The DD MK18 Upper: A CQB Powerhouse
The Daniel Protection (DD) MK18 upper receiver is often a renowned component during the AR-fifteen System, known for its close-quarters fight (CQB) prowess. Initially created for USSOCOM (U . s . Special Functions Command), the MK18 upper has become a sought-following selection for both of those Qualified and civilian AR-15 lovers resulting from it