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Unicorn GBB 300mm 6.03mm Inner Barrel

Unicorn GBB 300mm 6.03mm Inner Barrel

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UNICORN Nitroflon Coating 6.03MM Ultimate Precision Inner Barrel For GBB


Common size for:

Tokyo Marui/WE/VFC M4 12″ all fit (M733 size)


length: 300MM

outer: 8.55MM

inner: 6.03MM

material: Brass electroplating nitroflon coating

includes: 60 degree GBB Unicorn hop up bucking

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