300 H H Magnum Vs 300 Win Mag

In the 1940s and in 1963 winchester introduced the 300 win.

300 h h magnum vs 300 win mag. This load in the 300 holland gave a mv of 2 650 fps vs. Both cartridges are belted magnums that utilize modified. Basically it is bigger than their counterparts. This is also a new version of the remington.

375 h h magnum cases. More modern magnums continue this practice but headspacing on. And the 300 ultra mag. Therefore it is attracting many fans on the hunting world these days.

The 300 win mag has a slightly greater overall length 3 34 vs 3 29 but they are close enough in size that both cartridges are used in standard long action rifles. I have inherited a winchester model 70 300 h h magnum from my late father in law. Closest to it in propellant stinginess is the 300 h h magnum at 43 fps while the 300 winchester magnum averaged 41 fps. For that reason both cartridges have the same rim diameter.

They said it was made in 1959 and thought it to be fairly valuable but refused to discuss prices. A mv of 2 574 fps for the top load with any powder for the 300 win. Roy weatherby improved the 300 h h case to create the more powerful 300 wby. Unlike the 300 win mag the 300 ultra mag is really a versatile cartridge for all shooters with their range.

But the 300 h h s place atop the 30 caliber magnum market was short lived. The 300 h h magnum cartridge was introduced by the british company holland holland as the super thirty in june 1925. The case was belted like the 375 h h magnum and is based on the same case as also is the 244 h h magnum the belt is for headspace as the cases shoulders have a narrow slope rather than an actual shoulder. The 300 h h can exceed the maximum velocity of the 300 winchester magnum by about 75 fps with the 250 grain barnes bullet in front of a maximum load of 67 0 grains of h4831 powder.