.300 RCM

Reloading data for .300 RCM cartridges and specifications for cases and loads in this caliber.
Product number: CID_371
Load data for caliber ".300 RCM"
The .300 RCM (Remington Compact Magnum) is an incredibly powerful shell, developed in 2007 for use in short-action rifles. This round combines the velocity and energy of a magnum rifle cartridge with increased accuracy potential - making it perfect for both hunting dangerous game animals out to extreme distances as well as serious target shooting competitions.

Offering superior accuracy potential from quality rifles equipped with optics, this rifle round is capable of taking down even the largest game animals out to ranges beyond what most other magnums are capable of delivering - while retaining sufficient power to penetrate through thick hides and bone. Its unflagging performance across temperatures and atmospheric conditions makes it ideal for shooters looking for consistent precision at extended distances.

You find .300 RCM 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: .300 RCM
Cartridge Type: Rimless
Bullet Diameter: 0.308 '' | 7.82 mm
Primer Size: Large Rifle (LR)
Max. Case Length (l3):2.09'' | 53.09 mm
Max .Cartridge Length / OAL:2.84'' | 72.14 mm
Maximum Standardized Pressure:63817.6 psi | 4400 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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