Rock Island Armory (RIA) announced the launch of its first striker-fired pistol, the STK100, in 2021, giving consumers a different take on this popular pistol concept. Unlike many competing manufacturers, RIA elected to use aluminum instead of polymer for its grip frame, which provides a different set of performance characteristics than many other options available today.
BRAND NEW.  We have one in stock.
  • BARREL: 4.5"
  • OVERALL LENGTH: 7.9"
  • RATE-OF-TWIST: 1-in-16"
  • CAPACITY: 17 + 1
  • # OF MAGAZINES: 1
  • MAG DESCRIPTION: 17 rd.
  • SIGHTS: 3-Dot Sights
  • SIGHT TYPE: Fixed Sights
  • WEIGHT: 1.8 lbs.
  • CASE: Plastic Case
  • ADDL INFO: Optic-Ready Slide
  • ADDL INFO: Modular Aluminum Frame
  • ADDL INFO: Lightening Cuts/Serrations
  • MFG MODEL NO: 56625