San Tan STT-15 Lite 6mm ARC 18″ AR Rifle, Black

San Tan Tactical’s STT-15 Lite is an AR-platform rifle chambered in 6mm ARC, designed for precision-oriented and field applications. It pairs an 18″ carbon fiber barrel with a semi-automatic action and an anodized black finish for a balance of weight savings and durability. Ergonomics include a Magpul CTR stock, a Magpul MOE Plus grip, and front/rear flip sights for practical, repeatable handling.

Key Specifications

• The action is Semi-Auto.
• The caliber is 6mm ARC.
• The barrel length is 18″.
• The barrel type is Carbon Fiber Barrel.
• The model is STT-15 Lite 6ARC.
• The stock is a Magpul CTR.
• The grip material is Magpul MOE Plus.
• Sighting comes via Front/Rear Flip Sights.
• The finish is Anodized.
• The capacity is 15.

The STT-15 Lite combines a lightweight carbon fiber barrel and a straightforward control layout to deliver a balanced AR in the 6mm ARC chambering. Its configuration favors medium-range accuracy and practical handling, making it well suited for shooters who prioritize efficient, modern sporting performance and reliable ergonomics.