Maybe a HighRoad Firearms Myth Busters is in order.

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Actually there is a hydrostatic shock wave with handgun bullets but it varies in size and magnitude.

I think the argument is that it may be too small to be of any consequence. A pebble in a stream will send a hydrostaic shockwave but that shockwave is pretty darn weak. I am sure someone can measure the pressure of the pebble shockwave but it will not be much.

When people say there is no hydrostatic shock that is technically incorrect. At what point it becomes a meaningful factor is a whole different thing.
 
"how do you take the cylinder out of a revolver with a star?" Through the art of Ninjitsu, of course!

As for the Garand ping... don't know that it would be hearing the ping so much as not hearing any more shots from that direction. They assume he's dead or out of ammo, and pop up to make sure.

As for hydrostatic shock - what about the 'if they fire a .50 round near you, the shockwave'll rip off your arm'?
 
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Kung Fu Slide Removal - Done to Mel's 92 in one of the Lethal Weapon movies. The BG pushed the button, flipped the lever and pulled the slide off, IIRC

It is very easy to do with an M9/Beretta 92FS type pistol. To release the slide you flick one lever down and pull the slide forward.

This is how Jet Li got the slide off the Beretta in LW 4.
http://www.pollardfamily.net/lw4/lw4.htm
 
Teflon-Coated Bullets

Movies as authority again:

Everybody knows, since Mel Gibson's Lethal Weapon III that certain plastics used to reduce friction and fouling turn bullets into armor-piercing cop-killer rounds.
 
Gun myth #3337: If someone is pointing an automatic handgun at your chest all you have to do can grab the top and pull off the slide.

Try that with a 1911 :evil: .

Bugs Bunny sticking his finger in a gun barrel is good but Yosimite Sam taught me I could levitate by shooting two six guns at the ground.

My favorite myth is the old "The U.S Army adopted the 5.56 round to wound enemy soldiers instead of killing them. The idea being that it would slow down enemy soldiers by having to tend to their wounded :rolleyes: .
 
Someone told me once that you have to hold an elephant gun a foot from your shoulder or it would remove your arm.

Ok, how many or you are missing an arm due to shooting an elephant gun?

Can I call this one busted?
 
Can a bible in your pocket really stop a handgun fired bullet? This is an old cowboy myth. Some precher was shot at with a Cap'n Ball gun but the ball was stopped by the Gospel.

Can a backflip or forward roll make the other guy miss? What if he is firing a lot of rounds? (Face Off but there are a lot of other examples)

Can you run faster than the other guy can bring his muzzle to bear so that the rounds impact just behind you as you run? (too many movies and TV shows to list)


If you are about to be strafed by a Zero can you survive by diving between the bullet impacts. (That one is from Baa Baa Black Sheep way back when.)

If you are sliding down a bannister while chewing a toothpick and firing two guns what are the odds you will hit every mobster in the room? (I'm not giving you the reference on this one)

Just how many small arm rounds does it really take to cause a house to collapse? (no help for this one either)

Just where can I get my DA revolver cutomized so that when I spin the cylinder it makes that cool SA revolver clickclickclickclickclickclickclickclickclickclickclickclick sound? (several movies, though i cannot remeber a title just off hand)
 
One myth that might be in need of busting is that muzzle brakes derive effectiveness from the "back and/or upward" direction of the ports, giving a "jet" effect.

I say "might" because I'm not aware of it being busted outside the context of a BMG50. FCSA did an extensive run of tests on a spring-damped, gizmo with a bunch of different brakes. One of the most effective had ports at 90 degrees and forward.

Short version is that a muzzle brake works by something along the lines of transfer of momentum - a portion of the ejecta from the round is vented into the brake housing and transfers inertia to the brake housing - the vents do not contribute materially to the effect. Something like that, anyway - I'm probably not explaining it right.

Anyhow, the "jet effect" myth is well busted in .50BMG. What that means for pistol porting and shotgun porting is something of a mystery to me. My guess is that, with respect to shotguns, the effect is mostly panacea. However my partner in crime, with whom I was planning to construct an FCSA type rig has left town - perhaps box of truth will take up the matter?
 
So many gun myth's. My favorite

"Guns kill people"

Second favorite

"Sarah Brady has a point"

Beyond that there are pleanty of physics issues, I could talk about.
 
How about the myth that 7.62 X 39 rounds are illeagal to hunt with, due to inferior ballistics. I had the person tell me this with a straight face and swearing that it was a federal ban.
Some of the weapons that use the round may be illeagal due to magazine capacities, and or other restrictions in various states, but the feds don't make the decision regarding local game laws.
 
I remember this guy at the range who said the 7.62x39mm is not a 100 yard gun and that the bullet starts tumbling before 100 yards. He was a nice guy though, so I didn't say anything.
 
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