Adding a stock to a shockwave question

If I were to want to add a stock to a shockwave, would that be an SBS or an AOW?

What determines the answer?

Thanks.

Quote:

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Originally Posted by MolonLabe416

If I were to want to add a stock to a shockwave, would that be an SBS or an AOW?

What determines the answer?

Thanks.

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Stock = SBS

I am not a lawyer, I did not stay in a Holiday Inn Express last night, and this is worth as much as you paid for it.

Adding a stock would make the shockwave a shoulder fired shotgun with a barrel under 18" in length and it would be an SBS. IMO what determines the answer is that a stock would make it shoulder fired.

https://www.atf.gov/file/58196/download