Griffin complete uppers are accurate, reliable, affordable uppers worthy of your next build. Each component is crafted in-house to Griffin’s exacting tolerances to ensure a tight fit with other milspec components. Griffin uppers ship with the Enhanced Milspec BCG, SN-ACH™ Gen 2 charging handle, M2 flip-up iron sights, and user’s choice of RailShield™ furniture color. A muzzle device can be added if desired.