Octane Airsoft shows you how he does reloads with the reloads with the Primary Airsoft Hi-Capa to M4 Mag Adapter. A bit cumbersome if you look at it, but this video can help you do faster reloads especially if you run out of BBs in the middle of a game. This adapter allows you to use an M4 magazine to Hi-Capa GBB pistol and have it HPA tapped.