Speer 120-grain Jacketed Soft Point Boat Tail (JSPBT) bullets in .25 caliber (.257 inch) are intended for rifle shooting where consistent ballistics and controlled expansion are required. These bullets combine a tapered boat-tail profile with a copper jacket and a lead core for reliable flight characteristics. They are commonly used for hunting and precision rifle applications.
Key Specifications
- The bullet diameter is .257 inches.
- The bullet weight is 120 gr.
- The bullet type is Jacketed Soft Point Boat Tail.
- The jacket material is copper.
- The core material is lead.
- The ballistic coefficient (G1) is 0.480.
- The sectional density is .260.
- The overall length is 1.125 inches.
- The recommended use is Hunting.
- The quantity is 100 per box.
These Speer JSPBT bullets offer a balance of aerodynamic efficiency and terminal performance suitable for field use and precise shot placement. The boat-tail profile helps reduce drag for more consistent trajectories, while the jacketed soft point construction supports controlled expansion. For shooters who prioritize predictable external ballistics and reliable construction, this Speer offering provides a well-documented component for assembling accurate, application-focused rifle loads.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




