The Williams™ FRONT SIGHT RISER BLOCK .250 (N) these risers add to the height of the dovetail. Especially handy on models that require higher than normal front sight. Available in two widths: .250" model is for Williams Streamlined ramps. .340" wide model is for all standard ramps.

Technical Information

Material: Strong, lightweight alloy with a tensile strength of 85,000 pounds

Finish: Rustproof, anodized blue-black finish

Features: Designed to add .25" to the height of a dovetail front sight

Gunsmithing Required: 

Notes: 

• Comes with an allen wrench to tighten block into place
• Fits: Williams streamlined ramps or ramps with a 1/4" top width
• Incorporates a standard 3/8" dovetail