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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:
1/20/2025
caliber_reloading.webp
  • 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 2939fps | 896m/s , and an average muzzle energy (E0) of 4293 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.

    .308 | 130gr | Barnes TTSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N140

    71.3gr | 4.62g

    .300 Win. Mag.

    .308 | 147gr | Winchester FMJ Match

    C.O.L.: 

    3.29" | 83.6mm

    ADI AR 2209

    75.6gr | 4.90g

    .300 Win. Mag.

    .308 | 150gr | Hornady InterBond

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N550

    69.4gr | 4.50g

    .300 Win. Mag.

    .308 | 150gr | Hornady InterBond

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon LVR

    68.2gr | 4.42g

    .300 Win. Mag.

    .308 | 150gr | Hornady InterBond

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon VARGET

    63.1gr | 4.09g

    .300 Win. Mag.

    .308 | 150gr | Hornady InterBond

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon H4350

    70.1gr | 4.54g

    .300 Win. Mag.

    .308 | 150gr | Hornady InterBond

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon LVR

    68.2gr | 4.42g

    .300 Win. Mag.

    .308 | 150gr | Hornady InterBond

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon CFE223

    69.0gr | 4.47g

    .300 Win. Mag.

    .308 | 150gr | Hornady InterBond

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon VARGET

    63.1gr | 4.09g

    .300 Win. Mag.

    .308 | 150gr | Hornady InterBond

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon CFE223

    69.0gr | 4.47g

    .300 Win. Mag.

    .308 | 150gr | Hornady InterBond

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon H4350

    70.1gr | 4.54g

    .300 Win. Mag.

    .308 | 150gr | Hornady InterBond

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N550

    69.4gr | 4.50g

    .300 Win. Mag.

    .308 | 150gr | Sierra SBT GameKing

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N160

    71.5gr | 4.63g

    .300 Win. Mag.

    .308 | 150gr | Speer Boat Tail Soft Point

    C.O.L.: 

    3.29" | 83.6mm

    Baschieri & Pellagri 107

    67.4gr | 4.37g

    .300 Win. Mag.

    .308 | 155gr | LOS Hunter

    C.O.L.: 

    3.3" | 83.6mm

    ReloadSwiss RS 60

    75.6gr | 4.90g

    .300 Win. Mag.

    .308 | 165gr | Nosler Ballistic Tip

    C.O.L.: 

    3.290" | 83.6mm

    Vihtavuori N540

    61.9gr | 4.01g

    .300 Win. Mag.

    .308 | 165gr | Nosler Ballistic Tip

    C.O.L.: 

    3.34" | 84.8mm

    ReloadSwiss RS 62

    69.4gr | 4.5g

    .300 Win. Mag.

    .308 | 165gr Hornady CX

    C.O.L.: 

    3.29" | 83.6mm

    ReloadSwiss RS 60

    67.7gr | 4.39g

    .300 Win. Mag.

    .308 | 165gr Hornady ECX

    C.O.L.: 

    3.31" | 84mm

    Vihtavuori N560

    72gr | 4.67g

    .300 Win. Mag.

    .308 | 165gr | Barnes TTSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N165

    68.8gr | 4.46g

    .300 Win. Mag.

    .308 | 165gr | Barnes TTSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N165

    68.8gr | 4.46g

    .300 Win. Mag.

    .308 | 165gr | Hornady BTSP

    C.O.L.: 

    3.29" | 83.6mm

    ReloadSwiss RS 52

    64.7gr | 4.19g

    .300 Win. Mag.

    .308 | 165gr | Hornady GMX

    C.O.L.: 

    3.39" | 86mm

    ReloadSwiss RS 60

    67.7gr | 4.39g

    .300 Win. Mag.

    .308 | 165gr | Barnes TTSX BT

    C.O.L.: 

    3.43" | 87.0mm

    ReloadSwiss RS 62

    68.5gr | 4.44g

    .300 Win. Mag.

    .308 | 165gr | Hornady GMX

    C.O.L.: 

    3.29" | 83.6mm

    Rottweil R 904

    68.4gr | 4.43g

    .300 Win. Mag.

