Friday, November 26, 2010

Bullets and Sense

Almost every action movie, animation, TV show or anything with guns in it has something wrong with it. I'm not talking about the fact that only heroes can aim, and I'm not talking about the fact that bullets don't have that much momentum. No, we have the much simpler to fix problem that automatic firearms generally don't have that many bullets!

Take, for example, the weapon pictured above. That is an FN P90. This weapon is pretty standard for military and counter terrorist forces throughout the world today, and is very popular in movies, due in large part to it's futuristic look and wide availablity. But there is a problem with how they are used, let me show you:

Carter's P90

Watch the video, and pay attention to the number of seconds she is firing on full automatic for. By my count it's about 6 seconds. But with that firearm she only has a 50 round clip, at 900 rounds per minute, the clip would be empty in 3.3 seconds! This is the problem that I'm talking about. Even in movies where they remember to reload at all, they forget that most assault rifles and sub machine guns will run out of ammunition in less than 5 seconds with full automatic fire. Just casually glancing through wikipedia, I couldn't find a single assault rifle or SMG with more than 10 seconds of continuous fire on full auto.

So remember, if your protagonists or antagonists use their weapons at full auto, they'll probably need to reload every 3-5 seconds.


  1. I totally agree. Not to mention that these character discharge firearms on a whim and never seem to be bothered by the concussive noise.

    If I were to ever make a movie, I would make realistic so it would be believable. I mean, isn't that the point? To create a world in a time where the audience could actually believe in it, might actually wonder for a moment if it doesn't actually exist?

    No infinite bullets, no explosive fender benders, no 20-foot leaps from rooftop to rooftop after taking a bullet to the abdomen, and when someone discharges a fire arm, it's loud.

    Anyways, it blows my mine. Why doesn't someone do something different and actually make a movie about a world that doesn't bend physics to fit the story line.

    Anyways, thanks for you blog, it was a fun read.

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