45-90 WINCHESTER +P

BUFFALO BORE 45-90 WINCHESTER +P AMMUNITION

45-90 WINCHESTER +P
430 gr. Hard Cast GC @ 2,150 fps/ME 4,413 ft lbs
20 Round Box

ITEM 45-90 - 430 HC GC +P

For decades, I’ve been asked to create some modern, very powerful 45-90 ammunition, and here it is. This load features our 430-gr. hard cast, gas-checked bullet that we use in our 45-70, item # 8A ammunition, but at 225 fps more velocity due to the longer (45-70 = 2.105 vs 45-90 = 2.400 inch) case of the 45-90 and its therefore greater powder capacity. This bullet achieves a full 2,150+ fps from my several Winchester Model 86s with 22- to 26-inch barrels.

The 45-90 cartridge is so much longer than the 45-70, that it requires the longer 1886 action. The Marlin 1895 45-70 action will not cycle a cartridge this long.

Velocities of the full power (+P) 45-90 ammunition are exactly midway between the hottest 45-70 loads and the hottest 458 Win. Mag. loads with like bullet weights. Any time you can gain over 200 fps more velocity with a 430-gr. bullet, it is a substantial gain.

We will be making several other 45-90 +P and “Black Powder Equivalent” loads. We will also be coming out with a 350 gr. TSX spitzer load, for single shots. This will be a 2350+ fps load.

If you are going to fire this +P ammo in 100+ year old Winchesters, it is fine to do if your rifle has a proper steel barrel. Read this article on aging your rifle, THE DANGERS OF NOT AGING YOUR FIREARM VERSUS THE ADVENT OF“HIGH-PRESSURE STEEL” FOR USE WITH SMOKELESS POWDER so you can be safe in so doing. There is no need to destroy old relics and hurt yourself in the process by firing high-pressure ammo in metal barrels designed for low-pressure black powder. The pressure of this +P 45-90 ammo (all our 45-90 +P loads) is running roughly 38K PSI and is 100% safe to use in the model 1886 and all its clones that I know of.

While our +P 45-70 loads are plenty powerful for the world’s biggest bears and for Cape Buffalo, this new 45-90+P ammo is even more so, if you are using the proper bullet/load.

You’ll note my real-world velocities from real-world rifles below.

> 2,255 fps - Modern Winchester 1886 rifle, 24-inch barrel
> 2,198 fps - Modern Winchester 1886 Carbine, 22-inch barrel
> 2,143 fps - 1906 Winchester 1886 rifle, 26-inch barrel

Item 45-90 - 430 HC GC +P - Exterior Ballistics Charts for several Muzzle Velocities

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Muzzle Velocity @ 2400 fps for Item 45-90 - 430 HC GC +P

Muzzle Velocity @ 2300 fps for Item 45-90 - 430 HC GC +P

Muzzle Velocity @ 2200 fps for Item 45-90 - 430 HC GC +P

Muzzle Velocity @ 2100 fps for Item 45-90 - 430 HC GC +P

Muzzle Velocity @ 2000 fps for Item 45-90 - 430 HC GC +P

Muzzle Velocity @ 1900 fps for Item 45-90 - 430 HC GC +P

Muzzle Velocity @ 1800 fps for Item 45-90 - 430 HC GC +P

Field-proven rifle and gun ammo. Maximum firepower ammo. Best ammunition for rifles and guns for sale. Buffalo Bore. Strictly big bore. Strictly Business.

Attention!
You must be 18 or older to order ammunition. Ammunition must ship UPS ground. Due to Department of Transportation regulations, we cannot accept returns on Ammunition. Make sure to use the correct ammunition in your gun. Check local laws before ordering.