GBU Custom Series - Match Grade Alloy B01 Mag Base Cylinder Head Firing Power+ Feet Per Second

Firing Power+ Feet Per Second (FPS)

Outer Diameter 9

This kit is Universal on all gel Blaster Rifles

Relief: Unlimited eye-relief

Standard V2 M4 Receivers

GBU Custom Series - Match Grade Alloy B01 Mag Base Cylinder Head Firing Power+ Feet Per SecondThis 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