Nexgen AR-15 .223 Wylde Semi-Auto Rifle with Bronze Nitride Finish The NG 15 combines all of the durability and reliability the Ready Series is known for with streamlined, no-nonsense features designed for dependable performance and versatility. 15" M-LOK aluminum handguard with full-length Picatinny top rail Low-profile .750 gas block for a clean, lightweight profile Nitride bolt carrier group for enhanced durability Mil-spec charging handle 6-position adjustable stock Standard pistol grip Hard coat anodized finish