TAR-HUNT DSG Call it Extreme Makeover, Slug Edition. Known for its bolt-action slug guns, Tar-Hunt (570-784-6368; www.tar-hunt.com) now does a brisk business converting 870s into Designated Slug Guns. The Tar-Hunt people fit a block of steel into the receiver, then insert a rifled, muzzle-braked E.R. Shaw barrel. They tap the receiver and install Leu-pold bases. With Lightfield Hybreds, I shot several good 50-yard groups and put five shots into 2 inches at 75 yards, tight enough to seriously endanger any disposable beverage cup in the woods.