREL RECEIVER ASSEMBLYSKU Number: FTBL-B20 Price: $595.00 Click For Details 24" BULL BARREL COMPLETE UPPER BARREL RECEIVER ASSEMBLYSKU Number: FTBL-B24 Price: $605.00