Winchester AmmoCenterfire Handgun Reloading 9mm .355 124 gr Full Metal Jacket (FMJ) 100 Per Box
- Capacity-Rounds:
- 100
- Caliber-Gauge:
- 9mm Caliber
- Grain:
- 124
- Quantity:
- Box of 100
- Core Material:
- Lead
- Jacket Material:
- Copper
- Bullet Diameter:
- 0.355
Winchester 9mm FMJ reloading bullets give you the precision components you need to build accurate, reliable handgun ammunition on your own schedule. Each box contains 100 bullets sized at .355 diameter and weighing 124 grains—a classic combination for 9mm handloaders working up target loads, practice rounds, or duty-grade ammunition. Full metal jacket construction delivers consistent feeding and is widely used for range work and training where penetration and target performance matter.
Winchester's reputation for quality extends to their component bullets. These are engineered to precise specifications, so you get batch-to-batch consistency that translates to tighter velocity spreads and more predictable accuracy when you're developing loads. Whether you're fine-tuning a load for a competition pistol, building affordable practice ammo, or stocking up for serious range time, starting with uniform, reliable bullets is the foundation of successful handloading.
The 124-grain weight is popular across the 9mm spectrum—it works in standard-pressure loads and is heavy enough to deliver the velocity and energy you expect from a full-power 9mm round. FMJ construction means no expansion, so these are ideal for target work, steel plates, and any application where you're focused on accuracy and reliable feeding rather than terminal performance.
Key Features
- 100 bullets per box—convenient quantity for batch loading and testing
- .355 diameter sized for standard 9mm (.355) chambering
- 124-grain weight—versatile for a range of 9mm load recipes
- Full metal jacket design for consistent feeding and target-grade performance
- Manufactured to Winchester's precision specifications
Specifications
| Caliber | 9mm |
| Bullet Diameter | .355" |
| Weight | 124 grains |
| Type | Full Metal Jacket (FMJ) |
| Quantity | 100 per box |
| Brand | Winchester |
Frequently Asked Questions
Will these 9mm bullets work in my pistol?
These are .355-diameter bullets designed for standard 9mm (.355) firearms. They'll feed and function in any pistol chambered for 9mm Luger, 9mm NATO, or equivalent. Always verify your reloading manual for load data specific to your firearm and the primers and powder you're using.
Are Winchester FMJ bullets good for target shooting and practice?
Yes. Full metal jacket construction is the standard for range and target work. These bullets are engineered for consistent feeding, reliable accuracy, and cost-effective practice loads—they're not designed for expansion, so you get straightforward performance downrange.
What's included in the box?
Each box contains 100 bullets. These are components only; powder, primers, and brass cases are sold separately.
Can I use 124-grain loads for self-defense or duty rounds?
FMJ bullets are not recommended for self-defense or duty use due to their non-expanding design. They're best suited for target practice, training, and range shooting. Always consult your reloading manual and local laws before loading ammunition for any specific purpose.

