Re: Shot buffer in centerfire cartridges
Back in the "old days" - say up to 1965 or so, some advocated using a filler of some sort on top of light loads of powder to keep the powder located near the flash hole. The materials included kapok fiber, corn meal, cream of wheat, undoubtedly others I've forgotten. For everyone who advocated this, there was another speaking of residues or unexpected pressure excursions, etc. I honestly do not know which camp is correct - and likely both are under different circumstances. I *do* know, however, that choosing a powder appropriate to the cartridge volume / projectile weight makes it a moot issue. The problem arises when people attempt to create loads greatly outside the norm for a given cartridge, e.g. loading a .300 Mag to .30 Rem power levels.