Ballistics8 min read
5.56 vs .223: what actually matters
They are the same size, they chamber in the same rifle, and one of the two substitutions is a bad idea. The reason is not the cartridge: it is the chamber it lands in.
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Guides
The TAS guides
What a round actually costs, what will run in your rifle, and what is worth keeping on a shelf. No filler, no fabricated experts: if we cannot back it up with the catalogue or with a manufacturer’s own data, it does not go up.
From the blog
The most recent 6 pieces.
- Ballistics5.56 vs .223: what actually mattersAug 4, 2026 · 8 min
- Buying guidesPrice per round: how to actually compare ammoJul 21, 2026 · 5 min
- Caliber guides9mm ammo buying guideJul 7, 2026 · 6 min
- Buying guidesBulk ammo: when buying a case makes senseJun 23, 2026 · 5 min
- Range craftHow much ammunition should you keep?Jun 9, 2026 · 6 min
- Caliber guides.22 LR buying guide: bricks and what cyclesMay 26, 2026 · 6 min
Ballistics6 min read
Understanding grain weight
Grain is the first number on every ammunition box and the least explained. It is bullet weight, it is not powder, and past a certain point your barrel decides for you.
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