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M4 (T.Marui) Ø6.03 Copper Inner Barrel (280mm) for GBB 11" barrel
Item No. : 2171
This 6.03 precision tight-bore upgrade inner barrel is made by CNC process.
This 280mm length inner barrel is specially made for M4 (T.Marui) GBB with 11” outer barrel. While it provides tighter grouping and higher accuracy shooting, it offers best hop-up performance for longer shooting range.
All products are for airsoft only. They are not made for real steel firearms.