GBU Custom Series - Match Grade Alloy B01 Mag Base 4 Customize your blaster to fit

Customize your blaster to fit your playstyle and dominate the field like never before

Mounting Screws

Total Racing Time around 30 Minutes Full Speed

13:1 SHS Carbon Steel Gearset

RED Laser Light (Hold Button Down for 3 Seconds To access)

GBU Custom Series - Match Grade Alloy B01 Mag Base 4 Customize your blaster to fitThis is the GBU custom series B01 Alloy Magazine Base. This product is compatible with most double stack Hi Capa magazines and gives a perfect coloured accent to match the scheme of your pistol. Product compatibility may vary with different brands, slight modification may be necessary. Specifications CNC Machined from Aluminium 6061 Material Perfect for M4 Mag Adaptors For TM Hi Capa, G E, WE (With Slight Modification), Double Bell & More