CALIBER: 9x19, .40 S&W, .45 ACP
FRAME:  STI Patented Modular Steel or Aluminum, Aluminum Mainspring Housing
GRIP: Black Glass Filled Nylon Polymer
SLIDE: 3.9" Classic with StI Rear Cocking Serrations
TRIGGER: STI Long Curved Trigger
BARREL: STI Bull Barrel, 3.9" Ramped, Fully Supported
SAFETIES: STI High-Ride Beavertail Grip Safety Ambidextrous Thumb Safeties
GUIDE ROD: STI Recoil Master
SIGHTS: STI Ramped Front     STI Fixed Rear
O.A.LENGTH:     6.75"
WEIGHT: Steel Frame: 29.7 oz Aluminum Frame: 26 oz
FINISH: Blued Matte Finish