.17 HMR

Reloading data for .17 HMR cartridges and specifications for cases and loads in this caliber.
Product number: CID_17
Load data for caliber ".17 HMR"
The .17 Hornady Magnum Rimfire (HMR) is a popular rifle cartridge developed in 2002 by ammunition manufacturer Hornady. It is based on the .22 Magnum rimfire cartridge and offers high velocities, low recoil, and excellent accuracy at short to medium range.

The .17 HMR is used primarily for varmint hunting and target shooting but can be used for larger game animals such as coyotes, foxes, groundhogs and prairie dogs. This cartridge is offered in bolt action, lever action and single shot rifles from major manufacturers such as Browning, Marlin, Remington, Ruger and Savage Arms.

You find .17 HMR 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: .17 HMR
Cartridge Type: Rimfire
Bullet Diameter: 0.172 '' | 4.37 mm
Primer Size: Small Rifle (SR)
Max. Case Length (l3):1.06'' | 26.92 mm
Max .Cartridge Length / OAL:1.36'' | 34.67 mm
Maximum Standardized Pressure:26542.32 psi | 1830 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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