While I think re-strike capability is of dubious value (you're better off just racking a fresh round in for the time you've spent), I tend to prefer a double-action hammer with a good, hard strike like that on a Beretta 92 or Sig 226, to make sure things work fine even with hard primers.
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16 Pistols, 5 Rifles, 1 Shotgun, no time to shoot them
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