M1 Super 90

[BigPimpin]

I just picked up a Super 90 with a 24" barrel.  Does it take the same choke as a M3500?  I already have a Sumtoy for the M3500 - not sure what constriction it is though.   What constriction and shell works best for the 3" Super 90?

[SKFOOTER]

They are threaded for the same chokes.  And I'd recommend a .650-.655 constriction with Hevi 6's and Hevi 7's or MagBlends.