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.450 Rigby

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Caliber .450 Rigby load data and technical Specifications

Caliber Specifications:

Caliber:
.450 Rigby
Standard / Datasheet:
C.I.P.
Bullet Diameter:
0.458" | 11.63mm
Primer Size:
Large Rifle Magnum (LRM)
Max. Case Length:
2.902" | 73.71mm
Max. Cartridge Length / OAL:
3.750" | 95.25mm
Max. Standardized Pressure:
58015 psi | 4000 bar
Case Capacity:
133.0 Grains of Water
CID:
CID_768
  • The .450 Rigby, also known as the .450 Nitro Express 3 1/4", is a centerfire rifle cartridge developed in the early 20th century for hunting big game in Africa and India. It was designed to provide a powerful and reliable cartridge that could take down large and dangerous animals such as elephants and Cape buffalo.

    The .450 Rigby cartridge has a bullet diameter of .458 inches (11.6 mm) and a case length of 3.25 inches (83 mm). It is typically loaded with bullets weighing between 480 and 500 grains (31.1 to 32.4 g), and has a typical muzzle velocity of around 2,150 to 2,250 feet per second (655 to 686 m/s) and a muzzle energy of around 4,400 to 4,800 foot-pounds (5,970 to 6,510 J).

    The .450 Rigby cartridge is primarily used for hunting large and dangerous game in Africa and India. It is also used for some competitive shooting events. The cartridge is well-suited for use in double rifles and bolt-action rifles, and has gained a following among hunters and shooters who appreciate the classic design and performance of the cartridge.

  • Velocity (V0)

    .458 | 250gr | Hornady Monoflex

    [3038 fps | 926 m/s]

    .450 Rigby + Hornady
    .458 | 300gr | H&N KS CuH

    [2864 fps | 873 m/s]

    .450 Rigby + H&N
    .458 | 300gr | Barnes TSX FB

    [2831 fps | 863 m/s]

    .450 Rigby + Barnes

    Energy  (E0)

    Ballistic Coefficient (BC1)

  • 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:

    4

.450 Rigby load data available with the following bullets:

(most popular first)

Filter by Bullet Weight (Grains)
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