I am having some fun reloading for a .17 rem and I think at present I have got it going as well as I can.
I want to know if and what kit I would need to form my own brass from either 222 or 223 (I don't know wich) brass. The reason being is that the chmaber in the gun is far longer than the .17 factory brass and the throat diameter is much larger than the brass.
If I form my own I should be able to trim to a more suitable length and have a slightly thicker neck wall. This would suite my chamber better.
What equipment do I need. I have seen the Redding gear and it is about $60, but the RCBS stuff is $300... What is the difference?
Thanks

I think you can do it with 223 but it will form short. Take out your seating stem, try running a few pieces of 223 throught that to knock the neck down then a pass throught your Full length sizer with out the de capper in. should get you a pretty good idea.

Did you get that gun shooting, is this the one with the tight neck that you were in the fight with???

BP.
I'll give that a go.

With regard to the Nesika, it is shooting superbly , but still better fireforming than when shooting AI formed brass. Also found that it loves 70 grain Nosler Ballistic tips and prefers those to 68 Bergers.
Still playing, but getting somewhere..........at last.

Johnny foreigner--I'd like to suggest trying to use .204 Ruger brass to make your .17 Remington casings. Afterall, the .222 Remington Magnum is the parent case for both the .17 Remington AND the .204 Ruger.

I too have a .17 Remington with a more than generous ID neck diameter. I purchased a Redding .17 Rem Form Die #1 and a Redding .17 Rem trim die to help with the forming. The Redding .17 Rem Form Die #1 is a pricey one!!!!

The steps I use are:

1. Lube the outside of the casing, but not too much and then run the casing into the Redding .17 Remington Form Die #1.

2. My next step is to run the casing up into my .17 Remington trim die, but I DO NOT trim the casing while it is in the trim die. This die merely sizes the neck down a wee bit more than was done in Step #1.

3. I trim the casings with my Wilson case trimmer to somewhere between 1.810" to 1.815".

4. My last step is to run the casing up into my .17 Remington full length Forster die.

I guesstimate that the ID of my chamber neck is .202" and my fired brass measures .201". When I seat a bullet in the brass that I have formed out of Winchester .204 Ruger brass my OD of the loaded round is .198". That's not quite a tight neck, but very cozy. One caution from me: I HAVE NOT loaded up any of these casings and fired them yet.

There are several manufacturers of .204 Ruger brass. To name a few: Hornady, Remington, Winchester, Norma, Nosler and there are probably others as well. Some of the fellows who have tried the most expensive brass have reported it to be well under 1.840" in length. That would probably work better than the WW brass which has been measuring 1.840 to 1.8425" in the latest lots I have used.