Let's talk about reloading 12 ga

[gottarollwithit]

Easy enough. Shotshell reloading is more specific - as in you follow the recipe exactly, opposed to metallic where you can have equivalent substitutes, decreased charges, etc.

I think i'm gonna either have to read one of those books or have some teach me how to safely do this. I can see that i'm headed for disaster on this current path.

Thanks!

[pdq_wizzard]

Easy enough. Shotshell reloading is more specific - as in you follow the recipe exactly, opposed to metallic where you can have equivalent substitutes, decreased charges, etc.

I think i'm gonna either have to read one of those books or have some teach me how to safely do this. I can see that i'm headed for disaster on this current path.

Thanks!

people at shotgunworld rec the Lyman 5th, even for people that have been reloading for years.

[mjsweims]

Are you sure of your shot size. If it is slightly smaller than bb it might be 1 or 2 shot. #9 shot is very small. BB is .190" diameter and #9 is .080" diameter. Or are trying to get load data for 9 - BB pellets in a single hull. Load data will be very different.
As far as what charge you should use look at the charts for your powder and hull. You will also find primers and wads specified. In my opinion (having been reloading shotgun for well over 10 years) the primer is not so important, so if yours isn't listed don't sweat it, but if they have yours listed use the data by all means. The hull/powder/wad/shot load combination is critical so that you get proper crimps. You will notice there are various powder weights for a given hull/wad combination which will give different muzzle velocities. Start with a middle powder charge for your combination and get your reloader adjusted properly for the crimps. You will not get exact powder weights, but they will be close because the bushings only drop a fixed volume of powder. Don't just reduce by 10% - you may not get a properly filled hull.
As far as chambering and ejecting issues adjust your resizing collets. MEC has a section for this in the manual.

[pdq_wizzard]

Are you sure of your shot size. If it is slightly smaller than bb it might be 1 or 2 shot. #9 shot is very small. BB is .190" diameter and #9 is .080" diameter. Or are trying to get load data for 9 - BB pellets in a single hull. Load data will be very different.
As far as what charge you should use look at the charts for your powder and hull. You will also find primers and wads specified. In my opinion (having been reloading shotgun for well over 10 years) the primer is not so important, so if yours isn't listed don't sweat it, but if they have yours listed use the data by all means. The hull/powder/wad/shot load combination is critical so that you get proper crimps. You will notice there are various powder weights for a given hull/wad combination which will give different muzzle velocities. Start with a middle powder charge for your combination and get your reloader adjusted properly for the crimps. You will not get exact powder weights, but they will be close because the bushings only drop a fixed volume of powder. Don't just reduce by 10% - you may not get a properly filled hull.
As far as chambering and ejecting issues adjust your resizing collets. MEC has a section for this in the manual.

(having been reloading shotgun for well over 10 years) the primer is not so important, so if yours isn't listed don't sweat it

Please do not take this the wrong way but you are off base with this and could get someone killed! also you have to match the wads you want to use to the type of hull you plan on using

please read page 45 and 46 of the Lyman 5th edition this part

"Note that with the specific popular target load used in the Lyman test, the Fed 209A primer produces pressure at 138% of that produced bu the CCI 209 primer"

so with that had the CCI load been near max the Federal load could have had pressure exceeding 15,800 PSI (this is with a 2 3/4" 1 1/8th load) that is way over. hell a 3 1/2" 2 1/4oz load only goes up to 13,700.

To the OP please get a good book (the Lyman 5th is a good book) and read it twice. you can't just wing reloading shotshells, if you do you will get hurt someday.

just my .02 you can take it or leave it.