CZ 75 Compact 9mmDescription At 5 tall with a barrel length of just under 4, the Compact model shaves a little more than 3 4 off the length and about 1 2 off the height of the full size CZ 75. Its reduced size allows it to readily disappear under regular clothing. The CZ 75 DA SA action with a manual safety lever provides the user with two options for carry: hammer back with the safety on for single action operation or manually decocked for a double action first shot