The DD MK18 Upper: A CQB Powerhouse
The Daniel Defense (DD) MK18 higher receiver is often a renowned component during the AR-15 System, noted for its close-quarters beat (CQB) prowess. Originally made for USSOCOM (America Distinctive Operations Command), the MK18 upper is now a sought-soon after choice for both of those professional and civilian AR-15 enthusiasts on account of its tr