San Tan Tactical 5.56x45mm 10.50"

San Tan Tactical's STT15 5.56x45mm AR-15 Pistol is crafted with precision, featuring true matched, hand-finished pillar billet sets for superior quality. The fully ambidextrous STT15 lower includes three QD attachment points for enhanced versatility. The upper is meticulously cut from a single piece of solid 7075T6 Certified Aerospace Aluminum, ensuring unmatched strength and durability. The bore, receiver extension face, barrel nut threads and barrel extension surfaces are all machined in a single operation, guaranteeing perfect concentricity and perpendicularity to the barrel assembly. Our serial number-matched receiver sets are hand-ground to provide optimal fit, finish and long-term repeatable accuracy. The San Tan 5.56x45mm barrel, made from 41V50 vanadium steel, features a 1:7 twist rate, is threaded 1/2-28 and is dimpled for gas block alignment and retention, delivering the ultimate in precision and reliability.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 useThe Type III, Class 2 deep black hardcoat anodized finish enhances both aesthetics and durability