Guarder Steel Night Sight for Marui G17 GBB (Fluorescent White) Net-Weight-(g)_800 Browning had combined traits of

Browning had combined traits of his former pistols and built a prototype around the recently-developed

Gas Pipe Retaining Pin Hand Guard Cap Barrel Nut Assembly Upper Receiver

You will get less air leakage around the BB and a tighter grouping of shots

No Modification

Guarder Steel Night Sight for Marui G17 GBB (Fluorescent White) Net-Weight-(g)_800 Browning had combined traits ofGuarder Steel Night Sight for Marui G17 GBB (Fluorescent White) Steel Construction P Process Surface Finish Technology Glow in dark after exposed to light (Fluorescent Function) Ideal aid to help you aim your target in low light condition Suitable for Tokyo Marui G17 Series Airsoft Gas Blow Black GBB Pistol