CYMA CGS Daniel Defense DD M4A1 RIII Receiver Kit for TM M4A1 MWS GBB 
 
Robust Aluminum / Metal Alloy Construction
Fully Licensed by Daniel Defense
Daniel Defense Logo Engraved
Daniel Defense Receiver, Charging Handle, Ergonomic Pistol Grip
Included Hop-Up Unit, Ambi-Selector
Compatible with Tokyo Marui M4A1 GBBR Airsoft
Comes in 3 colors: Black, FDE ; SV
CYMA : DD-RS-0003 BK ; DD-RS-0003 FDE ; DD-RS-0003 SV