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″

Specifications
Made from aircraft quality aluminum.
Hardcoat Anodized matte black to Military specifications or better.
Length: 3/4″
Weight: 0.576 Oz.