How many rounds do you carry on you every day? That's how many rounds your pistol needs to shoot with no malfunctions every single time. The rest is warm & fuzzy margin...some require a 2,500 round warm & fuzzy, some require a 250 round warm & fuzzy. But in the entirety of humanity, I have found NO record of anyone ever shooting more than 100 rounds from a single handgun in a firefight.
