Lockdown (2007) was a professional wrestling pay-per-view (PPV) event produced by Total Nonstop Action Wrestling, which took place on April 15, 2007 at the Family Arena in Saint Charles, Missouri. This was the second monthly pay-per-view, after Bound for Glory (2006), to be held outside Orlando, Florida. It was the third annual event under the Lockdown chronology. Eight professional wrestling matches were featured on the event's card. In the tradition of Lockdown events, every match took place inside a steel structure with six sides, known as Six Sides of Steel. It was the final TNA Wrestling pay-per-view event to officially feature National Wrestling Alliance championships (although the physical belts were used at the following Sacrifice event, the titles had been vacated by the NWA in the morning of the day of the event).

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