Thanks to this you will always know how many BBs have been shot from the magazine

Compatibility: Tokyo Marui Hi-Capa Series or Similar GBB Pistol

or as the Ukarianes claim it as a 'trophy piece' on your desk with the RPK model today

The A&K Full Metal Magpul Masada Airsoft Gun is a unique and rare AEG

Officially Licensed by Fabarm

Primary Airsoft Hi-Capa HPA/M4 Angled Aluminum Adapter Skeletonized color:black Thanks to this you will(does not work with all brand of magwells may need to be fitted ) Our 5th generation Hi Capa M4 angled aluminum adapter is designed to be our answer to make a lightweight and durable adapter. The magazine release is now CNC machined aluminum for all Gen5 Primary Airsoft adapters. This adapter allows you to use HPA (high pressure air) and M4 AEG magazines on your Hi Capa airsoft pistol. To use it you will also need an M4 AEG magazine, paintball tank