In closing, we once again want to thank Remington ammunition for affording us the opportunity to tour their factory and see the ins-and-outs of how ammunition — like shotgun shells — are made.
No clue what happened to them.
While different payloads like hunting slugs have a slightly different assembly process, the overlying principles remain the same.
Shotguns were not very popular until they became breech-loading and shotshells were available to use in them.
One that isn't on the checklist is this.
The Peters brand shotshells, with their distinctive blue color, continued to be sold separately until the late 1960s.
These stamps are shown below.
Due to the need to have precise firing times to allow firing through a propeller, only high quality ammunition giving consistent ignition times could be used.