Angry Gun Rear Sling Adapter for Umarex/VFC HK417 GBB (MOD B, 1-Hole) LRS1 DYTAC Water Transfer M4 Metal

DYTAC Water Transfer M4 Metal Receiver for AEG (Reape Black)  Aluminum Die Castng Construction  Suitable for M4 / M16 Series Airsoft Electric Gun AEG Rifle  Package Include Dust Cover

- Nylon Fiber Construction

Quick Detachable CQB/R Rear Sight

1X Rubber Antenna

4V Li-Poly battery  Opening the bolt cover to adjust HOP UP  Utilize 6mm Plastic Bullet

Angry Gun Rear Sling Adapter for Umarex/VFC HK417 GBB (MOD B, 1-Hole) LRS1 DYTAC Water Transfer M4 MetalAngry Gun Rear Sling Adapter for Umarex VFC HK417 GBB (MOD B, 1 Hole) Metal Constructed Rear Sling Adapter MOD B, 1 Hole Version Design for Umarex VFC HK417 Series Airsoft Gas Blow Back GBB Rifle