Plus, with all older cartridges in older rifles, there are reasons for keeping the pressures down.Ī while back I talked Ruger into including the. You can do better on your own, but the cartridge is no longer popular enough to make new load development worthwhile to manufacturers. The bad news is current loads are limited to 180-grain bullets, and all are pretty conservative at a standard 2,880 fps, about the same as the "enhanced velocity". Shooting reloads may void any warranty on your firearm. Neither the author nor InterMedia Outdoors assumes any liability for accidents or injury resulting from the use or misuse of this data. Warning: The loads shown here are safe only in the guns for which they were developed.
One of a kind cartridge holland and holland rifle manuals#
They are NOT starting loads consult manuals for starting powder-charge weights. Notes: These are among the fastest loads published in current reloading manuals. There are factory loads, and good ones in Winchester Supreme and Federal Premium, and there's now a new load from Hornady. What future it has is primarily as a handloader's cartridge. It's also a traditional choice, and nostalgia counts with many of us. 300 H&H was extremely popular for many years, and its attributes are genuine: performance, accuracy, smooth feeding. Here's the deal: Case design is a contributing element to accuracy, but it's not as important as a good barrel properly mated to a true action, a precisely cut chamber and consistent ammunition. Similarly, the short, fat cases of the new short magnums do promote accuracy, and if this is true, the long, tapered case of the. 300 Winchester Magnum rifles to fully accept the theory. In theory this is true, but we have all seen too many spectacularly accurate. 308-inch) neck was a design flaw, giving the case a poor grip on the bullet that would inhibit accuracy. It was long rumored that its "less than one caliber" (i.e., less than. 300 Winchester Magnum uses a very short neck to maximize case capacity. 300 H&H was the world standard long-range magnum, known for performance and accuracy.
This was the boost the cartridge needed, and it got another one two years later when it was among the initial offerings in the brand-new Winchester Model 70, "the rifleman's rifle." For the next 26 years, the. 300 H&H to win the Wimbledon Cup 1,000-yard match.
To get to maximum velocity you have to burn a lot more powder, which means more heat, recoil and blast. It should be faster, and it is - but it starts to edge toward overbore capacity, so there are diminishing returns. 300 H&H, but with the taper removed and the full-length case retained, it has a lot more case capacity, nearly 85 grains. 300 Weatherby Magnum is actually just one of several "improved" or blown-out versions of the. Current loading data, as reflected in the accompanying chart, is fairly mild, probably reflecting the fact that this is an older cartridge - with almost no new rifles - and of course reflecting the steady downgrading of published data because of product liability. 300 H&H chambers will produce them, either. 300 Winchester Magnum chambers will beat those velocities. 300 Winchester Magnum's shorter, fatter case gives it more efficiency.
300 Winchester Magnum because, despite its short case, its short neck and straight case give it useable powder capacity of 79.5 grains of water to the.
In theory you can do a bit better with a.