Borderlands 4 — Weapons Builder / Guide
Everything you need to master the loot chase: manufacturers, Licensed Parts, new gear slots (Ordnance, Enhancements, Repkits), and interactive tools to plan your perfect Vault Hunter loadout.
Weapon Manufacturers
Hover or tap each card to reveal signature traits & sample behavior
Tip: combine manufacturer traits in the Licensed Parts builder (below) to test wild combinations before you hunt for that perfect drop.
Licensed Parts Weapon Builder
Mix core behavior parts from different manufacturers. Note: in-game these combinations are RNG, use this builder to prototype ideas.
Prototype Simulator
Prototype: Rust Vandal
A mid-range semi-auto with potential to burst into something truly wild.
Core Parts
Licensed Add-ons
Result
Behavior: Balanced semi-auto with no special traits selected.
Estimated Playstyle: Mid-range, flexible.
Sim accuracy: high (heuristic)
Ordnance & Repkits: Tactical Demos
See how Ordnance cooldowns and Repkit activations change combat tempo.
Ordnance
Shared grenades & heavy weapons slot — cooldown demo
Cooldown: 0s
Repkits
Utility items: heal, shield, temporary buff. Click to use.
No repkits used yet.
Loot Rarity Simulator
Spin the wheel and feel the thrill rarity distribution keyboard toggles included
— Ready —
Press Space or click Roll Loot to simulate a drop
Legendary drop rate set to 2%
Drop History
Boss Replay & Encounter Checklist
Re-fight bosses via Moxxi’s Big Encore Machine (in-game). Use this checklist to prepare your loadout and strategy.
- Pick the right manufacturer synergy — e.g., Maliwan for elemental-heavy boss phases.
- Load at least one Repkit for emergency recovery.
- Bring Ordnance with burst damage for stagger windows.
- Use licensed parts prototypes to anticipate wild behavior combos.
Sample Weapons Table
Use this as a quick reference — click headers to sort, filter by manufacturer or rarity.
This is placeholder data and will be updated when the game is launched with valid datasets.
Filter:
Showing 0 weapons
| Weapon | Manufacturer | Type | Rarity | Notes |
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