300mm UNICORN Nitroflon Coating 6.03MM Ultimate Precision Inner Barrel For GBB
Tokyo Marui/WE/VFC M4 12″ all fit (M733 size)
1. Material: Brass with Nitroflon Coating
TokyoMarui/WE/VFC M4-10.5″(CQBR)
3. AEG specifycation, included AEG 60 degree bucking, 50 degree Hop-Up Nub and brass ring
300mm UNICORN Nitroflon Coating 6.03MM Ultimate Precision Inner Barrel For GBB
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