San Tan Tactical STT-15 Features Designed for close-quarters engagements the STT-15 includes an ambidextrous charging handle allowing for enhanced control and ease of operation. The CMC trigger provides a crisp consistent pull ensuring accuracy and rapid follow-up shots. The Midwest Industries Combat Rail offers M-LOK compatibility providing ample space for attachments while maintaining a lightweight and ergonomic design. San Tan Tactical STT-15 Specifications Caliber: 5.56 NATO Barrel Length: 10.5 (Threaded) Finish: Anodized Olive Drab Green Rail System: Midwest Industries Combat Rail (M-LOK) Trigger: CMC Trigger Charging Handle: Ambidextrous Capacity: 30 Rounds Magazine: 1 Included