GBBR Precision Barrel 6.01 x 370mm M4A1 MWS Long Marui PDI

PDI is a Japanese brand specializing in high-end airsoft parts for many years. The company’s reputation speaks for itself!

This is a 6.01 x 370mm GBB precision barrel, the same size as the Tokyo Marui M4A1 MWS Long. Ideal for improving the accuracy and grouping of your shots.

Made of SUS304 steel with a tolerance of ±0.002mm. It features an integrated O-ring at the end of the barrel.