Nine Ball Hi Capa HPA/M4 Magazine Adapter HK53 Compatible with various magazines with

Compatible with various magazines with 4 types of adapters

The kit only variant does NOT include a magazine

or foregrips

As mentioned

This adapter is unlike anything else on the market

Nine Ball Hi Capa HPA/M4 Magazine Adapter HK53 Compatible with various magazines withHi Capa HPA M4 Magazine Adapter Stable operation unaffected by temperature fluctuations! Increased magazine capacity using M4 magazines! A great option for those that want to play on the offense! NINE BALL Hi Capa HPA M4 Magazine Adapter will allow you to use HPA (High Pressure Air) and Tokyo Marui spec M4 AEG magazines with Hi Capa Gas Blowback series pistols. HPA ensures stable performance and eliminates inconsistencies which can often be affected