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

The San Tan Tactical STT-15 is a semi-automatic AR-15 rifle chambered in 5.56x45mm NATO and 223 Wylde. It uses a gas operating system and is built on matched aluminum pillar billet upper and lower receivers. The rifle has a 16-inch barrel with a 1/2x28 threaded muzzle for compensators and other muzzle devices, a Picatinny top rail for optics, and an M-LOK handguard for accessories. The single-stage trigger is rated at a 3.5 lb pull, and the 30-round capacity is standard for the platform.

The lower receiver is ambidextrous, with an ambidextrous safety selector and three QD sling attachment points. The rifle has a black Magpul grip, a Mil-Spec 6-position buffer tube stock, and a black anodized finish. It ships without iron sights.

• Platform: AR-15
• Caliber: 5.56x45mm NATO, 223 Wylde
• Action: Semi-Auto
• Barrel Length: 16 inches
• Capacity: 30 rounds
• Thread Pitch: 1/2x28
• Receiver Material: Aluminum
• Finish: Black Anodized