Armor Piercer
Tier 4 · Weapon · Passive
Armor Piercer is a tier 4 weapon item costing 6,400 souls. Your Bullets have a chance to become unavoidable, piercing through enemies and ignoring their Bullet Resistance. Games in which it was bought win 54.9% of the time across 154k matches.
Stat bonuses
The bonuses this item grants when bought.
| Stat | Bonus |
|---|---|
| Bonus Bullet Speed Percent | 55 |
| Proc Chance | 20 |
| Base Attack Damage Percent | 30 |
Item properties
From client version 6712.
| Stat | Value |
|---|---|
| Cast Range | 0m |
| Charges | 0 |
| Charge Delay | -1s |
| Weapon Damage | 8% |
| Bullet Velocity | 60% |
| Channel Move Speed | -1m |
| Proc Chance | 55% |
Built from
- High-Velocity Rounds — 800 souls
What Valve has been arguing with
The stats that have moved most across patches. Nobody else publishes these — they need per-patch history to draw.
Disable Value
Bonus Bullet Speed Percent
Channel Move Speed
Patch history
Every recorded change to Armor Piercer, newest first.
| Patch | Stat | Change |
|---|---|---|
| 2026-09-29 | Weapon Info | changed |
| 2026-09-29 | Name | Armor Piercing RoundsArmor Piercerchanged |
| 2026-06-03 | Provided Property Type | MODIFIER_VALUE_BASEATTACK_DAMAGE_PERCENTMODIFIER_VALUE_WEAPON_DAMAGE_INCREASEchanged |
| 2026-04-10 | Proc Chance | 5055changed |
| 2026-03-06 | Base Attack Damage Percent | changed |
| 2026-03-06 | Bonus Bullet Speed Percent | 5060changed |
| 2026-03-06 | Tooltip Sections | changed |
| 2026-03-06 | Upgrades | changed |
| 2026-02-13 | Shop Image Small | https://assets-bucket.deadlock-api.com/assets-api-res/images/items/weapon/armor_piercing_rounds_sm.png—changed |
| 2026-02-13 | Shop Image Small Webp | https://assets-bucket.deadlock-api.com/assets-api-res/images/items/weapon/armor_piercing_rounds_sm.webp—changed |
| 2026-01-22 | Disable Value | 0-1changed |
| 2026-01-22 | Class Name | scale_function_single_statscale_function_ability_chargeschanged |
| 2026-01-22 | Specific Stat Scale Type | EMaxChargesIncrease—changed |
| 2026-01-22 | Disable Value | 0-2changed |
| 2026-01-22 | Class Name | scale_function_single_statscale_function_ability_recharge_timechanged |
| 2026-01-22 | Specific Stat Scale Type | ETechCooldownBetweenChargeUses—changed |
| 2026-01-22 | Subclass Name | AbilityCooldownBetweenCharge_scale_functionscale_function_ability_recharge_timechanged |
| 2026-01-22 | Ability Cooldown Between Charge | 0-1changed |
| 2026-01-22 | Postfix | m/smchanged |
| 2026-01-22 | Upgrades | changed |
| 2025-11-21 | Bonus Bullet Speed Percent | 4550changed |
| 2025-10-02 | Bonus Bullet Speed Percent | 3545changed |
| 2025-08-18 | Postvalue Label | —Cast Delaychanged |
| 2025-08-18 | Postvalue Label | —Cast Rangechanged |
| 2025-08-18 | Postvalue Label | —Channel Durationchanged |
| 2025-08-18 | Postvalue Label | —Chargeschanged |
| 2025-08-18 | Postvalue Label | —Cooldownchanged |
| 2025-08-18 | Postvalue Label | —Charge Delaychanged |
| 2025-08-18 | Postvalue Label | —Durationchanged |
| 2025-08-18 | Postvalue Label | —Bullet Velocitychanged |
| 2025-08-18 | Channel Move Speed | 50-1changed |
| 2025-08-18 | Postvalue Label | —Proc Chancechanged |
| 2025-08-18 | Postvalue Label | —Spirit Powerchanged |
| 2025-08-18 | Postvalue Label | —Weapon Damagechanged |
| 2025-08-18 | M Bullet Speed Curve | changed |
| 2025-07-29 | Proc Chance | 6050changed |
| 2025-07-04 | Specific Stat Scale Type | ETechCooldownEItemCooldownchanged |
| 2025-05-27 | Bonus Bullet Speed Percent | 3035changed |
| 2025-05-19 | Proc Chance | 6560changed |
| 2025-05-08 | Added to the game | changed |
Win rate is the share of matches won by players who bought this item. It is context, not causation: strong players buy strong items, and the item does not earn all of the credit.