.300 H & H Mag. Load Data
Alternative names: .300 H & H Mag., .300 H&H Magnum, .300 Holland & Holland Magnum, .300 Super, .30 Super Belted Rimless Magnum
The .300 H&H Magnum is an incredibly powerful and versatile rifle cartridge, developed in 1925 for use in a variety of bolt action rifles. This round combines the velocity and energy of a magnum rifle cartridge with the accuracy of a high-grade precision rifle - making it perfect for both hunting dangerous game animals like bears, buffalos and other large predators as well as match shooting competitions.Offering excellent accuracy potential from quality rifles equipped with optics, this rifle round is capable of taking down even the largest game animals out to extended ranges while retaining sufficient power to penetrate through thick hides and bone. Its unique case design also allows it to be loaded with a variety of bullet weights ranging from 150 grains all the way up to 220 grains, giving shooters plenty of options when it comes to finding loads that work best for their specific application.
- Bullet Weight (gr) ->0-5050-7575-100100-150150-200200-300>300
The following table indicates for this caliber and various bullet weight ranges (in grains) which powders are suitable (👍) and popular among our reloading community (👍👍). This might evolve over time as more community members share their loads and as we accumulate more calculations and tests with our balistics calculator.
Weight vs. Velocity - Suitable Bullets for this Caliber
You need to get an access license to view this chart. See an example with the following caliber: .22 Nosler
Barrel Length Variation vs. Velocity - by Bullet Weight
.300 H & H Mag. load data available is with the following bullets:
(most popular first)