Description
The Nosler ASP line proves you don't need to spend a fortune on defensive ammunition. This .40 S&W load pairs match-grade quality with a hollow-point bullet engineered for controlled expansion, giving you the precision and stopping power that rounds out at way less per round than comparable duty ammunition.
What Makes Nosler ASP Stand Out
Nosler started with their proven match-grade ammunition foundation and added a hollow-point profile specifically designed for defensive use. The bullet features carefully engineered skives in the jacket that create consistent, reliable expansion across different impact velocities. You get rapid expansion and energy transfer while minimizing the chance of over-penetration. Every round ships in Nosler headstamped brass so if you reload, you're starting with some of the best brass available.
Quality Control You Can See and Feel
Each powder charge is individually weighed to match-grade tolerances. The brass gets checked for proper length, neck sizing, and flash hole alignment before it's loaded. Finished rounds are visually inspected and polished. This isn't just marketing speak either. People taking these to the range report no feeding issues and consistent accuracy shot to shot. The 1110 fps velocity keeps things subsonic for quieter execution without sacrificing the ballistic performance you need.
Range Work and Beyond
While designed with defensive applications in mind, this ammo works equally well for training and target practice. The 150-grain bullet weight puts it in that sweet spot for .40 S&W handguns, balancing recoil management with plenty of energy downrange.
Key Specifications
- Caliber: .40 S&W
- Bullet Weight: 150 gr
- Bullet Type: Jacketed Hollow Point (JHP)
- Muzzle Velocity: 1110 fps
- Muzzle Energy: 410 ft-lbs
- Rounds per Box: 50
- Case Material: Brass
- Primer Type: Boxer
- Manufacturer: Nosler
- Model Number: 51181
- UPC: 054041511810
What’s Included
- 50 rounds of .40 S&W ammunition
Frequently Asked Questions
What's the difference between this Nosler ASP and standard .40 S&W hollow points?
The ASP evolved from Nosler's match-grade ammunition line, so you're getting tighter tolerances on powder charges and better quality control throughout manufacturing. The bullet design features skived jacket reliefs that create consistent expansion across different velocities without over-penetrating. Most people find it delivers that performance at a better price point than typical duty ammunition.
Is this ammunition reloadable?
Yes. These rounds are loaded in Nosler headstamped brass, which is premium brass that reloaders appreciate. If you reload, you're getting top-tier brass that will last multiple firings and maintain consistent dimensions.
Can I use this for both training and defensive applications?
This ammo is totally suitable for range training and practice, but it's specifically designed and loaded for defensive use. The hollow-point design and consistent expansion make it well-suited for duty or personal protection applications, while the match-grade precision means your practice rounds will perform the same way every time.
What makes Nosler's quality control worth the attention?
Every aspect of these rounds gets inspected individually. Powder charges are weighed to match-grade tolerance, brass is checked for proper length and flash hole alignment, and finished rounds are visually inspected and polished. This level of consistency means your first shot and your fiftieth shot will perform virtually identically.



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