San Tan Tactical's STT15 5.56x45mm AR-15 Rifle is built for precision, durability and top-tier performance. Crafted from true matched, hand-finished pillar billet sets, the STT15 lower is fully ambidextrous and designed with three QD attachment points for enhanced versatility. The upper is 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 surfaces, is precision-machined in a single operation to guarantee perfect alignment with the barrel assembly. Each receiver set is serial number matched and hand-ground for an ideal fit, refined finish and consistent long-term accuracy. Completing the rifle is the San Tan 5.56x45mm barrel, expertly crafted from 41V50 vanadium steel with a 1:7 twist, a 1/2-28 threaded muzzle and a dimpled surface for precise gas block alignment and retention. Engineered for those who demand excellence, the STT15 delivers outstanding reliability and performance.
STT suppressor optimized enhanced bolt carrier group improves suppressor efficiency and longevity
STT 5.56x45mm barrel for superior performance and accuracy
Equipped with a CMC Triggers Flat 3.5lb single-stage drop-in trigger for crisp, consistent performance
Magpul MOE grip and stock deliver ergonomic handling and stability for improved shooting performance
M-LOK handguard ensures a secure and customizable attachment system for tactical enhancements
Equipped with an ambidextrous charging handle for seamless operation from either side
Mil-Spec 6-position buffer tube with H1 buffer provides recoil control and adjustability
Precision CNC machined from Billet 7075-T6 certified aluminum for superior strength and durability
Features extended feed ramps for reliable and consistent feeding
Includes ambidextrous magazine and bolt release controls for improved functionality and ease of use
A tiger stripe CeraKote finish provides a unique aesthetic and increased durability
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