Below are diagrams illustrating some of the terms described in the 'Terminology' section.
Primer types:
Muzzle-loading rifles and actions:
Clay pigeon shooting layouts:
Diagram showing headspace and various rimmed cartridges
Primer types :
Note the different position of the anvil and flash holes. Berdan primed cartridges are not easily reloadable, whereas Boxer primed cartridges are.
The priming composition is an integral part of the cartridge - and as such it is not practical to reload.
Muzzle-loading rifles and actions
This is an example of a forward-locking rifle. In a forward-locking rifle the locking lugs are at the front end of the bolt, locking into recesses in the action. There is additionally a third lug at the rear of the bolt.
Clay pigeon shooting layouts:
The two towers are 40 yards apart. Points 1 - 7 represent the shooting stations.
Points 1 - 5 represent the positions that the shooter stands at, 3 yards apart. The trap is 16 yards from the shooter.