While the overall length of your new casing will be a bit short,yes you can neck up the 30-30 Win case to be a Winchester 32 special case,and it will work fine.
Bullets can be made from many materials including wood, steel brass, copper, lead, tungsten, bronze, plastic, etc.
1949... Winchester all brass shells were manufactured from 1879-1949 See more on my blog ozarksdetector.wordpress.com
Most are made from one or more metals, including lead, lead covered in a brass alloy, copper, etc. A few bullets are made of a hardened steel with a brass covering, and a few from plastic.
most are accept for tribal Indians who did not have brass in great quantities
As long as the case is not made of Aluminum it can be reloaded.
The same thing 9mm bullets are made of, and 7.62x39 bullets, and... well, bullets in general. The case can either be brass or steel. The projectile will primarily be lead. It may have some other type of metal inserted into it, and may or may not be jacketed with copper.
Most are made from one or more metals, including lead, lead covered in a brass alloy, copper, etc. A few bullets are made of a hardened steel with a brass covering, and a few from plastic.
Pretenders : Brass in pocket
BORE SOLUTION, BRASS BRUSHES, PATCHES AND LOTS OF Q TIPS
Try Buffaloarms.com - they have the brass and may have loaded ammo. The only other place I've found wanted $9.75 for a single round. I may be getting one, but I cast my own bullets. If you want to do this go to Castboolits.gunloads.com and look around. There is a plethora of information, almost all of it reliable.
one 38 special brass casing WITH spent primer weighs about 68 grains.
They never did. Winchester makes a paper shell and they all still make brass shells.