VFC HK416A5 AEG (w/ Avalon ECS Gearbox) (Black / Tan) (US Version) Color:Black Window Size: N/A

Window Size: N/A

But you knew that since you're not stupid

CNC Adjustable Trigger

Unlimited Eye Relief    Yes

This adapter allows you to use HPA (high pressure air) and M4 AEG magazines on your Hi-Capa airsoft pistol

VFC HK416A5 AEG (w/ Avalon ECS Gearbox) (Black / Tan) (US Version) Color:Black Window Size: N/A***Gun may come with Orange Tip*** Body: Full metal receiver Inner Barrel: ~300mm, 6. 05mm ID. Hopup: VFC rotary style chamber w 50 bucking Gearbox: V2 ECS Avalon gearbox w quick spring change Magazine: Standard M4 magazine Muzzle Velocity: 370 410 fps w 0. 2g Electronics: VFC Updated MOSFET Battery: 7. 4v 11. 1v M4 Stick (11. 1v Lipo ready) Battery Location: Rear wired to Deans in a buffer tube Barrel Threading: 14mm CCW Feature: Built in mosfet