Gunsmith Bros STI Tactical Magwell - Black

Developed by Gunsmith Bros, the STI Tactical Magwell is a must have for all the competition shooters out there that uses the Tokyo Marui Hi-Capa series, no matter it's 4.3 or 5.1 this would fit your standard grip and improves the entry angle of your magazine, making it a breeze to reload.

Only fits Tokyo Marui Hi-Capa 4.3 and 5.1 series with original grips.