5KU STI Aluminium Magwell - Black slow-mover Ergonomic Bulge and Straight versions

Ergonomic Bulge and Straight versions available (Images dictate the type)

Lower Piston Frame Screw - Part Number: H51-16

Introducing the latest and most attractive grips on the market

It has been proven to work with almost any standard V2 gearbox and AR replica on the market

5KU STI Aluminium Magwell - Black slow-mover Ergonomic Bulge and Straight versionsThe 5KU 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.