Magpul MS4 Dual QD Sling GEN2 Race Gun Parts - Replace the magazine inlet

- Replace the magazine inlet valve o-ring of Marui airsoft magazine

please let us know when ordering if you are an early user of VFC /Umarex HK416 **

1 x Airsoft AEG Rifle

- Individually loaded and gassed shot shells

Hop Up- Adjustable

Magpul MS4 Dual QD Sling GEN2 Race Gun Parts - Replace the magazine inletHeavy duty push button Quick Disconnect Sling Swivels for both one and two point attachment Compatible with buttstocks, end plates, receivers, and hand guards that have a push button QD socket Durable, precision cast steel QD D Ring allows for quick transition from one to two point mode and is finished with Melonite for extreme resistance to wear and corrosion Custom 1. 25 inch wide nylon webbing material is strong and wear resistant while remaining