extension tubes on imported shotguns ok?

[mygun]

Is it legal to add extension tubes on imported shotguns as long as the total round capacity is at or under 8?
Or are there specific restrictions?

I'm specifically looking to buy a new, rifle stock, semi-auto, import model.

thanks!

[CSACANNONEER]

You will need to play the game. Here's one site that explains and provides a few links to the actual law. After reading them, come back and ask any other questions you may have.

[Quiet]

Increasing the ammo capacity of an imported shotgun to greater than 5 rounds, requires Fed 922r parts compliance.