Guys,
I'm testing some loads out of 2 new chokes for my 11-87 SPS-T (3").
Can I shoot Rem Duplex 4x6 loads out of a Jellyhead .660 constriction? Or is it too tight for the 4's. I'll also be testing out a PG .670 with HEVI 13 3-2-6, Rem HD 6's, Rem Duplex loads.