Home / Accessory-Rings/Mounts/Bases / CZ-USA RINGS CZ 527 30MM ALUMINUM View cart “Ruger RUGER-57 OAP DOCTER/MEOPTA/EOT” has been added to your cart. CZ-USA RINGS CZ 527 30MM ALUMINUM$3049 Out of stock SKU: 40089 Category: Accessory-Rings/Mounts/Bases Product ID: 28238 Description Description 0.550″ Base Height Related products Sale! Trijicon QLOC BOLTACTION MNT 34MM 1.125 $35600 $27211 Daniel Defense MOUNT ROCK & LOCK 1″ BLACK $17300 Sale! Burris Optics AR-PEPR MOUNT 34MM W/PICATINNY $14999 $13439 Weatherby MOUNT/RING VANGUARD 1″ LOW BL $6000