Tasco® Rimfire Optics 4x15mm Riflescope Crosshair Reticle, SILVER  30/30, 3/4" Tube, RF4X15. Equip your small caliber for big time precision and plinking enjoyment with a Tasco Rimfire Series riflescope. An affordable accuracy upgrade, they're specially calibrated for shorter distances and feature coated optics for bright, clear images. Ideal for .22 rifles, fits 3/8" receivers, calibrated for rimfire ranges, magenta-coated optics.