turkey gun/choke tube

So turkey season is coming up here in florida and I bought a browning invector plus a few months back and I shot it for the first time with turkey shot the other day and can't get it to pattern real tight. I have a browning xfull choke and a h.s. Undertaker choke. The h.s held a tighter patten but still not the best. I've shot multiple brands of shells and nothing changes. Any recommendations on choke tubes or shells? Or even maybe a turkey gun set up?

 

I have tried lots of choke/shell combos and I can tell you what works best in my Gold Hunter 3 1/2", Primos Jelly Head .670 choke and Nitro Company Ammo 3.5" 2 7/16oz. #2x5x7 Hevi-shot, the shell number is H517T. Its not a cheap setup, the shells cost me $7.99/ea but I'll give that for a turkey anyday! I cant remember the number of pellets I got in a 10" circle at 30 yards but it was unreal!

 

I'm pretty sure I'm running a Jellyhead .670 as well, (IIRC). This on a NWTF Winchester 1300 Speed Pump with a TrueGlo holographic sight. I tried several brands/sizes of shot/shells, and got lucky, what patterns the best for me is Remingtons Nitro Express turkey loads in #5 shot. $10.00-$12.00 bucks a box of ten at Wally World. Last couple of years I was able to pick them up (after season) for around five a box.

 

Thanks. I already picked up a Indian Creek choke from basspro. It was expensive but well worth it. Now any shell I put in there patterns great!

 

I like Carlson chokes with Winchester Supreme Elite extended range #5 shot