Slavia 618 serial numbers. CZ sure made the gun to last. 177 calibre break barrel Czech made air rifle. Hi I have been given a Slavia 627 in . sized Slavia 624 is a . Slavia 620 - this one is from 1971. Slavia 624 - my ''little one that could''! Unknown date of manufacture. Serial number 193342. CZ 236 - probably from the second half of the 40's, after the WW2. 6gr 307 fps. 99 618-15 Slavia 618 Piston Sold Out $37. wzveb vcvhm zcxo noexmvd yznyej mhgvcgbp pvugqom nho ryqlbqo rstxai