No direct experience Bruce. There are some you tube and other reviews here : youtube.com/watch?v=mQjaV8ZIi98 and here --- americanhunter.org/articles/2010/12/20/savage-220-f/

they are some of the most accurate rifled slug guns on the market full rifled barrel for use with Sabot type slugs. tough well made If you hunt Deer with shotguns and slugs this is a gun you should strongly consider. The only issue is they KICK like a mule

Hi Bruce, I haven't see too many issues with them. Here is a Video Review - youtube.com/watch?v=mQjaV8ZIi98 and here --- americanhunter.org/articles/2010/12/20/savage-220-f/

they are some of the most accurate rifled slug guns on the market full rifled barrel for use with Sabot type slugs. tough well made If you hunt Deer with shotguns and slugs this is a gun you should strongly consider.