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.204 Ruger

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Caliber .204 Ruger load data and technical Specifications

Caliber Specifications:

Caliber:
.204 Ruger
Standard / Datasheet:
C.I.P.
Bullet Diameter:
0.204" | 5.18mm
Primer Size:
Small Rifle (SR)
Max. Case Length:
1.843" | 46.81mm
Max. Cartridge Length / OAL:
2.260" | 57.40mm
Max. Standardized Pressure:
58740 psi | 4050 bar
Case Capacity:
31.0 Grains of Water | 2.01 cm3
CID:
CID_51
Last updated:
2/20/2025
  • The .204 Ruger is a rifle cartridge developed jointly by Ruger and Hornady in 2004. It was designed as a high-velocity cartridge that would be suitable for varmint hunting and target shooting.The cartridge is based on a modified .222 Remington Magnum case, which was necked down to accept .204 caliber bullets. The resulting cartridge has a bullet diameter of .204 inches and a case length of 1.85 inches.The .204 Ruger is capable of firing bullets weighing between 24 and 45 grains at muzzle velocities ranging from 3,900 to 4,225 feet per second. It is a flat-shooting and low-recoil cartridge that is ideal for shooting small varmints such as prairie dogs, ground squirrels, and coyotes at long ranges.The .204 Ruger has quickly gained popularity among varmint hunters and target shooters due to its high velocity, flat trajectory, and excellent accuracy. It is widely available and relatively affordable compared to some of the more specialized cartridges on the market.Overall, the .204 Ruger is a versatile and effective cartridge that is ideal for varmint hunting and target shooting. It is capable of delivering excellent accuracy and long-range performance, making it a popular choice among hunters and shooters.
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    Most popular powders from our community members for caliber .204 Ruger:

  • Weight vs. Velocity - Suitable Bullets for this Caliber

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    Barrel Length  Variation vs. Velocity - by Bullet Weight

.204 Ruger load data available with the following bullets:

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