#11 cap originally but there are conversions for them to use larger 209 shotshell primers to ignit pellets better.
Regular drywall primer.
Primer, type depends on the type of wood.
Etch primer
NO ! - woodstain does not use a primer.
Use Kilz Original, it's the best primer.
Almost any kind, including epoxy enamel.
Start with a primer, Perma Seal is great. then I would use oil based paint.
you only use primer over bare wood or stains. If you have really tough stains you might need to use shellac based primer, otherwise any stain covering primer.
No you can not use primer as your paint because it has no sealing properites in it.
You should always use primer first.
If the surface is metal you can. Use a good primer too.
Eye primer is is a type of cosmetic used to prime of coat the eyelid before eyeshadow is applied. The way to use eye primer is to apply a dab using a dry, clean finger or a sponge and blend in from the lash line to the brow line.