Burris Burris 1" CZ 527 Rings. Medium, 420140. PreviousBurris Medium Extension Rear Only. New Old Stock. 420061. NextBurris 3/4" .22 Rings. New in Box, 420070. Gloss Finish. Burris 1" CZ 527 Rings. Medium, 420140. Burris 1" CZ 527 Rings. Medium, 420140. $60.00 Made in the USA. Add To Cart Facebook0 Twitter