CZ 75 P-01 SA/DA no yes yes yes * * Loaded chamber indicator supplied on special order only. Comments: SA (Single Action) The trigger mechanism operates in a single action mode of fire. ... The safety in this position blocks the trigger mechanism and slide, thus preventing the pulling of the trigger and operating the slide. The safety can be. CZ-75 SP01 Phantom's individual components separated from each other. But, of course, there is a downside to the CZ-75 SP-01 Phantom. The trigger pull had a little more weight than I was accustomed to, and this slightly affected my centering of the target each time for the first shot. Dec 11, 2010 · Safety: Manual Safety, Trigger safety notch.