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.300 Win. Mag.

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Load Data for Caliber .300 Win. Mag. - Technical Specifications Image

Technical Specifications:

Caliber:
.300 Win. Mag.
Bullet Diameter:
0.308" | 7.82mm
Primer Size:
Large Rifle Magnum (LRM)
Max. Case Length (l3):
2.620" | 66.55mm
Max. Cartridge Length / OAL:
3.340" | 84.84mm
Max. Standardized :
62366 psi | 4300 bar
Case Capacity:
90.5 Grains of Water | 5.88 cm3
CID:
CID_380
Standard
C.I.P.
Letztes Update:
2/16/2025
  • The .300 Winchester Magnum (Win. Mag) is a powerful and versatile cartridge developed in the early 1960s. This round is known for its impressive velocity, excellent accuracy potential, and flat trajectories - making it one of the most popular rounds for marketing game animals from long distances.The .300 Win. Mag is also an ethical choice for hunters due to its ability to take down large game humanely, even at extended ranges. Additionally, this caliber increasingly popular among target shooters due to its superior performance in all weather conditions and reliable precision accuracy.

    When aggregating the ballistic performance of 156 suitable bullets for this caliber, you get an average powder charge of 67.4gr | 4.37g , an average muzzle velocity (V0) of 2942fps | 897m/s , and an average muzzle energy (E0) of 4288 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

  • .300 Win. Mag.

    Hasler

    .308 | 148gr | Hasler ARIETE

    C.O.L.: 

    3.290" | 83.6mm

    Reload Swiss

    ReloadSwiss RS 60

    << locked / gesperrt >>

    .300 Win. Mag.

    Barnes

    .308 | 150gr | Barnes TSX BT

    C.O.L.: 

    3.290" | 83.6mm

    Reload Swiss

    ReloadSwiss RS 60

    << locked / gesperrt >>

    .300 Win. Mag.

    Hornady

    .308 | 165gr Hornady ECX

    C.O.L.: 

    3.006" | 76.4mm

    Vihtavuori

    Vihtavuori N550

    << locked / gesperrt >>

    .300 Win. Mag.

    Nosler

    .308 | 165gr | Nosler Ballistic Tip

    C.O.L.: 

    3.34" | 84.8mm

    Reload Swiss

    ReloadSwiss RS 62

    << locked / gesperrt >>

    .300 Win. Mag.

    Hornady

    .308 | 165gr Hornady ECX

    C.O.L.: 

    3.006" | 76.4mm

    Vihtavuori

    Vihtavuori N550

    << locked / gesperrt >>

    .300 Win. Mag.

    Hornady

    .308 | 165gr Hornady ECX

    C.O.L.: 

    3.31" | 84mm

    Vihtavuori

    Vihtavuori N560

    << locked / gesperrt >>

    .300 Win. Mag.

    Barnes

    .308 | 165gr | Barnes TTSX BT

    C.O.L.: 

    3.43" | 87.0mm

    Reload Swiss

    ReloadSwiss RS 62

    << locked / gesperrt >>

    .300 Win. Mag.

    Nosler

    .308 | 180gr | Nosler Partition SP

    C.O.L.: 

    3.290" | 83.6mm

    Hodgdon

    Hodgdon H4350

    << locked / gesperrt >>

    .300 Win. Mag.

    Nosler

    .308 | 180gr | Nosler Partition SP

    C.O.L.: 

    3.290" | 83.6mm

    Hodgdon

    Hodgdon H4831

    << locked / gesperrt >>

    .300 Win. Mag.

    Nosler

    .308 | 180gr | Nosler Partition SP

    C.O.L.: 

    3.290" | 83.6mm

    Vihtavuori

    Vihtavuori N165

    << locked / gesperrt >>

    .300 Win. Mag.

    Barnes

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    84.8" | 2153.9mm

    Reload Swiss

    ReloadSwiss RS 70

    << locked / gesperrt >>

    .300 Win. Mag.

    Barnes

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    84.8" | 2153.9mm

    Reload Swiss

    ReloadSwiss RS 70

    << locked / gesperrt >>

    .300 Win. Mag.

    Nosler

    .308 | 180gr | Nosler Partition SP

    C.O.L.: 

    3.290" | 83.6mm

    Reload Swiss

    ReloadSwiss RS 70

    << locked / gesperrt >>

    .300 Win. Mag.

    Nosler

    .308 | 180gr | Nosler Partition SP

    C.O.L.: 

    3.290" | 83.6mm

    Vihtavuori

    Vihtavuori N555

    << locked / gesperrt >>

    .300 Win. Mag.

    Barnes

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Norma

    Norma MRP

    << locked / gesperrt >>

    .300 Win. Mag.

    RWS

    .308 | 185gr | RWS Evolution

    C.O.L.: 

    3.290" | 83.6mm

    Vihtavuori

    Vihtavuori N160

    << locked / gesperrt >>

    .300 Win. Mag.

    RWS

    .308 | 185gr | RWS Evolution

    C.O.L.: 

    3.290" | 83.6mm

    Hodgdon

    Hodgdon H4350

    << locked / gesperrt >>

    .300 Win. Mag.

    RWS

    .308 | 185gr | RWS Evolution

    C.O.L.: 

    3.290" | 83.6mm

    Vihtavuori

    Vihtavuori N555

    << locked / gesperrt >>

    .300 Win. Mag.

    Barnes

    .308 | 200gr | Barnes LRX BT

    C.O.L.: 

    3.33" | 84.5mm

    Vihtavuori

    Vihtavuori N165

    << locked / gesperrt >>

    .300 Win. Mag.

    Nosler

    .308 | 210gr | Nosler AccuBond Long Range

    C.O.L.: 

    3.33" | 84.5mm

    Vihtavuori

    Vihtavuori N165

    << locked / gesperrt >>

    .300 Win. Mag.

    Nosler

    .308 | 210gr | Nosler AccuBond Long Range

    C.O.L.: 

    3.33" | 84.5mm

    Vihtavuori

    Vihtavuori N165

    << locked / gesperrt >>

.300 Win. Mag. load data available with the following bullets:

(most popular first)

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