.300 CR

Reloading data for .300 CR cartridges and specifications for cases and loads in this caliber.
Product number: CID_352
Load data for caliber ".300 CR"
The .300 CR (aka the ".300 Carbine Rifle") is a modern "straight-walled" rifle cartridge developed by CorBon and introduced in 1993. Designed primarily for use in AR-15 rifles and carbines, this round offers shooters lightweight bullets with high velocities, resulting in excellent energy transfer at close ranges while still offering relatively flat trajectories out to intermediate distances - making it perfect for hunting, self defense and target shooting applications alike.

Offering excellent accuracy potential from quality rifles equipped with optics, this rifle round is capable of taking down small game animals like coyotes or hogs as well as medium sized deer out to 200 yards with ease. It also has potential for match shooting, where its flat trajectory makes it an ideal long range cartridge.
You find .300 CR 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 CR
Cartridge Type: Rimless
Bullet Diameter: 0.308 '' | 7.82 mm
Primer Size: Large Rifle (LR)
Max. Case Length (l3):2'' | 50.8 mm
Max .Cartridge Length / OAL:2.8'' | 70.99 mm
Maximum Standardized Pressure:62367.2 psi | 4300 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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