    .308 | 165gr | Barnes TTSX BT

    C.O.L.: 

    3.33" | 84.6mm

    ReloadSwiss RS 70

    74gr | 4.8g

    .300 Win. Mag.

    .308 | 165gr | Barnes TTSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N165

    68.8gr | 4.46g

    .300 Win. Mag.

    .308 | 165gr | LOS Hunter Tactic

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N150

    64.2gr | 4.16g

    .300 Win. Mag.

    .308 | 165gr | Barnes TTSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N165

    68.8gr | 4.46g

    .300 Win. Mag.

    .308 | 168gr | Barnes TTSX BT

    C.O.L.: 

    3.34" | 84.8mm

    Vihtavuori N555

    71.6gr | 4.64g

    .300 Win. Mag.

    .308 | 168gr | Nosler Custom Competition

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N165

    72.7gr | 4.71g

    .300 Win. Mag.

    .308 | 168gr | Nosler Custom Competition

    C.O.L.: 

    3.37" | 85.55mm

    Vihtavuori N165

    69.0gr | 4.47g

    .300 Win. Mag.

    .308 | 168gr | Hornady BTHP Match

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N160

    67.9gr | 4.40g

    .300 Win. Mag.

    .308 | 168gr | Hornady BTHP Match

    C.O.L.: 

    3.300" | 83.8mm

    Vihtavuori N165

    73.1gr | 4.74g

    .300 Win. Mag.

    .308 | 168gr | Sierra HPBT MatchKing

    C.O.L.: 

    3.290" | 83.6mm

    Vihtavuori N160

    61.7gr | 4.00g

    .300 Win. Mag.

    .308 | 168gr | Barnes TTSX BT

    C.O.L.: 

    3.29" | 83.6mm

    IMR 4831

    66.2gr | 4.29g

    .300 Win. Mag.

    .308 | 168gr | Barnes TTSX BT

    C.O.L.: 

    3.34" | 84.8mm

    ReloadSwiss RS 70

    75.3gr | 4.88g

    .300 Win. Mag.

    .308 | 170gr | Lapua Naturalis

    C.O.L.: 

    3.290" | 83.6mm

    ReloadSwiss RS 76

    71.1gr | 4.61g

    .300 Win. Mag.

    .308 | 170gr | Lapua Naturalis

    C.O.L.: 

    3.290" | 83.6mm

    ReloadSwiss RS 76

    78.2gr | 5.07g

    .300 Win. Mag.

    .308 | 170gr | Lapua Naturalis

    C.O.L.: 

    3.290" | 83.6mm

    ReloadSwiss RS 60

    63.1gr | 4.09g

    .300 Win. Mag.

    .308 | 170gr | Lapua Naturalis

    C.O.L.: 

    3.290" | 83.6mm

    ReloadSwiss RS 60

    68.7gr | 4.45g

    .300 Win. Mag.

    .308 | 170gr | Lapua Naturalis

    C.O.L.: 

    3.290" | 83.6mm

    Lovex S065

    64.4gr | 4.17g

    .300 Win. Mag.

    .308 | 178gr | Hornady ELD-X

    C.O.L.: 

    3.29" | 83.6mm

    IMR 4831

    66.5gr | 4.31g

    .300 Win. Mag.

    .308 | 178gr | Hornady ELD-X

    C.O.L.: 

    3.29" | 83.6mm

    Alliant Reloder-22

    73.7gr | 4.78g

    .300 Win. Mag.

    .308 | 178gr | Hornady ELD-X

    C.O.L.: 

    3.4" | 86.4mm

    Vihtavuori N160

    72gr | 4.67g

    .300 Win. Mag.

    .308 | 178gr | Hornady ELD-X

    C.O.L.: 

    3.29" | 83.6mm

    ReloadSwiss RS 62

    68.1gr | 4.41g

    .300 Win. Mag.

    .308 | 178gr | Hornady ELD-X

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N165

    70gr | 4.54g

    .300 Win. Mag.

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    3.34" | 84.8mm

    Vihtavuori N555

    69.9gr | 4.53g

    .300 Win. Mag.

    .308 | 180gr | Barnes TSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon H4350

    65.4gr | 4.24g

    .300 Win. Mag.

