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.243 Win.
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Technical Specifications:
Caliber: | .243 Win. |
Bullet Diameter: | 0.243" | 6.17mm |
Primer Size: | Large Rifle (LR) |
Max. Case Length (l3): | 2.044" | 51.92mm |
Max. Cartridge Length / OAL: | 2.710" | 68.83mm |
Max. Standardized : | 60191 psi | 4150 bar |
Case Capacity: | 54.0 Grains of Water | 3.51 cm3 |
CID: | CID_183 |
Standard | C.I.P. |
Letztes Update: | 10/7/2024 |
- The .243 Winchester is a popular centerfire rifle cartridge that was introduced in 1955 by the Winchester Repeating Arms Company. It is based on the .308 Winchester cartridge case, necked down to accept a smaller, 6mm bullet.The .243 Winchester cartridge typically fires a 55-105 grain bullet at a muzzle velocity of around 2,700 to 3,200 feet per second, depending on the bullet weight and powder charge. It is a versatile cartridge that is well-suited for hunting varmints and small game, as well as larger game such as deer and antelope, especially at medium ranges.The .243 Winchester is a popular choice among hunters and target shooters due to its flat trajectory, mild recoil, and excellent accuracy. It is widely available in both factory-loaded ammunition and in reloading components, making it a convenient and flexible choice for a wide range of shooting applications.
When aggregating the ballistic performance of 150 suitable bullets for this caliber, you get an average powder charge of 41.2gr | 2.67g , an average muzzle velocity (V0) of 2959fps | 902m/s , and an average muzzle energy (E0) of 2372 Joule.
Velocity (V0)
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Energy (E0)
Ballistic Coefficient (BC1)
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Most popular powders from our community members for this caliber:
Weight vs. Velocity - Suitable Bullets for this Caliber
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Barrel Length Variation vs. Velocity - by Bullet Weight
.243 Win. load data available with the following bullets:
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