High Capacity Shotgun Mags

[Infomet]

Back in the roaring '80s I saw Mossbergs with drum mags in pawnshops in Houston. Then a few years later I was told they were on the destructive device list and therefor not practical to mess with. Since finding this site I have seen a couple of threads indicating the round mag and a 10 round box are available and not DD listed. Would someone fill in the blanks for me please? My interest is pumps, not semi or full auto.

I saw the Saiga video. Impressive!
Are there indeed mags for the Mossberg? Round and/or box?

I have a Browning BPS and like it a lot.
I assume no aftermarket mags are available for it?

Thanks, Wilson

PS: I have posted some stuff on the Walther .22 thread, if anyone is still interested in that subject. I'm looking for parts.

 

[chris in va]

Knoxx Industries had a Sidewinder drum for the 500 and 870, not sure what happened to it however. Some mention of cancellation due to quality control issues from the manufacturer.