The bolt/Dust Cover can be close and eject, just like MARUI Original.

Real A2 rear Sight included

Realistic M4 Up-Receiver.

Realistic M4 Low-Receiver.

Fit in the PIN SET (Both side), do not gule it!

Anodized Aluminum Processing, (M4-A1: Black, M16A2: Dark Gray)

New Generation M4 Metal Receiver Instruction. Click here to Download.

Anodized Aluminum Processing.
This product include HOP-UP/Real rear sight Set.
Use for MARUI M4/M16-A2 Series.
 

Weight: 420 g
Material: Aluminum
Color: Dark Gray

Item No.: AR-34(B)
Suggested Retail Price: USD 210.00