Williams 5D-AG Rear Peep Sight for Rimfire Receivers with Dovetail Grooves Low Sight Line

Available for most of the more popular rifles and shotguns, the inexpensive, quality-made 5D sight. These sights are patterned after the Foolproof. They have the same strength, lightweight, and neat appearance, but without the micrometer adjustments. For air guns and .22 rifles with dovetail grooved receivers and high line of sights (no drilling and tapping required).