Load data for caliber ".256 Mag. Gibbs"The .256 Mag. Gibbs is a wildcat cartridge featuring an 8mm bullet and modified .30-06 case. Developed by Elmer Keith in the 1950s, it offers shooters and hunters alike an accurate, high-velocity round that packs a punch.
The .256 Mag. Gibbs has been praised for its flat trajectory and low recoil, making it a great choice for target shooting or hunting medium-sized game such as deer and antelope. Its accuracy also makes it ideal for long-range shooting, with some shooters reporting one-inch groups at 200 yards.
You find .256 Mag. Gibbs 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:||.256 Mag. Gibbs|
|Bullet Diameter:||0.256 '' | 6.5 mm|
|Primer Size:||Large Rifle (LR)|
|Max. Case Length (l3):||2.17'' | 55.19 mm|
|Max .Cartridge Length / OAL:||3.05'' | 77.47 mm|
|Maximum Standardized Pressure:||49313.6 psi | 3400 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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