12g bird scare kaboom?

[SJulian10mm]

This is a 12g bird scare cartridge fired out of a R870, how does this happen?



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[JagerDog]

Gotta be more to the story.

[SoCalPI]

Is it one of these... (was your shotgun choked?)

Primetake’s 12G Birdscaring Cartridges have been specifically designed for airfield bird control and are used at airfields and airports throughout the United Kingdom as well as leading airports around the world. They can be fired through a signal pistol sleeved to 12G or an unchoked shotgun.

The cartridge fires a sub-calibre projectile with delays from 1.3 to 4.0 seconds to give varying ranges. A loud report or continuous screech is given at the designated range. Range distances vary from 40m to 90m dependent on angle of fire and weather conditions.

[SJulian10mm]

It detonated in the barrel, must have thrown the plug back at the shell


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[SJulian10mm]

Yes, I've worked at airports for the passed 10+ years, fired 1000s of these, about 1 out of 50 delay fails and detonates in the barrel.