E&C Receiver Set for M4 - AEG

E&C's newest metal receiver set

Supports Quick Change upgrade 2.0 spring guide system and tool-less Buffer Tube removal.

Also is compatible with non-quick change gear boxes, and regular buffer tubes!

Original Part Number MP001A

Package Includes:

• Anodized Aluminum Metal upper and lower receivers (no markings)
• Front and Rear body pins
• Trigger Pin
• Complete Magazine Catch assembly
• Bolt Catch, and Bolt Catch Pin
• Complete Selector Assembly
• Complete Charging Handle Assembly