Features :
Realistic 1:1 scale construction with approval from the real manufacturer .
Receiver Engraved with Officially Licensed Heckler and Koch (H&K) Trademarks by Umarex .
Featuring Integrated Folding bipod for long range shooting.
New Electric Blow Back System adds realism with each shot.
Fully Functional charging handle opens bolt cover to adjust hop-up
Fully Functional Magnified Combat Sighting System .
Built-In 3.5x Aiming Scope (Adjustable Elevation & Windage) & Red Dot Sight at the Carry Handle (Adjustable Elevation & Windage)
1X Adjustable Folding Stock With Rubber stock Pad and Cheek piece & 1X Spare Folding Stock .
Red Dot Sight Operated by 2pcs  910A 1.5v Battery (Not Included)
Realistic Gas Block, Piston & Barrel Locking System .
Realistic Take down Requires No Tools for Disassemble .
14mm Clockwise Threaded Aluminum One-Piece Outer Barrel .
Full Metal CNC Gears .
Come with 470 Rounds Magazine (Tokyo Marui compatible )
Version 3 Gear Box (Fully compatible with all TM aftermarket upgrade parts) .
Front handguard allow installation up to 8.4V 1700mAh Battery (Mini Type, Mini Plug)

Specifications :
Length : 770mm / 1016mm (stock unfolded)
Barrel Length: ~460mm
Shooting Mode :Semi/Fully
Power Source :8.4 v (Mini type/Mini plug) (Handguard)
Weight (Gram):5642 (With Box)
Gearbox Type : 3
Color : Dark Earth
Magazine Capacity :470 rounds
Materials :Zinc Alloy and Nylon Reinforced Fiber
Barrel Thread Type : 14mm Clockwise
Bullet Type : 6mm BB
Power (Muzzle Velocity) : 380-390 fps
Manufacturer: Umarex