300 H&H Magnum Ammo
GunCritic Score

50%
Critic Rating
0 Reviews

50%
User Rating
0 Reviews
MSRP:$18.89
Used Price:
$17.00
Sale Price:
$18.89
Ammo Stats
Average Fps
3077 fps
Average Energy
3785 ft-lbf
Recoil
26 N
Ballistic Coefficient
0.45
Sectional Density
0.27 lb/in²
Average Gr
180 gr
Pwdr Chrg Wght
72 gr
Range
500 yd
Muzzle Velocity
2910 fps
Muzzle Energy
4600 J
From$18.89
See DealDesigned by the British firm Holland & Holland, the .300 H&H Magnum was introduced in 1925, based on the .375 H&H Magnum case necked down to .30 caliber. By 1888 the famous Mauser company of Germany had designed a rimless cartridge which gave reliable feeding in bolt action magazine-fed rifles, influencing cartridge design worldwide. The belted case was first introduced by Holland & Holland on the .400 and .375 NE cartridges in 1904 followed by the famous .375 H&H magnum in 1912
...
with the .300 H&H magnum arriving 13 years later.
The .300 H&H magnum was a proprietary cartridge patented by Holland and Holland, meaning that no other manufacturer could build rifles or ammunition for the .300 H&H magnum without the firm’s consent. For these reasons, the .300 H&H magnum initially received little attention outside of Britain’s upper class. During the later 1920s, Holland & Holland released the patent rights to the .375 and .300 cartridges, allowing Griffin & Howe, along with other manufacturers, to build rifles and ammunition in these calibers. Still, for nearly a decade the .300 H&H magnum went mostly unnoticed by the general shooting public. But in 1935, American shooter Ben Comfort used a Griffin & Howe .300 H&H Magnum built on an M1917 action to win the 1000-yard Wimbledon cup.
Following the Wimbledon Cup victory, the .300 H&H Magnum cartridge obtained widespread attention in the U.S.A, influencing future cartridge designs. The .300 H&H magnum was in its heyday, enjoyed both as an African plains game cartridge, a North American game cartridge and an effective competition chambering. The .300 H&H magnum is a potent cartridge, thoroughly suited to medium game hunting as well as large animals, such as zebras or wildebeests. Eventually, the .300 H&H magnum was superseded by newer .30 caliber magnum cartridges including the .300 Weatherby Magnum, followed by the .308 Norma and .300 Winchester Magnums. Nevertheless, the .300 H&H magnum continues to see use..300 H&H Magnum For Sale
.300 H&H Magnum Ballistics Performance
| Distance (yard) | Elevation (in) | Energy (fps) | Velocity (ft/lb) |
| 0 | 0.00 | 2611.94 | 2800.00 |
| 30 | -0.78 | 2611.94 | 2800.00 |
| 60 | -3.11 | 2611.94 | 2800.00 |
| 90 | -7.00 | 2611.94 | 2800.00 |
| 130 | -12.45 | 2611.94 | 2800.00 |
| 160 | -19.45 | 2611.94 | 2800.00 |
| 190 | -28.00 | 2611.94 | 2800.00 |
| 230 | -38.12 | 2611.94 | 2800.00 |
| 260 | -49.78 | 2611.94 | 2800.00 |
| 290 | -63.01 | 2611.94 | 2800.00 |
| Distance (yards) | 0 | 30 | 60 | 90 | 130 | 160 | 190 | 230 | 260 | 290 |
| Elevation (in) | 0.00 | -0.78 | -3.11 | -7.00 | -12.45 | -19.45 | -28.00 | -38.12 | -49.78 | -63.01 |
| Energy (fps) | 2611.94 | 2611.94 | 2611.94 | 2611.94 | 2611.94 | 2611.94 | 2611.94 | 2611.94 | 2611.94 | 2611.94 |
| Velocity (ft/lb) | 2800.00 | 2800.00 | 2800.00 | 2800.00 | 2800.00 | 2800.00 | 2800.00 | 2800.00 | 2800.00 | 2800.00 |
GunCritic Score
Ammo Stats
Average Fps
3077 fps
Average Energy
3785 ft-lbf
Recoil
26 N
Ballistic Coefficient
0.45
Sectional Density
0.27 lb/in²
Average Gr
180 gr
Pwdr Chrg Wght
72 gr
Range
500 yd
Muzzle Velocity
2910 fps
Muzzle Energy
4600 J
Bullet Drop
0.01 in
Wind Drift
0.01 in
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.300 H&H Magnum Specifications
Category
Caliber
.300 H&H Magnum
Gun Types
Bolt-action Rifles
Case Types
Belted, Bottleneck
Height
2.85
Average Grain
180
Case Material
Brass
Rim Type
Belted
Bullet Types
Soft Point,Jacketed Hollow Point,Full Metal Jacket
Primer Type
Large Rifle
Bullet Diameter
0.327 in
Land Diameter
0.319 in
Neck Diameter
0.365 in
Base Diameter
0.435 in
Rim Diameter
0.443 in
Rim Thickness
0.049 in
Case Length
72 in
Oal Cartridge Length
85 in
Bullet Weight
180 gr
.300 H&H Magnum Comparisons
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