[Home](/) / [Module](/categories/7-module) / [Hybrid Weapon](/groups/74-hybrid-weapon) / [150mm Prototype Gauss Gun](/types/7287-150mm-prototype-gauss-gun)

# 150mm Prototype Gauss Gun

## Overview

Market: [Ship Equipment](/market/9-ship-equipment) / [Turrets & Launchers](/market/10-turrets-and-launchers) / [Hybrid Turrets](/market/86-hybrid-turrets) / [Railguns](/market/555-railguns) / [Small](/market/564-small)

Hybrid Weapon · Module · Tech I

## Facts

| Fact | Value |
| --- | --- |
| Mass | 500 kg |
| Volume | 5 m³ |
| Capacity | 0.1 m³ |
| Radius | 10 m |
| Portion size | 1 |
| Base price | 7,496.00 ISK |
| Published | Yes |


## Prices

| Market | Value |
| --- | --- |
| Jita 4-4 sell minimum | 171,700.00 ISK |
| Jita 4-4 buy maximum | 143,500.00 ISK |
| The Forge sell minimum | 171,700.00 ISK |
| The Forge buy maximum | 143,500.00 ISK |
| Sell volume | 2905 |
| Buy volume | 1050 |
| Snapshot loaded | 2026-09-09T10:41:12.952Z |
| HTTP last modified | 2026-09-09T09:49:54.000Z |
| Source | esi |


[Order book](/types/7287-150mm-prototype-gauss-gun/prices) · [Price history](/types/7287-150mm-prototype-gauss-gun/history)

## Fitting

| Attribute | Value |
| --- | --- |
| CPU usage | 20 tf |
| Powergrid Usage | 9 MW |


## Structure

| Attribute | Value |
| --- | --- |
| Structure Hitpoints | 40 HP |


## Capacitor

| Attribute | Value |
| --- | --- |
| Activation Cost | 1.869 GJ |


## Miscellaneous

| Attribute | Value |
| --- | --- |
| Used with (Charge Group) | 85 groupID |
| Charges Per Cycle | 1 |
| Charge size | 1 1=small 2=medium 3=l |
| Meta Level | 4 Level |
| Overload rate of fire bonus | -15 % |
| Reload Time | 5 s |
| Required Thermodynamics Level | 1 Level |
| Tech Level | 1 Level |


## Required Skills

| Attribute | Value |
| --- | --- |
| Primary Skill required | 3301 typeID |
| Secondary Skill required | 3300 typeID |


## Turrets

| Attribute | Value |
| --- | --- |
| Damage Modifier | 3.63 x |
| Accuracy falloff | 6000 m |
| Optimal Range | 14400 m |
| Rate of fire | 4.25 s |
| Turret Tracking | 73.5 |


## Heat

| Attribute | Value |
| --- | --- |
| Heat Damage | 1 HP |


## Materials

| Reprocessing yield | Quantity |
| --- | --- |
| [Tritanium](/types/34-tritanium) | 1,228 |
| [Pyerite](/types/35-pyerite) | 66 |
| [Mexallon](/types/36-mexallon) | 77 |
| [Zydrine](/types/39-zydrine) | 1 |


[Reprocessing calculator](/reprocess?type=7287)

## Variations

- [150mm 'Musket' Railgun](/types/20587-150mm-musket-railgun) (Storyline)
- [150mm 'Scout' Accelerator Cannon](/types/7289-150mm-scout-accelerator-cannon) (Tech I)
- [150mm Carbide Railgun I](/types/7291-150mm-carbide-railgun-i) (Tech I)
- [150mm Compressed Coil Gun I](/types/7293-150mm-compressed-coil-gun-i) (Tech I)
- [150mm Railgun I](/types/565-150mm-railgun-i) (Tech I)
- [150mm Railgun II](/types/3074-150mm-railgun-ii) (Tech II)
- [Caldari Navy 150mm Railgun](/types/15823-caldari-navy-150mm-railgun) (Faction)
- [Dread Guristas 150mm Railgun](/types/13867-dread-guristas-150mm-railgun) (Faction)
- [Federation Navy 150mm Railgun](/types/15843-federation-navy-150mm-railgun) (Faction)
- [Shadow Serpentis 150mm Railgun](/types/13866-shadow-serpentis-150mm-railgun) (Faction)

## Formats

Links: [Markdown](/types/7287-150mm-prototype-gauss-gun.md) · [JSON](/types/7287-150mm-prototype-gauss-gun.json)