You cannot craft weapons in Advanced Warfare. You rely on RNG (Random Number Generation) via Supply Drops. However, the "Codex Better" strategy involves manipulating the odds.
The "Prestige Trick":
The "Better" Grind:
"Codex Better" is a themed fan guide focused on playing Call of Duty: Advanced Warfare more effectively and enjoying its story, combat systems, and customization. This compact guide covers playstyles, exo-suit tips, weapons/loadouts, mission strategies, collectibles, and ways to extend replay value. call of duty advanced warfarecodex better
The first step to getting better is honest self-reflection. The Combat Record section of the Codex provides a deeper look than the standard Leaderboards. You cannot craft weapons in Advanced Warfare