San Tan Tactical STT-15 5.56 NATO 16″ 30-Round AR Rifle

The San Tan Tactical STT-15 is an AR-pattern rifle chambered for .223 Rem/5.56 NATO with a 16-inch barrel. It is built around matched, hand-finished pillar billet sets for consistent fit and finish. The STT-15 lower is fully ambidextrous and includes three QD attachment points for slings or accessories. Finished in camouflage Cerakote and configured with a 30-round capacity, the platform is aimed at range use, competition, and general sporting applications.

Key Specifications

• Caliber is .223 REM/5.56 NATO.
• The barrel length is 16 inches.
• The magazine capacity is 30 rounds.
• The action type is Semi-Auto.
• The exterior finish is Cerakote.
• The color is Camo.
• The model designation is STT-15.
• The manufacturer is San Tan Tactical.
• The product type is AR.
• Includes matched, hand-finished pillar billet sets and a fully ambidextrous lower with three QD attachment points.

Precisely machined components, ambidextrous controls, and a practical 30-round capacity make the STT-15 a versatile platform for shooters who prioritize reliability and fit. The Cerakote camo finish helps protect surfaces while maintaining a discreet appearance, and the billet construction offers a solid foundation for optics and accessory setups. For range sessions, competitive stages, or general sporting use, the STT-15 provides a well-rounded, purpose-built AR platform.