Umarex H&K HK416D GBB Rifle (S72 by KWA)
1/1 Scale High Power Assembled Gas Blow Back GBB Rifle
Semi / Fully Automatic Shooting Mode
GBB system with realistic blowback effect
Realistic construction & field stripping
Official H&K (HECKLER & KOCH) Licensed Authentic Marking on Body
Unique Serial Number on Body

Aluminum Housing Receiver
350mm Metal Outer Barrel With 45mm Metal Flashider
Steel Blot Catch
Aluminum Free Float Rail System Handguard (230mm)
Nylon Fiber 6 position collapsible stock “Slim Line” Telescopic Buttstock“
Quick release Low profile Flip-up front and rear sights
Polymer Pistol Grip Storage space enough for 4 Cells 123A Battery for your device
Metal 40 rounds Loading Capacity Magazine
M4 Style Charging Handle

Functional Bolt catch and release
Adjustable Hop-up Systema
Ambidextrous fire selector lever that is user friendly to both left and right handed

Reference Video
https://youtu.be/H4KjLd_oXZ8