Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
The Nosler Trophy Grade 270 Winchester 130 grain Partition load represents factory ammunition engineered around a bullet design that’s anchored big game since 1948. You’re working with a jacketed soft point that splits expansion duties between a front core designed to mushroom on impact and a rear core partitioned behind a copper wall to drive through heavy tissue. At 3075 fps from a 24-inch barrel, this load sits in the sweet spot for mule deer, whitetail, and antelope at ranges where wind deflection remains predictable and energy stays above the 1500 ft-lbs threshold most hunters consider adequate for humane kills on deer-class animals.
Built for the Box
Nosler hand-inspects each Trophy Grade cartridge before it ships. Nosler uses proprietary brass cases with wall thickness tolerances tighter than military surplus or bulk-production brass, which translates to consistent case capacity and more uniform pressure curves from round to round. Boxer primers allow you to reload the brass after firing — an advantage when you’re buying premium components at premium prices. The 130 grain Partition bullet features a G1 ballistic coefficient of 0.416 and sectional density of 0.242, numbers that balance wind resistance and penetration for most hunting scenarios inside 400 yards.
Specs at a Glance
| Spec | Value |
|---|---|
| Caliber | 270 Winchester |
| Bullet weight | 130 grains |
| Bullet type | Nosler Partition Jacketed Soft Point |
| Muzzle velocity | 3075 fps |
| Muzzle energy | 2729 ft-lbs |
| G1 BC | 0.416 |
| Sectional density | 0.242 |
| Rounds/box | 20 |
| Case | Brass |
| Primer | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Intended use | Hunting |
| Manufacturer | Nosler |
The Partition’s dual-core construction separates it from cup-and-core bullets that shed front-end weight unpredictably. The front core peels back into a controlled mushroom while the partition wall prevents the rear core from fragmenting, so you retain 60-70% of the original bullet weight even after punching through shoulder blade or rib bone. For hunters working 270 ammo on elk at close range or mule deer at extended distances, that rear-core retention translates to exit wounds and blood trails you can follow in low light.
Safe Handling & Compliance
Federal law requires purchasers to be at least 18 years old for rifle and shotgun ammunition, and at least 21 for handgun ammunition. Ammunition cannot be shipped to certain states, counties, and cities — review our ammunition shipping restrictions before ordering. Store ammunition in a cool, dry location away from heat sources and out of reach of unauthorized users.
- Follow the four universal rules of firearm safety at all times when handling firearms and live ammunition.
- Verify current federal, state, and local laws governing ammunition possession and transport in your jurisdiction before ordering.
- This product contains lead, a chemical known to the State of California to cause cancer and reproductive harm — store away from food and wash hands after handling.
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