Here are 3 different 20 guage slug loads fired from my NEF SB1 shotgun. The shotgun is 20 guage with 25" barrel fixed modified choke. Groups of three were fired from 30 yards in a kneeling position. Only sighted down the bore with bead front sight. ( shotgun was $45 at pawn shop
) Moral of the story- Brenneke slugs ROCK!