ZRODELTA READY SERIES AR15 5.56 NATO / 223 REM / 223WYLDE TRUE MULTI-CAL 30+1 Magazine Action: Semi Auto - Direct Impingement • Finish: Black Hard Coat Anodized • Barrel Length: 16" 1:8" Twist • Sights: None-Optic Ready •  Stock: Mission First Tactical 6-Position Minimalist • Weight: 7.1 lbs • Overall Length: 32" The ZRO Basic rifle from ZRODelta features a Mission First Tactical Minimalist Stock, a free-float M-LOK Rail, 16" barrel, and a 30+1 Round Magazine!