• Unequaled Low Light Performance
• Brightest Night Sights Available Today
• Used by Military & Law Enforcement
• All Tru-Dot® sights are covered by a 5 years usable illumination warranty to orginal purchaser.
  
  The ML- 34301 is for early versions of the M1S90.The easiest way to tell if this is the correct sight is to look at the rear "ghost ring" sight. If it "slides" from side to side in the doventail, then it is the correct set.