    .308 | 180gr Hornady CX

    C.O.L.: 

    3.465" | 88mm

    Vihtavuori N565

    69.8gr | 4.52g

    .300 Win. Mag.

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N565

    69.9gr | 4.53g

    .300 Win. Mag.

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N560

    69.6gr | 4.51g

    .300 Win. Mag.

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    3.34" | 84.8mm

    ReloadSwiss RS 70

    72.8gr | 4.72g

    .300 Win. Mag.

    .308 | 180gr | Hornady SST InterLock

    C.O.L.: 

    3.33" | 84.5mm

    Vihtavuori N160

    65.9gr | 4.27g

    .300 Win. Mag.

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    84.8" | 2153.9mm

    ReloadSwiss RS 70

    71gr | 4.6g

    .300 Win. Mag.

    .308 | 180gr | Hornady SST InterLock

    C.O.L.: 

    3.29" | 83.6mm

    IMR 4955 Enduron

    68.7gr | 4.45g

    .300 Win. Mag.

    .308 | 180gr | Hornady SST InterLock

    C.O.L.: 

    3.29" | 83.6mm

    SNPE Vectan SP 11

    63.4gr | 4.11g

    .300 Win. Mag.

    .308 | 180gr | Nosler AccuBond

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N160

    64.8gr | 4.20g

    .300 Win. Mag.

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    84.8" | 2153.9mm

    ReloadSwiss RS 70

    71.0gr | 4.60g

    .300 Win. Mag.

    .308 | 180gr | Nosler AccuBond

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N150

    61.6gr | 3.99g

    .300 Win. Mag.

    .308 | 180gr | Hornady SST InterLock

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon H4350

    66.2gr | 4.29g

    .300 Win. Mag.

    .308 | 180gr | Hornady SST InterLock

    C.O.L.: 

    3.29" | 83.6mm

    ReloadSwiss RS 70

    72.5gr | 4.70g

    .300 Win. Mag.

    .308 | 180gr | Nosler AccuBond

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon H4350

    66.4gr | 4.30g

    .300 Win. Mag.

    .308 | 180gr | Winchester SPRN Pow.Point

    C.O.L.: 

    3.29" | 83.6mm

    IMR 7828 SSC

    76.7gr | 4.97g

    .300 Win. Mag.

    .308 | 180gr | Barnes TSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Alliant Reloder-26

    75.0gr | 4.86g

    .300 Win. Mag.

    .308 | 180gr Hornady CX

    C.O.L.: 

    3.54" | 90mm

    Vihtavuori N565

    69.0gr | 4.47g

    .300 Win. Mag.

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Norma MRP

    71.1gr | 4.61g

    .300 Win. Mag.

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    3.3" | 84.8mm

    Vihtavuori N555

    68.1gr | 4.41g

    .300 Win. Mag.

    .308 | 180gr | Hornady SST InterLock

    C.O.L.: 

    3.33" | 84.5mm

    Vihtavuori N150

    62.5gr | 4.05g

    .300 Win. Mag.

    .308 | 180gr | Nosler Ballistic Tip

    C.O.L.: 

    3.29" | 83.6mm

    ADI AR 2209

    69.8gr | 4.52g

    .300 Win. Mag.

    .308 | 180gr | Barnes TSX BT

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon H4350

    65.4gr | 4.24g

    .300 Win. Mag.

    .308 | 180gr | Hornady SST InterLock

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon H4831

    68.5gr | 4.44g

    .300 Win. Mag.

    .308 | 180gr | Barnes TTSX BT

    C.O.L.: 

    3.34" | 84.8mm

    Vihtavuori N555

    70.5gr | 4.57g

    .300 Win. Mag.

    .308 | 180gr | Nosler Ballistic Tip

    C.O.L.: 

    3.290" | 83.6mm

    Vihtavuori N550

    65.0gr | 4.21g

    .300 Win. Mag.

    .308 | 180gr | Nosler AccuBond

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon H4831 SC

    70.5gr | 4.57g

    .300 Win. Mag.

    .308 | 181gr | RWS UNI Classic

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N560

    74.8gr | 4.85g

    .300 Win. Mag.

