da Vinci Airsoft have shared details of their new inner barrel for the VSR-ONE:
This is da Vinci – CEO, Tomo
We’ve released new inner barrel for VSR-ONE.The 1st item is 05 Raizen Inner Barrel.
6.05mm bore.
Precision Stainless steel (SUS304)
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The 2nd item is 01 Raizen Inner Barrel.
6.01mm bore.
Precision Stainless steel (SUS304)
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Those barrel design is same as Tokyo Marui original, it has a bridge.
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da Vinci Airsoft