The DD MK18 Upper: A CQB Powerhouse
The Daniel Defense (DD) MK18 upper receiver can be a renowned component during the AR-fifteen System, known for its close-quarters fight (CQB) prowess. Originally made for USSOCOM (U . s . Special Functions Command), the MK18 higher has become a sought-soon after option for each professional and civilian AR-fifteen enthusiasts because of its trustw