Hacker News new | ask | show | jobs
by novembermike 2639 days ago
The rifling has generally gotten more extreme. IIRC Stoner wanted 1:14 and the army went to 1:12, but the modern rifles are moving to a 1:7 twist rate. The ammo is different, it's heavier and does better at low velocity so the twist rate doesn't matter much for lethality.