You're trying and it won't work...or...you can't find an answer online? As far as I know, it should be compatible but there are Chinese-made, 870 clones out there (780?) that never did accept 870 barrels. As far as I know, shouldn't be a problem with a Grizzly..but I've never tried. I mean... I have a grizzly and a few 870 barrels around, just never had to.![]()



























