These risers meet mil. spec 1913 and use a larger screw for more clamping power. They fit any picatinny rail. Great for elevating scopes, sights, flashlights, etc. These risers elevate your accessories 1/2″

• Made from aircraft-quality aluminum
• Hardcoat Anodized matte black to Military Specifications or better
• Length: 1-1/4″
• 1/2″ Tall
• Weight: 1.024 Oz.