GBU Custom Series - Match Grade Alloy B01 Mag Base Cylinder Head Suits most gas blowback 1911

Suits most gas blowback 1911 gel blasters

this heavy-hitting pistol delivers shooting power up to 300+ FPS for long-range accuracy and top-notch performance

Standard V2 M4 Receivers

This package also includes an enhanced trigger spring to keep your custom build snappy and at its highest performance

Outer Diameter 9

GBU Custom Series - Match Grade Alloy B01 Mag Base Cylinder Head Suits most gas blowback 1911This 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