Springfield STE916556B: Springfield Armory SAINT(TM) Edge AR-15 5.56 Premier components for quick-handling improved accuracy and performance comparable to custom AR builds costing much more. At just over 6 lbs. the Edge is one of the lightest AR-15s on the market featuring a patent-pending free float handguard and billet receiver with lightening cuts for effortless operation. An SA proprietary muzzle brake virtually eliminates recoil while the Melonite-treated trigger allows for a crisp trigger press with no creep. The Accu-Tite(TM) tension system ensures a tight fit with no rattle between the upper and lower receivers paired with a premium M16 BCG that has been shot peened and MPI tested for reliability. Adjustable pinned gas block 1:8 twist flared mag well metal flip-up sights and Bravo Company furniture.