![[Army Froce] Stainless Steel 6.01mm Precision Inner Barrel[For WA M4 GBB Series][550mm]](http://www.sixmm.com/cdn/shop/products/ArmyFroce_StainlessSteel6.01mmPrecisionInnerBarrel_ForWAM4GBBSeries_550mm.jpg?v=1641282541&width=1200)
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Joint inapproprié pour system 7
The grip needs some shaving but other than that fits great into marui and cowcow grips
Fits really well into Double Eagle and Cyma m4s
It has a plastic slide, but perfect for upgrading
fits really well into ml and tti chamber