---
title: "Federal American Eagle 5.7x28mm 40gr FMJ Lead-Free Primer, 50 Rounds"
description: "$48.94 at Prairie Fire Supply, 5% above usual."
type: "product"
category: "ammo"
brand: "Federal"
landed_price: 48.94
currency: "USD"
price_per_round_cents: 97.9
best_store: "Prairie Fire Supply"
deal_signal: "higher"
usual_price: 46.55
updated: "2026-10-19T12:45:00.000Z"
url: "https://trigger.deals/p/federal-american-eagle-57x28mm-40gr-fmj-lead-free-primer-50-rounds-4km"
site: "Trigger Deals"
data: "sample"
---

# Federal American Eagle 5.7x28mm 40gr FMJ Lead-Free Primer, 50 Rounds

> Lowest landed price: **$48.94** at Prairie Fire Supply (★ 4.1, 1,204 reviews), **97.9¢/rd**. 5% above usual (usual $46.55, the 90-day median). Stock not reported, verified 2026-10-19 12:45 UTC.

- Item price $38.99 + $9.95 shipping. Landed price excludes sales tax.
- 90-day range: $38.47 to $53.95
- 2-year low: $35.82 (Mar 6, 2025)
- Price unchanged for 9 days (since 2026-10-11 22:06 UTC)
- MSRP: $49.92 (2% off)
- Brand: Federal. Category: ammo.
- [Buy at Prairie Fire Supply](https://trigger.deals/go/federal-american-eagle-57x28mm-40gr-fmj-lead-free-primer-50-rounds-4km?store=prairie-fire-supply)

## Compare stores (7)

Ranked by landed price: the item plus shipping to you, before tax.

| Store | Rating | Landed price | Per round | Versus best | Item price | Shipping | Stock | Verified |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Prairie Fire Supply (best) | ★ 4.1 | $48.94 | 97.9¢ | Best price | $38.99 | $9.95 | Stock not reported | 2026-10-19 12:45 UTC |
| Big Sky Ammo | ★ 4.3 | $54.44 | $1.09 | +11.0¢/rd | $35.49 | $18.95 | In stock | 2026-10-19 12:16 UTC |
| Palisade Sporting Goods | ★ 4.2 | $54.48 | $1.09 | +11.1¢/rd | $29.49 | $24.99 | In stock | 2026-10-19 12:33 UTC |
| Northfork Firearms | ★ 4.7 | $54.98 | $1.10 | +12.1¢/rd | $29.99 | $24.99 | In stock | 2026-10-19 11:28 UTC |
| Blue Ridge Munitions | ★ 4.5 | $57.44 | $1.15 | +17.0¢/rd | $40.49 | $16.95 | In stock | 2026-10-19 12:11 UTC |
| Bulk Brass Depot | ★ 4.4 | $51.44 | $1.03 | – | $38.49 | $12.95 | Out of stock | 2026-10-19 10:22 UTC |
| Keystone Shooting Supply | ★ 4.8 | $52.94 | $1.06 | – | $42.99 | $9.95 | Out of stock | 2026-10-19 09:59 UTC |

## Price history

Lowest landed price across stores, weekly over the last 90 days (full daily history: [JSON API](https://trigger.deals/api/v1/products/federal-american-eagle-57x28mm-40gr-fmj-lead-free-primer-50-rounds-4km?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $46.55 |
| Aug 3, 2026 | $46.55 |
| Aug 10, 2026 | $46.20 |
| Aug 17, 2026 | $48.33 |
| Aug 24, 2026 | $53.95 |
| Aug 31, 2026 | $53.95 |
| Sep 7, 2026 | $45.75 |
| Sep 14, 2026 | $43.18 |
| Sep 21, 2026 | $45.88 |
| Sep 28, 2026 | $47.17 |
| Oct 5, 2026 | $39.75 |
| Oct 12, 2026 | $48.94 |
| Oct 19, 2026 | $48.94 |

## About this product

50 rounds of Federal American Eagle 5.7x28mm 40gr FMJ Lead-Free Primer: 5.7x28mm with 40 grains FMJ bullets and brass cases. Made for range and training. Some states require an age check or ship ammo only to a dealer; the store confirms at checkout.

## Specs

| Spec | Value |
| --- | --- |
| Caliber | 5.7x28mm |
| Bullet weight | 40 grains |
| Bullet type | FMJ |
| Case | Brass |
| Rounds | 50 |
| Use | Range and training |
| Variant | Lead-Free Primer |

## Sitemap

- [Home](https://trigger.deals/): today's drops and deals
- [Ammo prices by caliber](https://trigger.deals/ammo/prices): cheapest price per round today
- [Today's best deals](https://trigger.deals/deals)
- [Ammo](https://trigger.deals/ammo), [Guns](https://trigger.deals/guns), [Magazines](https://trigger.deals/magazines)
- [How we judge a deal](https://trigger.deals/how-it-works), [About](https://trigger.deals/about), [Contact](https://trigger.deals/contact), [Privacy](https://trigger.deals/privacy)
- [API and MCP for developers](https://trigger.deals/developers)
- [Full sitemap](https://trigger.deals/sitemap.md), [llms.txt](https://trigger.deals/llms.txt), [API (OpenAPI)](https://trigger.deals/openapi.json)