what constriction for 870 .....advice

[chaz_Z7]

im shooting a pure gold right now 670 ...and im shooting 3/1/2 mag blends i just wonder if a 665 will help my pattern any,,,

[chaz_Z7]

im getting aroun 170 to 190 and i would love to get 220 +

[dpittman]

I tried multiple 665 chokes and my 870 SM likes the 670 PG. HS 6 and 7. Shoots 190-210 with #6 and 260-270 with #7. The SSX wasn't too bad either. I would like to try a 675 of some sort but they are hard to find unless custom.