410mm UNICORN Nitroflon Coating 6.03MM Ultimate Precision Inner Barrel For GBB
for M4-16″ and fit for TYPE89 or SR-25
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
