Springfield Armory ST916556BMALC Saint 5.56x45mm NATO16" 10+1 Black Hard Coat Anodized Trinity Force Breach Blade Stock. Springfield's Saint AR Pistol features forged upper and lower 7075-T6 aluminum receiver with Accu-Tite tension system and a receiver end plate with QD swivel mount point. It also has a 16" 4140 chrome moly vanadium with Melonite treatment and a SA forward blast diverter. The handguard is free-floating with M-Lok and a forward hand stop. The Saint AR Pistol also features a Trinity Force Breach blade, a Bravo Company MOD three pistol grip, carbine "H" heavy tungsten buffer, and a 10-round MagPul PMAG Gen 3.