Just ordered a Savage model 220F (20 ga.) slug gun based on Randy wakeman article on these.From what he says in his article .7 groups at 100 yards,not bad for a shotgun sabot.I owned a Browning A-bolt shotgun a few years back that was a tack driver and sold it,still kicking myself in the rear for that LOL.I will post my range results when I get the savage dialed in.coobie