I haven't hunted with one but have held it, shouldered it
and had it taken apart in front of me by Krieghoff.

Great design mechanically but personally, I probably
would never use one.

Part of the reason is I disconnect the auto safety catches on my
DG DR's and generally don't use them So getting used to "another"
system is not for me.

This is MHO only.

Price sounds OK though for a used 470. It could be a cheap entry into
a large bore DG DR.

Considering the number of posts recently about getting into a 1st double
under US$10,000, if you don't want it their may be others here who do.

Good luck,

500 Nitro