Metal Receiver

and they are packaged in a unique rectangular bottle with a screw-on cap making storage

1X Rear Sight Mount

Glock Sights

Hop up nubs (standard hop up setups) and hop up tensioners (flat hop/R hop setups) are the first point of contact between the gun and the BB itself

Poseidon Avenger 4 AEG w/ Built-in Electronic Trigger System Black lancer pouch Metal ReceiverFeatures Nylon fiber receiver, impact resistant and lightweight Aluminum free float M LOK compatible handguard Flared magazine well to assist with reloading Adjustable 6 position buffer tube stock Full metal gearbox makes for a great upgrade platform, equipped with quick spring release system. Flat faced trigger Integrated mock suppressor, batwing style charging handle for faster control, polymer flip up front and rear sights Trident electronic fire