Description
BCI AR-15 556 Sentry Specifications BCI 515-001 5.56 NATO (accepts .223 Remington) 16″ M4 profile barrel with A2 flash hider 1.7″ twist 30 rounds capacity 7075-T6 receivers, hard coat anodized Picatinny rail topped handguard Same plane railed gas block Six position stock Overall length 32″ to 35″ Weight 6.2 lbs Black
