GHK MK18 Customized Tan color Upper Receiver Set Not include bolt carrier, Nozzle. Include rear sight (M4-36) , front sight (M4-37) , Changing Handle..
RA-TECH 7075-T6 forged receiver Daniel Defense MK18 for GHK AR series (Authorized by Daniel Defense) - Comes with New-Age AR genuine steel receiver bolt - For GHK AR series GBB - 7075-T6 Forged Receiver - Daniel Defense Original authorization..
GHK MK18 GBB Forging Version (Colt licensed) - CNC Forging 6061 receiver - Hard anodizing receiver - Modified screw gauge of upper receiver (compatible with real)- New fast adjustable hop set and tool - With GMAG style magazine...