Suitable for Marui VSR 10. You will need part PDI-PT-VSR-BBB PDI VSR Bull Barrel Base to complete the installation.

For Tokyo Marui VSR-10.
Made of Duralmin and all CNC machined.

The depth is 3mm all CNC machined, thickness is about 6mm.
This outer barrel has 4 fluted-lines and its depth is 3mm.

Original size “eu”
VSR-10 L size(with Bull Barel Base)
Inner barrel size is 554mm.