The DD MK18 Upper: A CQB Powerhouse
The Daniel Protection (DD) MK18 upper receiver is usually a renowned part during the AR-15 System, noted for its close-quarters combat (CQB) prowess. Originally designed for USSOCOM (U . s . Specific Operations Command), the MK18 upper has become a sought-immediately after option for both of those Qualified and civilian AR-fifteen enthusiasts becau