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4/28/2018 6:00:25 AM EDT
13mm Gyrojets from the late 60-70's.  Two different versions with a "Wad Cuter" on the right.  
That's a solid piece of nitro cellulose gunpowder with a nitrated piece of string/ paper (orange in color) to help ignition from the primer.
Helical jet ports helps to spin projectile for stabilization because the pistol lacks rifling (lands and ends).
Enjoy  
wolfganggross

4/28/2018 6:07:31 AM EDT
[#1]
Nice!  
I am not frozen by political correctness. Beware.
4/28/2018 6:59:28 AM EDT
[#2]
Cool, thanks.

Gyrojets are awesome.  Not very practical, but the idea was imaginative.
Member Ranstad's Militia
You ever notice that no one says "don't judge me" when they've done something positive? - gearjammer351
Do it. GD needs entertainment. Your misery will amuse us. - Cypselus
4/28/2018 2:00:42 PM EDT
[#3]
Somebody should try and make some modern rounds with a higher quality standard.

One nifty thing about the Gyrojet rounds is that they are inherantly quieter than standard centerfire rounds with more of a hiss-whoosh than bang! sound.

Perhaps using rifling method like the civil war "carkeet" artillery bolts instead of exhaust spin.

http://www.civilwarartillery.com/projectiles/rifled/FAOIIIa64.htm
4/29/2018 5:24:47 AM EDT
[Last Edit: bfoosh06][Edited] [#4]
I gotta say... I get giddy when I see Wolfganggross posts.

Very interesting !

BTW... 13mm = 0.511811"
*Hold on to your AR-15s. Their magic must be very powerful, or they wouldn’t want them.*

JAFOM.... Just another fat old man.

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