Winchester Defender 9mm Luger +P ammunition is a bonded jacketed hollow point round engineered for reliable self-defense performance. This centerfire handgun load features a 124-grain projectile designed to expand on impact while maintaining structural integrity, making it a trusted choice for personal protection and duty carry where consistent, effective terminal performance matters.
The +P pressure rating means this round produces higher velocities than standard 9mm loads, delivering increased energy at the point of impact. The bonded construction—where the jacket is metallurgically fused to the core—resists separation during expansion, promoting reliable bullet performance across a range of barriers and distances. This matters when you're counting on your ammunition to perform exactly as intended.
Each box contains 20 rounds, making it practical for range testing, defensive carry rotation, or stocking your self-defense supply. Winchester's long track record in ammunition manufacturing supports the quality control and consistency shooters expect when their ammunition is on the line.
| Caliber | 9mm Luger (+P) |
| Grain Weight | 124 grains |
| Bullet Type | Bonded Jacketed Hollow Point |
| Rounds per Box | 20 |
| Manufacturer | Winchester |
The +P designation indicates this round operates at higher pressure than standard 9mm ammunition. Compatibility depends on your specific firearm—check your owner's manual or contact the manufacturer to confirm your handgun is rated for +P loads before use.
The bonded construction welds the copper jacket to the lead core, preventing separation during expansion. This creates more consistent, reliable performance, which is why bonded bullets are preferred for self-defense applications where predictability is critical.
Each box contains 20 rounds of Winchester Defender 9mm Luger +P 124-grain ammunition.
This round is designed for self-defense applications, though shooters may choose to practice with it. Due to the specialized construction and +P rating, many shooters reserve it for carry and use standard 9mm loads for higher-volume range work.
Ammunition Restrictions:
You must be 18 years or older to purchase shotgun or rifle ammunition, and 21 years or older for handgun ammunition. All ammunition must be shipped via Domestic Ground, and shipping is not available for international residents. Residents of CA, DC, IL, MA, NY, CT, and NJ may be subject to additional restrictions. Always ensure you use the appropriate ammunition for your firearms, and check your state and local laws for any other relevant regulations on firearms and ammunition. Due to Department of Transportation regulations, returns on ammo cannot be accepted. Please verify local laws before placing an order.
We are unable to ship ammunition to the following:
Illinois residents must provide a copy of a valid FOID Card or Valid Concealed Carry License, along with their IL driver’s license or IL state identification card to purchase ammunition. The ammunition can only be shipped to an address listed on either of those two documents.
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