San Tan Tactical 5.56x45mm 16", Multicam Black

San Tan Tactical's STT15 5.56x45mm AR-15 Rifle is a precision-engineered firearm built for reliability, accuracy and durability. Designed with true matched, hand-finished pillar billet sets, the STT15 lower features a fully ambidextrous design with three QD attachment points for enhanced versatility. The upper is machined from a single solid block of 7075-T6 Certified Aerospace Aluminum, ensuring superior strength and performance. Every critical surface, including the bore, receiver extension fa