Help me to get started right.

[BHunter32]

Ok, I have my new TC prohunter endeavor and have chosen to top it off with a nikon BDC 3x9x40 scope. Tell me what I need to do before I work up a load and what products are best to use. Also, give me some suggestions on powders, whether loose or pellets and what sabot, and 209 primer would give me the best accuracy out of my gun to save me having to spend alot of money expermenting. I would really appreciate your help and input. Thanks.

[Semisane]

Well, if you lived in my neighborhood BHunter, I could take you to the range and bring along my bag of assorted bullets and sabots plus three different powders to play around with.

That's not possible, but I can tell you the first thing I would try. Pyrodex RS, 250 grain Speer Deep Curls, Harvester short black sabots, and CCI 209s. That combination is likely to shoot well and makes a dandy hunting load.

[cayugad]

The first thing I do with any rifle is read the manual. Read it until you understand it and the rifle. There is a lot of information in the manual that relates to cleaning, care, powders, projectiles, etc..

After that I clean the rifle. Make sure it is spotless.

Now get some Pyrodex Loose RS powder. I would also get some pre packaged bullets for starters. Because of your rifle I would get some 250 grain Shockwaves, and perhaps some 260 grain "other brand" bullets.

A good primer will depend on what kind of powder you end up shooting. For Pyrodex and primer will do. I personally shoot Winchester W209 primers.

Go to the range with the bullets.. load 100 grains of loose powder and shoot a three shot group. Be sure to swab the barrel between shots. Then start working the powder up.. about 10 grains at a time. A point will come where the groups really open up. Keep track of the groups you shoot and the powder used. Semisane does an excellent job in his posts of showing how he tests powder charges.. Read some of his posts.

When you find the right powder charge and projectile.. make a load. Something you can hunt with. After that start to try different powders, and different bullets. You might find something you really like.

[50calty]

If you have the money I would only get Blackhorn 209 powder and never look back. But whatever powder you use go for loose that will give you better accuracy. Primers doesn't matter too much. CCI or Winchester would work. As for bullets and sabots I would try the dual package ones first. Find the ones you like and then start buying the sabots and bullets separate. Its way cheaper that way. I use the Harvester Crushed Rib Sabots with Hornady 300 grain .452 dia XTP Mags, but I'm trying also the Speer .452 Deep Curl Bullets.

[lemoyne]

Judging by my Endeavor, the Winchester primer will fit the best, they all will work Pyrodex or Blackhorn are often the best powders if you get 777 and live in the mountains you might be ok most of us at the more normal elevations spent more time getting the crudring out than shooting if you try it don't try to load the second shot until the barrel is clean all the way down. If you try Blackhorn don't bother with cleaning until you are done shooting the shoot better with blackhorn if you do not clean. With Pyrodex I normally clean every 4th shot. Different system work a little different with different powder and primers, with the Endeavor remember to check the manual you can adjust the head space with out much trouble.
If you want to adjust the trigger pull check this sight out and if you are going to work on it download the free instruction video.
http://www.bellmtcs.com/store/index.php?cid=16
The list of bullets that shoot well in mine is quit long I will list the best for you.
Lehigh ,especially the 200gr 50/40 but all Lehigh shot well in mine.
The Shock Waves especially the 200gr -50/40, if you chose to use the 250 gr Shock Wave it is best to use the Blue tip bonded bullet for deer or larger animal for game the size of elk and bigger or tougher I recommend the 275 gr Lehigh.
For an extremely efficient deer bullet with a low price the 250 gr Deep Curl is very good for a low priced good bullet for heavy game the 300gr Deep Curl is very good.
Sabot if they fit your barrel the harvester short with many of the bullets mentioned especially if you live in the south for the 50/40 I like the MMP for the Deep Curl the Harvester 300+ works best for me.
A suggestion get some sabots from local muzzle loader shooters just a few of each and take the BP out and push them through the gun if they are tight but you can push the through with both hand that's about right if the push through easy or it feels like you need to pound on the that's to tight you will get so you can tell which petal thickness shoot good with out having to go to the range and shoot them.

[Grouse45]

Money is not an issue since you bought a T/C Endeavor.

I would clean the barrel and run 100 strokes of JB'S bore paste to smooth the bore. Then i would buy BH209 powder. Then i would buy Federal 209A or CCI209M primers. Then buy harvester short black sabots. Then pick a good .452 50caliber bullet. I would only use Lehigh bullets now known as Knight Bloodline bullets. http://www.knightrifles.com/bloodline-bullets/

If you dont like those i would try the Parker Ballistic Extremes in 275grn or the Barnes MZ Expanders in 250grn or even 300grn if your hunting Elk or Moose.

But really before all this you need a box full of supplies to clean and maintain your Muzzleloader.