The DD MK18 Upper: A CQB Powerhouse
The Daniel Defense (DD) MK18 upper receiver is a renowned component in the AR-fifteen platform, noted for its close-quarters beat (CQB) prowess. Initially designed for USSOCOM (U . s . Specific Operations Command), the MK18 higher has become a sought-just after choice for both Specialist and civilian AR-15 lovers as a result of its reliability, man