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.256 Mag. Gibbs

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Load Data for Caliber .256 Mag. Gibbs - Technical Specifications Image

Technical Specifications:

Caliber:
.256 Mag. Gibbs
Bullet Diameter:
0.256" | 6.50mm
Primer Size:
Large Rifle (LR)
Max. Case Length (l3):
2.173" | 55.19mm
Max. Cartridge Length / OAL:
3.050" | 77.47mm
Max. Standardized :
49313 psi | 3400 bar
Case Capacity:
56.0 Grains of Water | 3.64 cm3
CID:
CID_231
Standard
C.I.P.
Letztes Update:
10/7/2024
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  • 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.

  • 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

.256 Mag. Gibbs load data available with the following bullets:

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