178Db 12ga bang mini shells

[Yarome]

What exactly is in those?

I don't recall exactly where I picked them up, but doing some organizing today I ran across a bunch. Just hi-brass mini shells by appearance.

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[TTSX]

12 Gauge 1 1/2″ Mini Grizzly Bomb Flash Bang Ammunition - Gum Gully Provision

12 Gauge 1 1/2" Mini Flash Bang Ammunition produces a 170 Decible Report and a Blinding White Flash. This is not a standard blank. Great for use in our perimeter alarms. Sold in 5 Round Packs. Ammo purchasers are responsible for use and compliance with all federal, state and local laws. Free...

gumgully.com

This seller suggests their use is for perimeter alarm booby traps? I imagine it's just a very large powder charge with not much else...

 

[TTSX]

12 Gauge Flash Thunder Grenade Ammo - 3 Rounds - G12-037

This one says it's used like a flashbang by "elite units" out of their shotguns... so again just assuming it's tons of powder otherwise there would have to be a projectile coming out of 'em and neither theoretical use seems to be geared toward putting holes in people, just loud noise

 

[Yarome]

This one says it's used like a flashbang by "elite units" out of their shotguns... so again just assuming it's tons of powder otherwise there would have to be a projectile coming out of 'em and neither theoretical use seems to be geared toward putting holes in people, just loud noise

Yeah. These are flashbangs I believe, but it seems like if it was just straight powder the report wouldn't be very loud without gas compression. It just made me wonder what they might use in addition to increase the sound and produce the flash.

Many standard shells only do about 120 decibels.

I guess I could cut one open, but IIRC they weren't cheap and I don't know that I would be able to identify whatever else there might be besides powder. I just figured someone around here might be familiar with their contents.

Edit: I tried to read a little and ammonium nitrate came up, but not sure if that's what they use in the shot shell variety.

 

[ron]

We use to get 12 gauge "Shell crackers" from the Washington game department for scaring the Deer out
of the orchards. Sure was allot of fun when I was a kid. They also gave us real M-80 fire crackers
and fuse rope.