Minimum: 1000 rounds per piece.
That’s a good convenient number, ensuring you’ll have enough for whatever earnest application you run into. Any time you go under that amount, it’s easy to just buy another case.
Reasonable: enough to burn out every barrel.
Each barrel has a finite lifespan. Considering prices will only go up, buy enough consumables now to satisfy that lifespan.
Each barrel has a finite lifespan.
Do barrels really "burn out", or does their accuracy just gradually degrade as the rifling wears away and the thoat erodes?