VFC HK416A5 AEG (w/ Avalon ECS Gearbox) (Black / Tan) (US Version) Color:Black 007mm whereas their SUS304 barrels

007mm whereas their SUS304 barrels are made to +-0

Unlimited Eye Relief    Yes

and also uses AEG springs

Compatibility: For WE-Tech Bulldog Compact Airsoft GBB Pistols

Anodization Coating / Laser Marking

VFC HK416A5 AEG (w/ Avalon ECS Gearbox) (Black / Tan) (US Version) Color:Black 007mm whereas their SUS304 barrels***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