Speer Grand Slam 270 Cal 150 Grain JSP Bullets - Box of 50
- Capacity-Rounds:
- 50
- Caliber-Gauge:
- 270 Caliber
- Grain:
- 150
- Quantity:
- 50 Per Box
- Bullet Tip Material:
- Lead
- Core Material:
- Lead
- Jacket Material:
- Copper
- Recommended Usage:
- Large Game
- Bullet Diameter:
- 0.277
- Cannelure:
- Yes
The Speer Grand Slam 270 Cal 150 Grain JSP Bullets are a reloading staple for hunters who want proven, dependable performance without compromise. These soft-point rifle bullets have been a go-to choice since their introduction in the 1970s, and they remain popular today among reloaders pursuing medium to large game. If you're handloading ammunition for your .270 Winchester and value consistent accuracy paired with reliable terminal performance, the Grand Slam delivers the kind of integrity and weight retention that serious hunters expect.
Built with Speer's Hot Cor process, these bullets feature a precision-drawn jacket with internal flutes that bond the jacket and core together consistently. This fusion design is engineered to expand symmetrically and predictably when it reaches game, helping you put animals down cleanly without excessive fragmentation. The tapered jacket design contributes to reliable feeding and aids in achieving the kind of accuracy that makes reloading worthwhile.
Each box contains 50 bullets, giving you a full component count for a substantial reloading session or multiple hunting loads. Whether you're working up loads for a specific hunting trip or building a reliable ammunition supply, Grand Slam bullets offer the kind of proven track record that takes guesswork out of your handloading bench.
Key Features
- Soft-point design for controlled expansion and retained weight
- Hot Cor jacket-core fusion for consistent performance
- Internal flutes in the jacket for symmetrical expansion
- Precision-drawn jacket and tapered profile for reliable feeding
- 50 bullets per box
Specifications
| Caliber | .270 |
| Weight | 150 Grain |
| Bullet Type | Jacketed Soft Point (JSP) |
| Quantity | 50 |
| Brand | Speer |
Frequently Asked Questions
What caliber rifles are these bullets for?
These are .270 caliber bullets, designed for .270 Winchester and other .270-based rifle cartridges.
How many bullets come in a box?
Each box contains 50 bullets.
Are Grand Slam bullets good for hunting?
Yes. Grand Slam bullets are designed specifically for hunting applications and have been a popular choice among hunters since the 1970s. They are engineered for controlled expansion and weight retention on game.
What makes the Hot Cor process important?
The Hot Cor process fuses the jacket and core together, which helps ensure consistent and symmetrical expansion when the bullet impacts game, contributing to reliable terminal performance.

