The Daniel Defense DD4 MK18 RIII SBR 5.56mm 10.3" 1:7 Govt Bbl Car RIS III 9.5 FDE Semi-Auto Rifle is a compact, duty-grade AR-pattern platform built for reliability, durability, and exceptional maneuverability in close-quarters and defensive applications. It features a cold hammer forged 10.3in government profile barrel with a 1:7 twist rate and carbine-length direct impingement gas system, delivering consistent accuracy and long service life. The rifle is equipped with the Daniel Defense RIS III 9.5in free-float handguard, providing enhanced strength and versatile accessory mounting capability. Finished in Flat Dark Earth for added corrosion resistance and visual appeal, this model includes an SB Tactical SBA3 stabilizing brace for adjustable support, Daniel Defense flash hider, ambidextrous safety selector, and a dependable mil-spec trigger, creating a rugged, high-performance platform trusted by professional and recreational shooters alike.