HK UMP 400-Round Hicap AEG Magazine AEG Airsoft Gun Magazines This Rocket Airsoft Aluminum Cylinder

This Rocket Airsoft Aluminum Cylinder Head is compatible with most Version 3 gear box shells

A great Molle attachment for the most hardcore AK users

You can also port it yourself

to add a sight if needed

HK UMP 400-Round Hicap AEG Magazine AEG Airsoft Gun Magazines This Rocket Airsoft Aluminum CylinderHK UMP 400 round Hicap AEG Magazine High capacity magazines are the favorite magazine for airsoft players. High capacity (Hicap) magazines usually hold 150 rounds or more. These magazines work using a tensioned mainspring (similar to a mechanically wound timepiece) or an electrically driven feeding gear. The advantage of these magazines is the simple fact that they are able to hold a great many BBs. Most beginner or intermediate AEGs come with a high