The AmmoSpotter Ammo Price Index

A live cost-per-round benchmark for every major cartridge, built from our own listing database rather than from manufacturer MSRP. Updated continuously.

Published Reviewed October 2026 4 min read
The AmmoSpotter Ammo Price Index

Most published ammunition pricing is one of two things: manufacturer MSRP, which nobody pays, or a hand-updated article that was accurate the week it was written.

This page is neither. Every figure below is computed at page load from the live retail listings in our database — the same listings that power the deal pages on this site. When the market moves, this page moves.

Methodology

We track live retail listings across the ammunition retailers we monitor. For every listing that publishes a round count, we compute:

price per round = lowest current price / round count

That figure is stored on the listing and recalculated whenever the price changes. We also write a price-history record on every change, which is what makes the trend figures possible.

Three deliberate choices shape these numbers:

  1. Only in-stock listings count. An out-of-stock listing at a great price is not a price, it is a memory. Listings with no active vendor are excluded, as are storage cases, loose projectiles, unprimed brass and reloading components that carry a caliber but are not ammunition.
  2. Only ammunition counts. Cost per round is meaningless on a firearm or a magazine, so the metric is gated to ammunition products.
  3. No MSRP, ever. Every figure traces to a price a retailer is currently asking.

Handgun cartridges

9mm Luger Price Index

Live · Oct 10, 2026
Market floor / round
$0.240
Market average
$0.743
Lowest box price
$9.99
30-day trend
▲ 1.2%

9mm is the benchmark cartridge for the entire handgun market. It is the highest-production, most price-competitive round in America, and it usually shows the widest gap between the cheapest listing and the market average — which is another way of saying it rewards comparison more than any other caliber. Full guide: best 9mm ammo.

.45 ACP Price Index

Live · Oct 10, 2026
Market floor / round
$0.376
Market average
$1.076
Lowest box price
$12.29
30-day trend
▲ 0.7%

.380 ACP Price Index

Live · Oct 10, 2026
Market floor / round
$0.308
Market average
$0.863
Lowest box price
$10.39
30-day trend
▲ 2.0%

.380 ACP consistently prices above 9mm despite being a smaller cartridge — lower production volume beats material cost. See 9mm vs .45 ACP for the cost comparison that matters most to high-volume shooters.

.38 Special Price Index

Live · Oct 10, 2026
Market floor / round
$0.420
Market average
$0.916
Lowest box price
$15.99
30-day trend
▲ 2.8%

10mm Auto Price Index

Live · Oct 10, 2026
Market floor / round
$0.434
Market average
$1.237
Lowest box price
$12.69
30-day trend
▲ 2.2%

Rifle cartridges

.223 / 5.56 NATO Price Index

Live · Oct 10, 2026
Market floor / round
$0.450
Market average
$1.050
Lowest box price
$6.99
30-day trend
▲ 1.2%

The AR-15's cartridge, and the rifle round with the most price volatility in the market. Practice-grade 55gr sits at the bottom of this range; match ammunition sits several times higher. Full guide: best 5.56 and .223 ammo.

.308 / 7.62 NATO Price Index

Live · Oct 10, 2026
Market floor / round
$0.650
Market average
$1.944
Lowest box price
$11.99
30-day trend
▲ 1.7%

7.62x39mm Price Index

Live · Oct 10, 2026
Market floor / round
$0.350
Market average
$1.215
Lowest box price
$6.99
30-day trend
▲ 2.2%

6.5 Creedmoor Price Index

Live · Oct 10, 2026
Market floor / round
$0.950
Market average
$1.951
Lowest box price
$18.19
30-day trend
▲ 1.7%

6.5 Creedmoor is a useful case study in what factory match ammunition costs: the cartridge is produced almost entirely in premium loadings, so its market average sits far above cartridges with a large budget-practice segment.

.300 Blackout Price Index

Live · Oct 10, 2026
Market floor / round
$0.700
Market average
$1.437
Lowest box price
$12.89
30-day trend
▲ 0.8%

.30-06 Springfield Price Index

Live · Oct 10, 2026
Market floor / round
$0.850
Market average
$1.905
Lowest box price
$16.99
30-day trend
▲ 1.8%

Rimfire

.22 LR Price Index

Live · Oct 10, 2026
Market floor / round
$0.058
Market average
$0.162
Lowest box price
$2.99
30-day trend
▼ 2.8%

.22 LR remains the cheapest meaningful trigger time available by an enormous margin. For anyone whose training is round-count limited rather than time limited, this is the number that should shape their practice plan.

