Load data for caliber ".255 GS"The .255 GS (or .255 Gibbs Splinter) is a little-known, yet highly effective cartridge developed by Elmer Keith in the mid 1950s. It is based on the .30-06 case and uses a 9mm bullet, making it perfect for those looking for an accurate, lightweight option.
The .255 GS is often used by hunters and target shooters due to its flat trajectory, low recoil and pinpoint accuracy. Its low powder charge helps to make shooting pleasant, while its relatively light bullets still pack a punch when they hit the target.
The .255 GS was designed with hunting medium game animals such as deer, antelope and wild boar in mind. It can also be used effectively to hunt smaller game, such as coyotes, foxes and hares. The versatile round has earned a reputation among hunters for its ability to take down even larger animals with ease.
You find .255 GS 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)
|Bullet Diameter:||0.257 '' | 6.53 mm|
|Max. Case Length (l3):||2.16'' | 54.99 mm|
|Max .Cartridge Length / OAL:||2.85'' | 72.49 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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