Hi capa HPA and M4 adapter for Tokyo Marui mags (L9B4K5UL5) by PrimaryAirsoft
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Download STL file HiCapa to M4 - HPA Adapter • 3D printing model • Cults
HPA M4 mag adapter for Hi-Capa series EU version
I know a lot of people hate the Primary Airsoft adapters, but when it's 110° outside, a light kit is a life saver. Also a great first step into HPA : r/airsoft
Primary Airsoft HPA/M4 adapter for Tokyo Marui Hi-capa | ssairsoft