Timerzanov Airsoft goes over the GHK Colt M4 RAS 14.5" V2 GBBR made in cooperation with Cybergun... "I offer you the review of a GBBR, a novelty from CYBERGUN in collaboration with GHK! The firm offers a M4 RAS V2 14.5 "GBBR replica with a quality body with a realistic finish and official licensed COLT markings.

Here is a good video by Airsoft Megastore of the CYMA CM005 M4 RAS CQB-R II AEG which they recommend for airsoft players looking for an airsoft M4 AEG under US$200.00... "Looking for a new M4, but don't want to spend $200 or more? CYMA has the answer with the surprisingly terrific CM005 Full Metal M4 6in  RAS II CQBR AEG!