Sierra Sports Master 9mm 125 Grain JHP Bullets (Box of 100)
$39.20
$39.99
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- Caliber-Gauge:
- 9mm Caliber
- Grain:
- 125
Sierra Sports Master 9mm 125 grain JHP bullets deliver reliable performance for handloaders who demand consistent expansion and energy transfer downrange. Built on decades of bullet engineering, these hollow points are designed to expand uniformly across a wide velocity range—whether you're loading for target practice, self-defense, or competition shooting. The 125 grain weight sits in the middle of the 9mm performance spectrum, balancing velocity with impact effect.
What sets these rounds apart is Sierra's serrated power jacket design on the hollow cavity. That serration works as an expansion guide: upon impact, the bullet expands predictably along the serrated lines, maximizing energy transfer to the target and maintaining consistent bullet weight throughout the expansion process. For handloaders who care about repeatability and terminal performance, that controlled expansion is the difference between a round that performs as intended and one that doesn't.
Each box contains 100 bullets, giving you a solid reload batch for practice sessions, matches, or duty loads. Sierra backs their materials and workmanship, so you're reloading with components built to their quality standard, not a compromise.
Key Features
- Serrated power jacket design for uniform expansion along the serration line
- Engineered for consistent performance across a wide range of handloading velocities
- Hollow point geometry for reliable energy transfer on impact
- 125 grain weight optimized for 9mm ballistics
- 100 bullets per box—enough for a full reloading session
- Sierra materials and workmanship guarantee
Specifications
| Caliber | 9mm |
| Bullet Weight | 125 grains |
| Bullet Type | Jacketed Hollow Point (JHP) |
| Quantity | 100 bullets per box |
| Manufacturer | Sierra Bullets |
Frequently Asked Questions
What does the serrated power jacket do?
The serrated jacket on Sierra's hollow point design creates expansion guides. On impact, the bullet expands predictably along those serration lines, which promotes uniform expansion and consistent weight retention—meaning more reliable terminal performance and energy transfer compared to smooth-jacket designs.
Are these bullets suitable for self-defense reloading?
Yes. Sierra Sports Master JHP bullets are designed for controlled expansion and energy transfer, which are the core requirements for defensive handloads. Always verify your complete load data and follow safe reloading practices for your specific firearm and intended use.
What velocity range should I load these for?
Sierra designed these bullets to expand reliably across a wide range of velocities, so they'll perform in standard 9mm loads and faster handloads alike. Consult current Sierra reloading data for your specific powder, case, and primer combination to determine safe velocity ranges for your loads.
How many rounds can I reload with one box?
Each box contains 100 bullets, so you'll get 100 complete rounds once you add brass, powder, and primers according to your load data.