    .308 | 181gr | RWS UNI Classic

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N555

    70.8gr | 4.59g

    .300 Win. Mag.

    .308 | 181gr | RWS UNI Classic

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N550

    66.8gr | 4.33g

    .300 Win. Mag.

    .308 | 185gr | Berger VLD Hunting

    C.O.L.: 

    3.29" | 83.6mm

    Alliant Reloder-22

    74.7gr | 4.84g

    .300 Win. Mag.

    .308 | 185gr | Berger Classic Hybrid Hunter

    C.O.L.: 

    3.29" | 83.6mm

    ADI AR 2209

    73.6gr | 4.77g

    .300 Win. Mag.

    .308 | 185gr | Berger Classic Hybrid Hunter

    C.O.L.: 

    3.29" | 83.6mm

    Alliant Reloder-22

    74.8gr | 4.85g

    .300 Win. Mag.

    .308 | 190gr | Nosler Custom Competition

    C.O.L.: 

    3.29" | 83.6mm

    ReloadSwiss RS 70

    70.8gr | 4.59g

    .300 Win. Mag.

    .308 | 190gr | Nosler Custom Competition

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N160

    65.1gr | 4.22g

    .300 Win. Mag.

    .308 | 195gr | Hornady BTHP Match

    C.O.L.: 

    3.29" | 83.6mm

    ReloadSwiss RS 70

    69.1gr | 4.48g

    .300 Win. Mag.

    .308 | 195gr | Hornady BTHP Match

    C.O.L.: 

    3.29" | 83.6mm

    ReloadSwiss RS 70

    68.2gr | 4.42g

    .300 Win. Mag.

    .308 | 195gr | Hornady BTHP Match

    C.O.L.: 

    3.29" | 83.6mm

    ReloadSwiss RS 70

    69.4gr | 4.50g

    .300 Win. Mag.

    .308 | 195gr | Hornady BTHP Match

    C.O.L.: 

    3.34" | 84.8mm

    ReloadSwiss RS 70

    68.7gr | 4.45g

    .300 Win. Mag.

    .308 | 200gr | Berger 200.20X

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon H4350

    62.8gr | 4.07g

    .300 Win. Mag.

    .308 | 200gr | Barnes LRX BT

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N165

    65.4gr | 4.24g

    .300 Win. Mag.

    .308 | 200gr | Nosler AccuBond

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N160

    62.0gr | 4.02g

    .300 Win. Mag.

    .308 | 200gr | Barnes LRX BT

    C.O.L.: 

    3.33" | 84.5mm

    Vihtavuori N165

    65.4gr | 4.24g

    .300 Win. Mag.

    .308 | 200gr | Nosler AccuBond

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N550

    61.9gr | 4.01g

    .300 Win. Mag.

    .308 | 200gr | Sierra SBT GameKing

    C.O.L.: 

    3.29" | 83.6mm

    Somchem S365

    65.0gr | 4.21g

    .300 Win. Mag.

    .308 | 200gr | Lapua Mega

    C.O.L.: 

    3.29" | 83.6mm

    Norma MRP

    72.7gr | 4.71g

    .300 Win. Mag.

    .308 | 200gr | Nosler AccuBond

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N160

    62.0gr | 4.02g

    .300 Win. Mag.

    .308 | 200gr | Berger 200.20X

    C.O.L.: 

    3.29" | 83.6mm

    Hodgdon H4350

    62.8gr | 4.07g

    .300 Win. Mag.

    .308 | 200gr | Lapua Mega

    C.O.L.: 

    3.290" | 83.6mm

    ReloadSwiss RS 60

    66.2gr | 4.29g

    .300 Win. Mag.

    .308 | 208gr | Hornady A-MAX

    C.O.L.: 

    3.29" | 83.6mm

    Vihtavuori N160

    63.3gr | 4.10g

    .300 Win. Mag.

    .308 | 208gr | Hornady BTHP

    C.O.L.: 

    3.29" | 83.6mm

    ReloadSwiss RS 70

    66.1gr | 4.28g

    .300 Win. Mag.

    .308 | 208gr | Hornady ELD-Match

    C.O.L.: 

    3.29" | 83.6mm

    Accurate MAGPRO

    71.5gr | 4.63g

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

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