Tech SIGHT Aperture Inserts for TSR200, TSM200, MINI200 and Other 200 Series Rifle Sights.

The Insert Ready Aperture System from Tech-SIGHTS allows the shooter to change the aperture opening size to fit preference and or shooting conditions. The fixed .062 opening aperture is easily replaced with the TS00227 Insert Ready Aperture and accepts three different size urethane inserts. Urethane is a very durable material with incredible memory characteristics that allow it to return to its original shape even after being bumped or pushed out of shape. Urethane is also very resistant to oil and solvents, making it the perfect material for use on a rifle. The combination provides the shooter with an economical quality sight picture for a wide array of shooting conditions.