Where can you get a butt plate for a 1929 Springfield Arms 410?

You can find a butt plate for a 1929 Springfield Arms .410 at various places, including online retailers such as eBay, GunBroker, or specialized gun parts websites like Numrich Gun Parts or Brownells. Additionally, local gun shops or gunsmiths may have the part or can help you source it. It's also worth checking with firearm forums or collector groups for leads on where to obtain specific parts.