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.270 Win.

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Caliber .270 Win. load data and technical Specifications

Caliber Specifications:

Caliber:
.270 Win.
Standard / Datasheet:
C.I.P.
Bullet Diameter:
0.277" | 7.04mm
Primer Size:
Large Rifle (LR)
Max. Case Length:
2.540" | 64.52mm
Max. Cartridge Length / OAL:
3.340" | 84.84mm
Max. Standardized Pressure:
62366 psi | 4300 bar
Case Capacity:
67.0 Grains of Water
CID:
CID_271
  • The .270 Winchester, introduced by Winchester Repeating Arms Company in 1925, has earned its place as one of the most enduring and popular rifle cartridges for hunting. Derived from the .30-06 Springfield by necking it down to accept a smaller, lighter bullet, the .270 Win. delivers flatter trajectories and higher velocities, making it exceptionally well-suited for long-range shooting. Its moderate recoil and powerful performance contributed to its early acclaim as one of the best big game cartridges of its time. At launch, the .270 Win. stood out for its ability to shoot flatter and with less kick than most other cartridges available, which quickly cemented its reputation among hunters and marksmen. Over the decades, it has maintained its popularity thanks to its reliable performance across a wide range of hunting scenarios. Whether you're pursuing deer, elk, or even smaller game, the .270 Winchester offers a versatile, accurate, and effective option that continues to appeal to new generations of hunters. With nearly a century of proven success in the field, the .270 Win. remains a top choice for those who value long-range capability, manageable recoil, and versatility in a single, trusted cartridge.
  • Bullet Weight (gr) ->
    0-50
    50-75
    75-100
    100-150
    150-200
    200-300
    >300

    The following table indicates  for this caliber and various bullet weight ranges (in grains) which powders are suitable (👍) and popular among our reloading community (👍👍).  This might evolve over time as more community members share their loads and as we accumulate more calculations and tests with our balistics calculator.

  • Weight vs. Velocity - Suitable Bullets for this Caliber

    You need to get an access license to view this chart. See an example with the following caliber: .22 Nosler

    Barrel Length  Variation vs. Velocity - by Bullet Weight

  • Number of loads in this caliber shared by community members:

    133

.270 Win. load data available with the following bullets:

(most popular first)

Filter by Bullet Weight (Grains)
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