The DD MK18 Upper: A CQB Powerhouse
The Daniel Protection (DD) MK18 upper receiver is usually a renowned component in the AR-fifteen System, noted for its shut-quarters battle (CQB) prowess. Initially created for USSOCOM (U . s . Special Functions Command), the MK18 upper is now a sought-following selection for the two Expert and civilian AR-15 fanatics on account of its trustworthin