KM barrels from Japan have been famous as the best in the business since the 1990's, and continue to provide an unmatched level of performance through their super smooth bore finish. Precision Teflon-Nickel barrel measuring 6.04mm inner length for high levels of air-tightness which in turn provides maximum BB barrel exit velocity. This barrel has double notches for the barrel retaining clip, so it is also suitable for the Tokyo Marui M14 series. Total length 650mm
Remember to also get some silicone spray which you need to use in cleaning this precision barrel to maintain an optimum level of performance.