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

This is a 6.03 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.