This is a San Tan Tactical AR known as the STT-15 6ARC chambered in 6MM ARC, model STT-15-6ARC.
San Tan's innovative high-quality firearm systems and unparalleled performance in combination with Hornady's New 6ARC round take the AR15 platform to a whole new level!
Features:
Suppressor Optimized Enhanced bolt carrier group
Precision CNC machined from billet 7075-T6 certified aluminum
6mm ARC
