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Short Magnums:
223 WSSM - 243 WSSM - 25 WSSM
270 Winchester Short Magnum
7mm Winchester Short Magnum
300 Winchester Short Magnum
325 Winchester Short Magnum
300 Winchester Short Magnum:

The 300 Winchester Short Magnum is a new thirty caliber short magnum centerfire rifle cartridge developed by Winchester ammunition, making its debut and introduced to the shooting public in 2000. The new short magnum cartridge is chambered in Winchester's Model 70 bolt action rifle. The 300 Winchester Short Magnum is a commercial cartridge based on the 404 jeffery cartridge case, shortening to 2.100" and necking down to .30" caliber and sharpening the shoulder angle to 35 degrees the new 300 WSM cartridge has plenty of case capacity for all of its offered bullet weights. The 300 WSM cartridge is a very well thought out cartridge as Winchester is no stranger to highly successful .30" caliber cartridge development. Winchester has now developed four highly successful cartridges in this caliber;
(30-30 Winchester in 1895)
(308 Winchester in 1952)
(300 Winchester Magnum in 1963), and
(300 Winchester Short Magnum in 2000).

 The 300 WSM cartridge offers a good balance of power with manageable recoil. The 300 WSM cartridge achieves its useful purpose as an excellent all around cartridge for all of the deer species of wild game animals walking in all of North America, from white-tailed deer to moose.

 The Winchester, 300 WSM factory ammunition loadings show a velocity of 3,300 feet per second for a 150 grain bullet for deer hunting and this translates to moderate recoil for the shooter with plenty of bullet energy at the 500 yard mark to flatten a white-tailed deer size animal. The 300 WSM cartridge, chambered in a short actioned rifle may well be the ultimate rifle for all of the North American game animals, factory bullet selection in the 150 - 180 grain weight range is the key for success in this cartridge offering moderate recoil with high down range bullet energy.

Ballistics:
This is a ballistics chart for the 300 Winchester Short Magnum rifle:
Rifle barrel length: 24 Inches.
Ammunition: Winchester 150 grain E-Tip bullet.
Bullet diameter: .308 inch.
Bullet weight: 150 grains.
Bullet ballistic coefficient: .469.
Rifle zero: 242 yards, 2" mid-range rise.
Range Muzzle 50 yds. 100 yds. 200 yds. 300 yds. 400 yds. 500 yds.
Bullet Velocity: 3,300 fps. 3,190 fps. 3,083 fps. 2,877 fps. 2,681 fps. 2,493 fps. 2,312 fps.
Bullet Energy: 3,628 ft.lbs. 3,389 ft.lbs. 3,166 ft.lbs. 2,757 ft.lbs. 2,394 ft.lbs. 2,070 ft.lbs. 1,781 ft.lbs.
Bullet Drop: - 1.8" + 0.3" + 1.6" + 1.4" - 3.1" - 12.4" - 27.4"

This is a ballistics chart for the 300 Winchester Short Magnum rifle:
Rifle barrel length: 24 Inches.
Ammunition: Winchester 180 grain XP3 bullet.
Bullet diameter: .308 inch.
Bullet weight: 180 grains.
Bullet ballistic coefficient: .527.
Rifle zero: 260 yards, 3" mid-range rise.
Range Muzzle 50 yds. 100 yds. 200 yds. 300 yds. 400 yds. 500 yds.
Bullet Velocity: 3,010 fps. 2,918 fps. 2,829 fps. 2,655 fps. 2,488 fps. 2,326 fps. 2,171 fps.
Bullet Energy: 3,621 ft.lbs. 3,404 ft.lbs. 3,198 ft.lbs. 2,817 ft.lbs. 2,473 ft.lbs. 2,162 ft.lbs. 1,884 ft.lbs.
Bullet Drop: - 1.8" + 0.9" + 2.5" + 2.4" - 2.6" - 13.2" - 30.4"

300 Winchester Short Magnum Reloading:

Bullet Diameter: .308 Inch.
Maximum Case Length: 2.100 Inches.
Trimmed Case Length: 2.090 Inches.
Primer Size: Large Rifle.
Maximum Cartridge Overall Length: 2.860 Inches.

Reloading Guide:
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Run-Out
Calculating Kinetic Energy
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Centerfire Rifle:
Centerfire Rifle Ballistics:
Centerfire Rifle Cartridges:
17 Rem. - 204 Ruger - 22 Hornet - 222 Rem.
223 Rem. - 22-250 Rem. - 220 Swift - 223 WSSM
243 Win. - 6mm Rem. - 243 WSSM - 240 Wby. Mag.
250 Savage - 257 Roberts - 25 WSSM - 25-06 Rem.
257 Wby. Mag. - 6.5 x 55mm - 260 Rem.
6.5mm Rem. Mag. - 264 Win. Mag. - 6.8mm Rem.
270 Win. - 270 WSM - 270 Wby. Mag. - 7mm-08 Rem.
280 Rem. - 7mm Rem. Mag. - 7mm WSM
30-30 Win. - 308 Win. - 30-06 Springfield
300 Win. Mag. - 300 WSM - 300 Wby. Mag.
325 WSM - 338 Win. Mag. - 340 Wby. Mag.
357 Mag. - 44 Mag. - 444 Marlin - 45-70 Government