A friend gave me a bag of what I think is .22 caliber nail gun blank ammo. Marked Super X, and it is crimped like the birdshot Winchester makes, or made. Maybe it's .22 short birdshot. Probably a dumb question, but is it safe to shoot in revolvers of the caliber (.22 LR). They fit fine in the chambers. Obviously just making noise with them, unless they are birdshot. I've never seen .22 short birdshot.
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