The Speer Grand Slam 270 Winchester 130 grain soft point ammunition delivers controlled expansion and deep penetration for medium to large game hunting. This premium hunting cartridge combines Speer's proven dual-core construction with precision manufacturing to ensure consistent terminal performance across varying shot distances.
What Makes This Different
The Grand Slam's unique dual-core design features a hard rear core bonded to a softer front core, creating predictable mushrooming while maintaining weight retention. Unlike standard cup-and-core bullets that can fragment on heavy bone contact, the Grand Slam maintains structural integrity through tough shots. Independent testing shows 75-85% weight retention even after penetrating heavy bone and muscle tissue.
Key Features
- 130 grain soft point bullet optimized for 270 Winchester velocity
- Dual-core construction with bonded jacket for controlled expansion
- Tapered jacket design prevents premature fragmentation
- Premium brass cases with consistent powder charges
- Boxer primers for reliable ignition in all weather conditions
- 50 rounds per box, 5 boxes per case (250 total rounds)
- Muzzle velocity approximately 3,060 fps from 24-inch barrel
Field performance data indicates excellent accuracy potential with most 270 Winchester rifles, typically grouping under 2 MOA at 100 yards. The 130 grain weight provides flat trajectory for longer shots while delivering sufficient energy for deer, elk, and similar-sized game. Temperature stability remains consistent from -20°F to 125°F, making this ammunition suitable for diverse hunting conditions from alpine environments to desert climates.
Technical Specs
- Caliber: 270 Winchester
- Bullet Weight: 130 grains
- Bullet Type: Soft Point
- Muzzle Velocity: ~3,060 fps (24" barrel)
- Muzzle Energy: ~2,702 ft-lbs
- Case Material: Reloadable brass
- Primer Type: Non-corrosive Boxer
- Packaging: 50 rounds per box, 5 boxes per case
- Manufacturer: Speer (Vista Outdoor)
Speer's Grand Slam represents decades of ballistic engineering focused on hunting effectiveness rather than target shooting. The consistent quality control and proven terminal ballistics make this ammunition a reliable choice for hunters who demand predictable performance when shot placement matters most.