Last reviewed: 2026-04-17 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
The Blazer Brass 40 S&W 165 grain FMJ is an ammunition load engineered for high-volume range sessions and brass recovery. At 1050 feet per second and 404 foot-pounds of muzzle energy, this cartridge delivers consistent cycling in full-size and compact .40 S&W pistols. The full metal jacket bullet design minimizes barrel fouling, and the boxer-primed brass case accepts standard large pistol primers for straightforward reloading. Blazer Brass uses clean-burning propellants that reduce residue buildup, shortening cleaning intervals during extended range trips.
Performance at a Glance
Blazer produces this load in the United States using brass cases that are reloadable and non-corrosive. The 165-grain FMJ bullet sits in the middle of the common .40 S&W weight spectrum—heavier than 155-grain offerings but lighter than 180-grain duty loads—balancing recoil impulse with velocity retention. Muzzle velocity of 1050 fps is measured from a 4-inch test barrel, typical of service pistols in this chambering.
The Numbers

| Spec | Value |
|---|---|
| Caliber | 40 S&W |
| Bullet weight | 165 grains |
| Bullet type | Full Metal Jacket |
| Muzzle velocity | 1050 fps |
| Muzzle energy | 404 ft-lbs |
| Rounds/box | 50 |
| Case | Brass |
| Primer | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Intended use | Range & Target |
| Manufacturer | Blazer |
This load pairs well with duty-size pistols and compact carry frames in 40 cal ammo chamberings. The boxer primer and standard large pistol primer pocket make brass prep efficient for reloaders running progressive presses.
Safe Handling & Compliance
Federal law requires purchasers to be at least 18 years old for rifle and shotgun ammunition, and at least 21 for handgun ammunition. Ammunition cannot be shipped to certain states, counties, and cities — review our ammunition shipping restrictions before ordering. Store ammunition in a cool, dry location away from heat sources and out of reach of unauthorized users.
- Follow the four rules of firearm safety at all times—treat every firearm as loaded, never point at anything you are not willing to destroy, keep your finger off the trigger until ready to fire, and be certain of your target and what is beyond it.
- Verify that your jurisdiction permits purchase and possession of .40 S&W ammunition before ordering. State and local restrictions vary.
- This product contains lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.





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