Every open rolls about 2–3 stacks. Every drop rolls on its own.
Every drop here against other crates
Scrap–none
Drops108th of 14 underwater
Stacks2–3per open
Sets–none
Best odds
1 in 1.7Pistol Bullet · 57.8%
Rarest
1 in 15Explosive 5.56 Rifle Ammo
Spawn together
NoneEvery drop rolls alone
Sample open
2 stacksBest: HV Pistol Ammo
DROPS 10 items · tap a row for where else it drops
10 drops
Amount
Pistol BulletAmmo · ×15Ammo×1557.8%1 in 1.7
12 Gauge BuckshotAmmo · ×6Ammo×645.2%1 in 2.2
5.56 Rifle AmmoAmmo · ×12Ammo×1229.8%1 in 3
12 Gauge Incendiary ShellAmmo · ×4–7Ammo×4–729.3%1 in 3
12 Gauge SlugAmmo · ×4Ammo×429.3%1 in 3
Incendiary Pistol BulletAmmo · ×10Ammo×1027.1%1 in 4
HV Pistol AmmoAmmo · ×10Ammo×1014.3%1 in 7
Incendiary 5.56 Rifle AmmoAmmo · ×8Ammo×812.7%1 in 8
Explosive 5.56 Rifle AmmoAmmo · ×8Ammo×86.52%1 in 15
HV 5.56 Rifle AmmoAmmo · ×10Ammo×106.52%1 in 15
SPAWN TOGETHER none in this container
Nothing in the Underwater Labs Ammo Crate spawns as a set. Every drop rolls on its own. for sets.
SAMPLE OPEN open it as often as you like
1 open
Underwater Labs Ammo Crate · loot2 stacks of 6 slots
×8×10
LuckWorse than 66% of opens
UnluckyAverageLucky
Best find · RareHV Pistol Ammo1 in 7 opens · 14.3%
Rolled with the game’s own loot tables, so every open is one the game could give you. Glow and luck use each item’s rarity rating from the game files, not how often it drops, so a 1 in 128 Concrete Barricade still counts as Common.