.204 Ruger

Reloading data for .204 Ruger cartridges and specifications for cases and loads in this caliber.
Product number: CID_51
Load data for caliber ".204 Ruger"
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.

You find .204 Ruger with all common powders and bullets by clicking the 'Loads in this caliber' button above.

Technical Specifications (based on the respective safety standard - see more details in tab 'Datasheet' if available)

Caliber: .204 Ruger
Cartridge Type: Rimless
Bullet Diameter: 0.204 '' | 5.18 mm
Primer Size: Small Rifle (SR)
Max. Case Length (l3):1.84'' | 46.81 mm
Max .Cartridge Length / OAL:2.26'' | 57.4 mm
Maximum Standardized Pressure:58741.2 psi | 4050 bar
The Commission internationale permanente pour l'épreuve des armes à feu portatives ("Permanent International Commission for the Proof of Small Arms" – commonly abbreviated as C.I.P.) is an international organisation which sets standards for safety testing of firearms. (The word portatives ("portable") in the name refers to the fact the C.I.P. tests small arms almost exclusively; it is ordinarily omitted from the English translation of the name.) As of 2015, its members are the national governments of 14 countries, of which 11 are European Union member states. The C.I.P. safeguards that all firearms and ammunition sold to civilian purchasers in member states are safe for the users.
To achieve this, all such firearms are first proof tested at C.I.P. accredited Proof Houses. The same applies for cartridges; at regular intervals, cartridges are tested against the C.I.P. pressure specifications at the ammunition manufacturing plants and at C.I.P. accredited Proof Houses.

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