UBK Gen 5 specs: 

• 2.5 – 3 lb. pull weight
• Teflon nickel coated parts
• Uses all stock Glock parts and springs
• ONLY COMPATIBLE WITH STOCK GLOCK PISTOLS – INTENDED FOR COMPETITION USE ONLY
  • Calibers: 9 mm & .40 S&W
    **Not Compatible with new Glock Gen V Models