The magazine wells on these older CZs are often a little bit smaller than
on the 75B and later models, making finding magazines problematic.
Magazines shown in this area have been found to fit in the majority of
Pre B models.
Fits most pre B frames that we tested it in. 16 rounds. Metal base. Original CZ components.
+10% extra power magazine spring for 18 round CZ SP-01 magazines.