.221 Rem. Fireball

Reloading data for .221 Rem. Fireball cartridges and specifications for cases and loads in this caliber.
Product number: CID_125
Load data for caliber ".221 Rem. Fireball"
The 221 Remington Fireball is a centerfire rifle cartridge developed by Remington Arms in 1963. It has an overall length of 46mm and a bullet weight ranging from 36-55 grains.
You find .221 Rem. Fireball 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: .221 Rem. Fireball
Cartridge Type: Rimless
Bullet Diameter: 0.224 '' | 5.69 mm
Primer Size: Small Rifle (SR)
Max. Case Length (l3):1.4'' | 35.48 mm
Max .Cartridge Length / OAL:1.83'' | 46.48 mm
Maximum Standardized Pressure:46412.8 psi | 3200 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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