Last reviewed: 2026-04-17 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
Federal American Eagle 40 S&W 155 grain Full Metal Jacket ammunition is purpose-built for range and target work — the same load specs Federal uses in its Premium lines, trimmed to a training-friendly price. Chambered in 40 S&W, this 155-grain FMJ exits the muzzle at 1140 feet per second with 447 foot-pounds of energy, delivering flat trajectory and manageable recoil across Glock 22/23, SIG P229, and M&P platforms. Federal loads these rounds in Anoka, Minnesota, using Boxer-primed brass cases that reload without drama and non-corrosive primers that keep your barrel and chamber free of salt residue after high-volume sessions.
Performance at a Glance
Federal American Eagle sources its brass domestically and draws on the same quality-control systems that drive Federal’s law-enforcement contracts. The 155-grain projectile sits at the lighter end of the 40 S&W spectrum — faster than 180-grain loads, softer on the wrist than 135-grain screamer rounds — making it a practical middle ground for shooters who want velocity without excessive snap. Boxer primers mean you can decap, resize, and seat new bullets when you’re ready to roll your own; non-corrosive formulation means you can shoot a case on Saturday and clean Sunday without pitting concerns.
Specs at a Glance
| Spec | Value |
|---|---|
| Caliber | 40 S&W |
| Bullet weight | 155 grains |
| Bullet type | Full Metal Jacket |
| Muzzle velocity | 1140 fps |
| Muzzle energy | 447 ft-lbs |
| Rounds/box | 50 |
| Case | Brass |
| Primer | Boxer, non-corrosive |
| Reloadable | Yes |
| Intended use | Range & Target |
| Manufacturer | Federal (Anoka, MN, USA) |
Federal American Eagle earns its place on range bags because it cycles reliably in short-recoil pistols, groups predictably at 7–25 yards, and leaves your wallet intact after a 200-round afternoon. If you run a duty-sized 40 and need brass you can trust without paying match-grade premiums, this load does the job. More training loads in this caliber live in our 40 cal ammo category.
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.
- Treat every firearm as loaded; keep muzzle pointed in a safe direction at all times.
- Verify current federal, state, and local ammunition purchasing and possession laws in your jurisdiction.
- This product contains lead; California Prop 65 requires disclosure of potential cancer and reproductive harm — www.P65Warnings.ca.gov.
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