The standard model has "Fixed Sights" Lewis.

fixed sights 45 ACP caliber - 4" hammer forged barrel - 15 round capacity - Fully ambidextrous decocking/safety levers - Slide stop lever - Magazine release button - Single/double action - External extractor with loaded chamber indicator - Ring style external hammer - Black polymer checkered grip panels - Two interchangeable back strap inserts with lanyard eyelets - Polished chamber and feed ramp - Fixed three dot combat sights with deep V notch - Matte stainless metal finish - Serrated trigger guard - Front and rear cocking serrations - Steel frame and slide rails - Stainless steel slide - MIL-STD 1913 accessory rail - Ergonomic frame.

Theyre fixed sights

fixed sights 45 ACP caliber - 4" hammer forged barrel - 15 round capacity - Fully ambidextrous decocking/safety levers - Slide stop lever - Magazine release button - Single/double action - External extractor with loaded chamber indicator - Ring style external hammer - Black polymer checkered grip panels - Two interchangeable back strap inserts with lanyard eyelets - Polished chamber and feed ramp - Fixed three dot combat sights with deep V notch - Matte stainless metal finish - Serrated trigger guard - Front and rear cocking serrations - Steel frame and slide rails - Stainless steel slide - MIL-STD 1913 accessory rail - Ergonomic frame.

Fixed Sights -- ((Specifications and Features)): - .45 ACP caliber - 4" hammer forged barrel - 15 round capacity - Fully ambidextrous decocking/safety levers - Slide stop lever - Magazine release button - Single/double action - External extractor with loaded chamber indicator - Ring style external hammer - Black polymer checkered grip panels - Two interchangeable back strap inserts with lanyard eyelets - Polished chamber and feed ramp - Fixed three dot combat sights with deep V notch - Matte stainless metal finish - Serrated trigger guard - Front and rear cocking serrations - Steel frame and slide rails - Stainless steel slide - MIL-STD 1913 accessory rail - Ergonomic frame.