San Tan Tactical 5.56x45mm 16", Desert Multicam

San Tan Tactical's STT15 5.56x45mm AR-15 Rifle is engineered for precision, durability and superior performance. Built from true matched, hand-finished pillar billet sets, the STT15 lower is fully ambidextrous and features three QD attachment points for enhanced versatility. The upper is precision-machined from a single solid block of 7075-T6 Certified Aerospace Aluminum, ensuring exceptional strength and reliability. Every critical surface, including the bore, receiver extension face, barrel nut threads and barrel extension areas, is machined in one operation to achieve perfect alignment with the barrel assembly. Each serial-number-matched receiver set is hand-ground for optimal fit, refined finish and consistent long-term accuracy. Completing the build, the San Tan 5.56x45mm barrel is crafted from 41V50 vanadium steel, featuring a 1:7 twist, a 1/2-28 threaded muzzle and a dimpled surface for precise gas block alignment and retention. Designed for shooters who demand excellence, the STT15 delivers uncompromising reliability and performance.STT suppressor optimized enhanced bolt carrier group improves suppressor efficiency and longevitySTT 5.56x45mm barrel for superior performance and accuracyEquipped with a CMC Triggers Flat 3.5lb single-stage drop-in trigger for crisp, consistent performanceMagpul MOE grip and stock deliver ergonomic handling and stability for improved shooting performanceM-LOK handguard ensures a secure and customizable attachment system for tactical enhancementsEquipped with an ambidextrous charging handle for seamless operation from either sideMil-Spec 6-position buffer tube with H1 buffer provides recoil control and adjustabilityPrecision CNC machined from Billet 7075-T6 certified aluminum for superior strength and durabilityFeatures extended feed ramps for reliable and consistent feedingIncludes ambidextrous magazine and bolt release controls for improved functionality and ease of useDesert multicam CeraKote finish enhances durability while providing a rugged, tactical look