Williams Gun Sight FP-GR-TK Foolproof Receiver Peep Sight w/Target Knob Adjustable

The internal micrometer adjustments securely lock to prevent any unintentional changes to the sight settings. The design ensures there are no obstructions that could hinder or obscure the shooter's field of vision. The device weighs a mere 1.5 oz. It features standard hole spacing, compatible with rifles that are factory drilled and tapped for a receiver sight. Blued steel "target knobs" facilitate precise adjustments for windage and elevation, ensuring accurate alignment and targeting in various conditions Blued steel aperture foolproof receiver peep sight featuring precision target knobs for enhanced accuracy and user-friendly adjustments The opening measures precisely 0.093 inches, equivalent to 2.4mm, ensuring compatibility with components requiring this specific dimension