sour cream (milk)

This of course allows for a significantly higher muzzle velocity

It comes with a US HPA Tap - But a pistol magazine is not included

there are 3 magazines with space for 12 shots

Creeper Concepts Hi-Capa HPA Adapter til M4 Mags 111V-1000-S sour cream (milk)BO Manufacture, together with Creeper Concepts, has made this 3D printed HPA Adapter so you can mount M4 magazines in your Hi Capa pistol. It is printed on a special Nylon Sintering Printing (SLS Technology) which is required by FCC, AirQB and SpeedQB. It comes with a US HPA Tap But a pistol magazine is not included, you have to get that and put it on yourself!