264 Winchester Magnum History and General Information. The .264 Winchester Magnum was one of a series of short belted magnums developed by winchester, it was officially introduced to the public in 1959 by winchester. The 264 winchester magnum is an excellent, accurate, and flat shooting cartridge that is capable of taking any game in the lower 48 states and is one of the more powerful 26 caliber cartridges, when loaded with 140 grain bullets at 3100 fps. it is a very adequate round for deer at 500 yards. The 264 Winchester magnum has had a reputation as being hard on barrels and will wear out in as few as 500 rounds, back in 1959 this may have been true but we are now into the 21st. century where cryo treating barrels extends the life of barrels considerably and this would include the 264 win.mag. as well. The 264 winchester magnum when loaded with 129 grain bullets recoil is quite minimal and controllable when loaded with 140 grain bullets the recoil increases quite a bit, a good recoil pad fitted to the rifle will tame the recoil before it gets to your shoulder. 264 Winchester Magnum Barrel Specifications.
Common Barrel Twist Rate - 1/9
Bore Groove Diameter - .263" 264 Winchester Magnum Reloading Specifications.
Bullet Diameter - .264"
Maximum Case Length - 2.500"
Trimmed Case Length - 2.490"
Primer Size - Large Rifle 264 Winchester Magnum Loading Data Hints. The 264 Winchester Magnum will come to life with the very slow burning powder i.m.r.7828, when using 140 grain weight bullets the full devastating power potential of this cartridge can and will be realized. 264 Winchester Magnum Reloading Data.
Hodgdon Reloading Data Center. 264 Winchester Magnum Rifles.
New 264 Winchester Magnum Rifles Here. Sponsor - Impact Guns. 264 Winchester Magnum Trajectory and Hunting Applications.
This is a down range trajectory chart for the 264 Winchester Magnum cartridge with the scope mounted 1.5 inches above the bore center line plus if you were using this load, its effective hunting bullet energy range with well placed shots on, Varmint / Predator size game, such as Bobcat, Cougar, Coyote. Deer size game, such as Antelope, Blacktail, Hogs, Javelina, Mule, Whitetail. Elk size game, such as Caribou, Black Bear, Sheep. Moose size game, such as Brown Bear.
Bullet diameter .264"
Bullet weight 140 grains
Bullet ballistic coeffecient .441
Bullet velocity 3,100 feet per second | | | Range | 100 yds. | 200 yds. | 300 yds. | 400 yds. | 500 yds. | + |
 |
+ 1.4 |
0 |
- 6.5 |
- 18.8 | - 38.1 |
 |
 |
2570 |
2199 |
1872 |
1588 |
1341 |
 |
| Varmint |
+ |
+ | + | + | + |
+ |
| Deer |
+ | + | + | + | + |
+ |
| Elk |
+ | + | + |
- | - |
- |
| Moose |
+ | + | - | - | - | - |
 Comparitive Links And References:
Centerfire Rifle Cartridge Ballistics. Popular North America Hunting Cartridges: 223 Remington, 243 Winchester, 270 Winchester, 308 Winchester, 30-06 Springfield, 7mm Remington Magnum & 300 Winchester Magnum. Popular North America Hunting Rifles: Rem. Model 700, Ruger M77 & Win. Model 70. Winchester Cartridges: 243 Win, 264 Win. Mag., 270 Win, 30-30 Win, 308 Win, 300 Win. Mag., Short Magnums, 223 WSSM, 243 WSSM, 25 WSSM, 270 WSM, 7mm WSM, 300 WSM & 325 WSM. |