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.45 ACP Hydroshock

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.45 ACP Hydroshock
Build 1844 45 Hydroshock ammobox
In-game code: ammo_11.43x23_hydro
Calibre: 11.43x23mm
Distance: Average
Accuracy: Average
Damage: High
Impulse: High
Piercing: High
Armor Penetration: Average
Stun: High
Tracer: No
Air Resistance: Average

This unusual .45 ACP caliber round is comprised of a jacketed soft point bullet with an expanding hollow and a steel core. It is a combination of jacketed expanding soft point and armor piercing bullets, benefiting, from the advantages of both and, suffering from their downsides.
- Call of Pripyat in-game description

.45 ACP Hydroshock rounds are an improved variant of the .45 ACP FMJ rounds featured in all three S.T.A.L.K.E.R. games.

General characteristicsEdit


Inventory image

The .45 ACP Hydra-Shok is a hollow-point round that originally had an armor-piercing steel penetrator inside. It is superior in every way to the standard .45 ACP FMJ. The tip's pre-notched edge enhances and controls the hollow-cavity-tipped bullet's expansion in tissue while the steel penetrator passes through cover or body armor. It deals significantly more damage to unarmored or lightly armored targets and has over twice the penetration against light cover and heavy armor alike. The rounds are also slightly lighter, making air resistance less of an issue in aiming. However, they are much rarer then standard .45ACP, and the rarest of all the pistol caliber munitions.


It can be used by the Kora-919, UDP Compact, SIP-t M200, Frasier, and the Black Kite.


  • The Cyrillic script in the upper left corner of the packaging reads Poluoboloch-Broneboin'ie, which stands for "Soft-Point, Armor-Piercing".
  • The English acronym on the packaging JSP-AP stands for "Jacketed Soft-Point, Armor-Piercing". Technically the "Hydroshock" is a JHP, or "Jacketed-Hollow-Point" with no armor piercing qualities whatsoever.
  • The packaging lists the HK USP Compact, Colt M1911A1, and SIG-220, indicating which weapons are chambered for the ammo.


Shadow of ChernobylEdit

These rounds are rare, but Skinflint can sell them after completing the Deal with the snitch mission for Lukash. Colonel Petrenko can also carry them if the player is in very good standing with Duty. They appear in some stashes and can be found in boxes on the rooftops of the Chernobyl Nuclear Power Plant. A few boxes appear in the cabin where the Insane stalker from the Freedom faction is found in the Army Warehouses, and several ones can be found in a metal box on top of a cargo container near the barrier in the same area. Additionally, most Monolith fighters carry these rounds along with the armor piercing variants of other calibres.

Clear SkyEdit

These bullets are even more rare in Clear Sky, since no trader sells them and no NPC uses them. The only way to get these rounds is from stashes, usually the ones the player can buy the coordinates of.

Call of PripyatEdit

Some stashes include these bullets in good amounts (up to 100). Hawaiian may sell them after siding with either Freedom or Duty. They are also commonly sold by Owl. In Pripyat, the player can receive these rounds from Kirillov by asking for .45 ammunition.

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