Thanx guys. But am i worrying for nothing . If i am why do most preach for titer patterens. Is 100 IN 10" the norm ?
I'm no expert, but I will share what I have learned.
The minimum number of pellets to kill a turkey is 80 in a 10" circle at 40 yards. The reasoning is, alot can happen when you pull the trigger. The turkey can flinch, move, drop his head, see you etc., etc.
So you want that nice, even pattern to cover any area he might stick his neck or head in.
Now the tricky part. If you want to shoot lead, your numbers are gonna be a little lower at 40, but if you stick with a proven shotshell like the winchester supreme #6, you should still get a pretty decent number at 40, and be well above your 80 pellet count.
Now for your choke question.
If you want to shoot #5, you will need a more open choke like a .665 or a .670. The rem 870's traditionally seem to like Jellyhead chokes, and if you are going to use #6 shot, I would recommend a .660 JH. The JH's are reasonably priced chokes.
I would reccomend you head over to www.allaboutshooting.com
, and print off Clark's deep cleaning process. It works, and will really help alot.
I can't take credit for any of this. The fine folks over at www.oldgobbler.com
pointed me in this direction, and if you check out their website, you will find alot of info in the turkey gun section!
Best of luck to you!