Official Cool Picture - Video Thread.

[Texasgordo]

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[FireInTheWire]

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Now that! is just awesome...

 

[Texasgordo]

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[Texasgordo]

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[Texasgordo]

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[Texasgordo]

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[BRD@66]

one hand grenade would take out the whole squad.

 

[Dad_Roman]

Yellow blazing to see a friend....

 

[Charlie]

A smile, at last!

 

[orbitup]

PZAM captive piston cartridge cross section shown at rest and firing.

 

[orbitup]

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[orbitup]

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[orbitup]

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[orbitup]

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[Big Green]

Yep, that's a C-130 on an aircraft carrier, no photoshop involved here. They did 29 touch and go's and 21 unassisted landings and take offs.

 

[DubiousDan]

PZAM captive piston cartridge cross section shown at rest and firing.

View attachment 143775

Unlike most firearm cartridges, the gasses from the burning propellant do not push directly on the bullet but on an intermediary piston that forces the bullet out of the barrel. When this piston reaches the end of its travel, it remains stuck in the cartridge mouth (hence the "captive piston") and effectively seals it off, preventing the gas from leaving the cartridge. As a result, there is only mechanical noise from the device and it achieves this result without the length typical of a conventional firearm with a suppressor.

wikipedia article on the S4M derringer

The casings of the round contained a piston-like plunger between the bullet and the powder that would move forward inside the casing when fired. The piston would push the round down the barrel and plug the end of the casing, completely sealing off any explosive gases in the casing. This, combined with the inherently low-velocity round resulted in a truly silent pistol. The nature of the gun and ammunition led to it being wildly inaccurate outside of point-blank range. To add further confusion and throw possible suspicion away from the assassin, the barrel rifling was designed to affect the bullet in such a way that ballistics experts would not only conclude that the round was fired from an AK-47, but that the round was fired from several hundred feet away.

 

[orbitup]

Here is another one that uses a captive piston.

OTs-38 Stechkin silent revolver

https://en.wikipedia.org/wiki/OTs-38_Stechkin_silent_revolver

 

[Lunyfringe]

and of course, the ATF considers EACH cartridge a suppressor.. requiring a $200 stamp.

 

[Dad_Roman]

A smile, at last!

Lol...he dont smile much fo da camera

Lot of dangerous areas on the trail, be it narrows or loose scree or just a difficult elevation climb. This is how Murph gets it done!!!

 

[mwrookie]

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From the front porch last year

Dude you are killing me with these photos! Absolutely amazing!