5.7x28mm Ammo Prices & Cost Per Round
211 listings tracked · 127 in stock, across 15 retailers. Retailer feeds are checked every 15 minutes.
5.7x28mm by Use Case
5.7x28mm Cost Per Round History
5.7x28mm Price by Month
| Month | Median cost per round | Lowest cost per round | Change |
|---|---|---|---|
| November 2026 | 95¢/rd | 51¢/rd | -1.0% |
| October 2026 | 96¢/rd | 51¢/rd | -1.6% |
| September 2026 | 98¢/rd | 48¢/rd | — |
| August 2026 | 98¢/rd | 48¢/rd | -0.3% |
| July 2026 | 98¢/rd | 48¢/rd | -2.1% |
| June 2026 | $1.00/rd | 54¢/rd | -1.9% |
| May 2026 | $1.02/rd | 40¢/rd | -2.0% |
| April 2026 | $1.04/rd | 40¢/rd | — |
Median and lowest observed cost per round per calendar month, from in-stock listings tracked across supported retailers.
Want the whole market instead of one caliber? The Ammo Price Index chains these monthly medians across a fixed 12-caliber basket into a single month-over-month benchmark.
Frequently Asked Questions
What is a good cost per round for 5.7x28mm?
The best cost per round we're currently tracking for 5.7x28mm is $0.51/round. A typical CPR across 86 tracked offers is $0.95/round. Prices vary by brand, grain weight, and retailer.
Is 5.7x28mm ammo cheap right now?
The typical cost per round for 5.7x28mm is $0.95. Over the past week, median prices are up 5.3% compared to the previous 23 days — a rising market. Set a price alert to get notified when prices drop.
How do 5.7x28mm prices vary by use case?
5.7x28mm ammo falls into different price tiers depending on intended use. Self-Defense has a median of 97¢/rd (best deal 75¢/rd across 9 products). Hunting has a median of 104¢/rd (best deal 55¢/rd across 6 products). Range / FMJ has a median of 58¢/rd (best deal 51¢/rd across 5 products).
How has 5.7x28mm price changed recently?
Over the past week, 5.7x28mm prices have risen 5.3% — the median cost per round moved from 96.7¢/rd to 101.8¢/rd. This is measured across in-stock products only and compares the last 7 days to the previous 23 days.
Where can I find the cheapest 5.7x28mm ammo?
Based on our tracking across 15 retailers, the cheapest 5.7x28mm ammo starting at $25.79/box. We compare prices from BattleHawk Armory, Bereli, Brownells, E-Commerce Arms and more.
Other Calibers
Compare 5.7x28mm ammo by cost per round. Open any product to see its full price history or set a price alert.