Head to Head: .270 Winchester vs. .270 WSM – Updated 

This article compare everything of the.270 Winchester cartridge versus the.270 WSM cartridge for deer hunting. The.270 Winchester has been a staple cartridge for years in the field.

Recently, the.270 WSM cartridge has gained some popularity as an alternative for.270 Winchester cartridge shooters.

Origin Of .270 Win

After the success of the.30-06 Springfield, Winchester shortened the.30-03 to.277 in 1925 to make the.270 Win. It was a sporting cartridge designed for medium-sized game that shot flatter and recoiled less than its predecessor.

The.270 Win. was first chambered in the Model 54. Gun writer Jack O’Connor, who was known for carrying an a.270 around the world, gave the.270 Win. a huge boost in popularity and sales.

.270 Winchester vs. .270 WSM

You’d think that since the.270 is so popular, there would be a lot of cartridges that use the same size.

277-inch bullet size. But, for a long time, the only other.270 hunting cartridge that could be bought in stores was the H&H. It has 270 Wby of magazine power.

Origin Of .270 WSM

In 2001, 76 years after the.270 was first seen in the wild, Winchester made the.300 WSM. In 2002, they made the.270 WSM.

Fans of the.270 WSM were happy to find a short, powerful, and efficient cartridge that was close to the ballistics of the 7mm Rem. Mag. while still fitting in small, light short-action rifles. Also, the.270 WSM could use the many.277 bullets that are made for the.270 Win.

Projectile Availability

Since both rounds use the same 130- to 150-grain hunting bullets, it makes no sense to compare the availability of projectiles for each round.

Ballistics

As I said before, the ballistics of the.270 WSM are better than those of the traditional.270. There is a difference, but it’s not very big.

.270 Winchester vs. .270 WSM

With 130-140-grain rounds, the.270 WSM may give an extra 150–200 feet per second of speed. Even though the WSM is faster than the original, the difference is only about 100 fps with heavy (150 grain) bullets. 270 Win.

With the same load and bullet weight (Hornady’s 145-grain Precision Hunter ELD-X), the.270 WSM has a muzzle velocity of 3,100 feet per second, while the.270 Win. only has a muzzle velocity of 2,970 feet per second.

When fired from the same 24-inch barrel as its competitor, the.270 WSM produces about 250 foot-pounds more energy at the muzzle than its competitor when loaded the same way.

For example, at 500 yards, the.270 Win. is about 100 fps slower than the short mag, and the WSM has about 150 ft.-lbs more energy.

Cartridge

The newer cartridge has a slight but noticeable advantage in how it moves. When the old.270 Win. is zeroed in at 200 yards, it drops about 3.5 inches more than the newer short mag at 500 yards. But it’s less than two inches at 400 yards.

So, the WSM has a little bit of an edge. At ranges of less than a quarter mile, there isn’t much difference between the two cartridges’ trajectories.

.270 Winchester vs. .270 WSM

However, the.270 WSM is better because it has a shorter action than the.270 Win. Even though the WSM is known to be pickier than the.270 Win., its longer case body makes it easier for most rifles to feed.

Rifles and Ammo

Rifles and ammunition are both easy to find, but the.

Since used gun racks have been around for about 80 years longer than 270 Win., it is the more common choice. In the same way, ammunition for weapons.

Even though it isn’t always easy to find, 270 WSM can be bought at many sporting goods stores, including some that are very small. 270 WSM.

For the.270 Win., you can find quality factory loads for as little as a dollar per round. WSM ammo is a little more expensive, but not by much.

.270 Winchester vs. .270 WSM

If you want high-quality hunting rounds, both cartridges are about the same price, but.270 Win. loads are usually a few cents cheaper per shot.

The Winner Is …

When it comes to handloading, the.270 Win. is known for being easy to use with a wide range of powders and being able to do a lot of different things. The.270 WSM can be very accurate, and it also shoots well with slow-burning powders.

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