Drop chances

ItemStage 10Stage 50Stage 100Avg count
Shotgun AP Slug (Ammo)–66%60%10.84
HiPower 7.62mm Ammo–65%27%32.83
HiPower 9mm Ammo–65%26%39.25
HiPower .44 Magnum Ammo–41%26%15.11
Gunpowder7.9%8.0%8.0%2.59
Steel Arrowhead–7.9%7.9%1
Bullet Tip8.0%7.9%7.9%2.54
Buckshot8.0%7.8%8.0%2.56
Bullet Casing8.1%7.8%7.9%2.57
Iron Arrow (Ammo)–5.8%1.1%0.82
Iron Crossbow Bolt (Ammo)–3.1%0.98%0.44
Machete Parts2.2%2.9%2.9%0.05
Steel Spear Parts2.4%2.8%2.8%0.05
Baton Parts2.3%2.8%2.9%0.05
Rifle Parts2.3%2.8%2.7%0.05
Steel Club Parts2.4%2.7%2.7%0.05
Steel Sledgehammer Parts2.2%2.7%2.8%0.05
Rocket Launcher Parts2.1%2.7%2.9%0.05
Machine Gun Parts2.3%2.7%2.9%0.04
Bow / Crossbow Parts2.1%2.6%2.8%0.04
Handgun Parts2.2%2.6%2.8%0.04
Robotics Parts2.2%2.6%2.8%0.04
Shotgun Parts2.2%2.6%2.7%0.04
Steel Knuckles Parts2.1%2.6%3.0%0.05
modMeleeWeightedHead1.3%1.3%1.3%0.01
modMeleeGraveDigger1.3%1.3%1.3%0.01
modMeleeFortifyingGrip1.3%1.3%1.2%0.01
modMeleeBunkerBuster1.2%1.3%1.3%0.01
modMeleeStructuralBrace1.4%1.2%1.2%0.01
modMeleeSerratedBlade1.2%1.2%1.4%0.01
modMeleeClubBurningShaft1.2%1.2%1.3%0.01
modMeleeWoodSplitter1.2%1.2%1.3%0.01
modMeleeClubBarbedWire1.2%1.2%1.2%0.01
modGunMeleeRadRemover1.0%1.0%1.0%0.01
modMeleeDiamondTip0.91%0.97%0.89%0.01
modMeleeClubMetalSpikes0.92%0.93%0.93%0.01
modMeleeIronBreaker0.96%0.92%0.94%0.01
modMeleeClubMetalChain0.89%0.91%0.94%0.01
modGunScopeLarge0.98%0.91%0.95%0.01
modGunBowPolymerString0.95%0.90%0.98%0.01
modMeleeTemperedBlade0.86%0.88%0.81%0.01
modGunTriggerGroupAutomatic0.93%0.87%0.95%0.01
modMeleeErgonomicGrip0.94%0.84%0.84%0.01
Iron Sledgehammer–0.66%0.20%0.01
Iron Knuckles–0.62%0.18%0.01
Hunting Knife–0.56%0.14%0.01
Baseball Bat–0.54%0.14%0.01
Iron Spear–0.51%0.14%0.01
modGunMuzzleBrake0.42%0.48%0.46%0
modGunMagazineExtender0.46%0.48%0.48%0
modShotgunSawedOffBarrel0.46%0.47%0.46%0
modGunScopeSmall0.46%0.46%0.47%0
modGunDuckbill0.48%0.46%0.46%0
modGunTriggerGroupSemi0.42%0.46%0.51%0
modGunDrumMagazineExtender0.42%0.46%0.45%0
modGunChoke0.48%0.46%0.44%0
modGunFlashlight0.51%0.45%0.48%0
modGunForegrip0.47%0.44%0.46%0
Hunting Rifle–0.44%0.11%0
modGunBipod0.42%0.43%0.42%0
modGunMeleeTheHunter0.46%0.42%0.40%0
Pistol–0.42%0.13%0
Double Barrel Shotgun–0.41%0.08%0
KV-47 Machine Gun–0.39%0.12%0
Robotic Sledge–0.37%0.08%0
modGunScopeMedium0.34%0.35%0.37%0
modGunCrippleEm0.37%0.35%0.32%0
modGunReflexSight0.31%0.33%0.36%0
modGunLaserSight0.36%0.32%0.35%0
modGunShotgunTubeExtenderMagazine0.32%0.32%0.35%0
modGunTriggerGroupBurst30.35%0.32%0.30%0
modGunBowArrowRest0.33%0.30%0.34%0
modGunSoundSuppressorSilencer0.25%0.30%0.28%0
modGunBarrelExtender0.28%0.29%0.34%0
modGunRetractingStock0.30%0.26%0.31%0
Wooden Bow–0.24%0.06%0
Iron Crossbow–0.22%0.06%0
Pipe Bomb (Ammo)0.49%0.20%0.05%0.01
Molotov Cocktail (Ammo)0.49%0.19%0.06%0
7.62mm Ammo73%––0
9mm Ammo73%––0
Shotgun Shell (Ammo)73%––0
Iron Arrowhead7.9%––0
Primitive Bow1.1%––0
Pipe Rifle0.94%––0
Pipe Shotgun1.0%––0
Knuckle Wraps1.9%––0
Bone Knife1.9%––0
Pipe Pistol1.0%––0
Pipe Baton1.8%––0
Pipe Machine Gun0.94%––0
AP 7.62mm Ammo––42%0
AP 9mm Ammo––42%0
Steel Crossbow Bolt (Ammo)––1.9%0
AP .44 Magnum Ammo––43%0
Flaming Arrow (Ammo)––2.1%0
Flaming Crossbow Bolt (Ammo)––2.0%0
Steel Arrow (Ammo)––1.9%0
Steel Spear––0.23%0
Robotic Turret––0.19%0
Steel Club––0.22%0
Tactical Assault Rifle––0.22%0
Stun Baton––0.21%0
Steel Sledgehammer––0.22%0
Machete––0.22%0
Pump Shotgun––0.16%0
Steel Knuckles––0.20%0
Compound Crossbow––0.06%0
.44 Magnum––0.17%0
Stick of Dynamite (Ammo)––0.08%0
Lever Action Rifle––0.18%0
Compound Bow––0.08%0
Grenade (Ammo)––0.06%0

Average count per open at loot stage 50. From 40,000 simulated opens per stage; perks that raise loot are not counted.