Shotshells

12 Gauge Price Index

Live · Oct 10, 2026
Market floor / round
$0.360
Market average
$1.009
Lowest box price
$6.09
30-day trend
▲ 3.4%

20 Gauge Price Index

Live · Oct 10, 2026
Market floor / round
$0.368
Market average
$0.922
Lowest box price
$7.92
30-day trend
▲ 2.2%

Shotshell pricing is the most misleading category in the market, because pack sizes vary from 5-round defensive packs to 250-round flats. Per-shell cost is the only honest comparison, and it routinely reveals that the "cheap" 25-round box is worse value than the flat.

What actually moves these numbers

Component supply. Primers are the historical bottleneck. When primer supply tightens, everything moves, and handloading stops being a hedge.

Production allocation. Manufacturers shift line capacity between calibers based on demand. A caliber that gets deprioritized climbs regardless of raw material costs.

Retail promotional cycles. Most of the day-to-day spread you see between the cheapest listing and the average is not supply — it is retailers running independent promotions.

Demand shocks. Political events and supply anxiety drive demand faster than production can respond. The tell is a compressing gap between cheapest and average: when everything sells through, the promotional floor disappears first.

Using this data

If you are buying today, compare the market-floor figure for your caliber against what you are about to pay. If you are within a few percent of the floor, buy. If you are near the average, you have room to do better.

If you are stocking up, watch the trend figure. Buying into a rising market is how people end up with expensive ammunition they bought in a panic.

If you are planning training, use these numbers to build an honest annual budget. Round count times cost per round is your training cost, and it is usually the constraint people are actually operating under.

Cost Per Round Calculator

The only number that matters when comparing ammo. Shipping included.

Your true cost per round
$0.500

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Citing this data

These figures are free to cite in articles, videos and reports with attribution and a link to this page. Please link rather than reproducing a snapshot — the numbers change, and a stale figure attributed to us is worse than no figure at all.

AmmoSpotter earns a commission when you buy through links on this page. It never changes what you pay, and it never decides what we recommend — our picks are ranked on live cost-per-round data pulled from every retailer we track. Full disclosure.

Frequently Asked Questions

Where does this ammo price data come from?+
From our own listing database. We track live retail listings across the retailers we monitor, record a price history entry every time a listing's price changes, and compute cost per round on every ammunition SKU that publishes a round count. The figures on this page are calculated from those listings at page load - they are not manually updated estimates and they are not manufacturer MSRP.
How often is the ammo price index updated?+
The cheapest, average and lowest-box figures are computed live every time the page is rendered. The 30-day direction compares the trailing week's average against the same measure three weeks earlier, using our stored price history.
Why is the cheapest price so much lower than the average?+
Because retailers run promotions on independent schedules against broadly similar wholesale supply. On any given day some listings are at a promotional low while most sit at standard pricing. That spread is not noise - it is the entire practical value of comparing before buying.
Are ammo prices going up or down?+
It varies by caliber, which is why we publish per-caliber direction rather than a single market number. Check the 30-day trend figure on each index block below - a rising figure means the trailing week has averaged higher than three weeks prior across the listings we track.
Can I use this data in an article or report?+
Yes, with attribution and a link back to this page. We would rather people cite the live figures than reproduce a stale snapshot.

Shop the data

AmmoSpotter Research Desk

About the author

AmmoSpotter Research Desk

Price & Ballistics Research

The AmmoSpotter Research Desk analyzes live retail pricing across every ammunition, firearm and accessory listing we track. Recommendations here are ranked against real cost-per-round data pulled daily from the retailers we monitor - not against manufacturer marketing copy.

  • ✓Tracks 180,000+ live product listings across 6 retailer feeds
  • ✓Records price history on every listing, every day
  • ✓Cost-per-round methodology applied to all ammunition rankings
  • ✓No product is ranked without a verifiable in-stock retail price
  • ✓Affiliate relationships never influence rankings

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