.300 H&H; Magnum

 
.300 H&H; Magnum
 
 

In 1920 H&H; brought out their .300 Magnum cartridge, based on the 375 H&H; Magnum case necked down to accept .308 inch bullets, which is called the .300 Belted Rimless Magnum or H&H; Super .30 in Britain. Its case has been the basis for most of the magnum cartridges designed ever since. The traditional British factory load drove a 180 grain bullet at a muzzle velocity (MV) of 2750 fps with muzzle energy (ME) of 3020 ft. lbs. 

This text is based on information from “Cartridges of the World”, Hodgdon reloading manual, the cartridge designer and/or own resources.

   
Bullet weight: Bullet name: Powder:  

 
Not yet verified user loads  
ID: Bullet weight: Bullet name: Powder:  
110 grs
300 H&H;
Somchem 365
180 grs
300 H&H;
Somchem 385
165 grs
Hornady
IMR 4831
200 grs
swift a frame
h-4831 sc
180 grs
nos.pt
imr4831
165 grs
hornady interbond
IMR 4350
180 grs
Nosler Accubond
Hogdon 4831
170 grs
Lapua Naturalis
IMR 4831