XS Sight Big Dot Tritium Sight for S&W J Frame & Ruger SP101 (Fixed rear) Revolver- White

Features:

• Tritium powered front sight
• Big Dot front measures 0.188"
• Standard Dot front measures 0.140"
• High-contrast colored front sight
• Glow dot absorbs ambient light and glows in low light
• Durable CNC machined steel
• 10 Year Warranty
• 30 Day Satisfaction Guarantee