The DD MK18 Upper: A CQB Powerhouse
The Daniel Defense (DD) MK18 higher receiver is actually a renowned element from the AR-15 System, recognized for its close-quarters beat (CQB) prowess. Originally designed for USSOCOM (United States Exclusive Functions Command), the MK18 upper has grown to be a sought-just after choice for both Specialist and civilian AR-fifteen lovers as a result