Ammo Price Index / Today
Today’s Ammo Market
Today's observed ammunition market from tracked online retailers: the largest 7-day changes in observed daily-best median cost per round, the lowest cost-per-round today by category, calibers at multi-month tracked lows or highs, and the largest tracked in-stock product-count changes. The median 7-day move across the 39 eligible tracked calibers was +0.1%. Every figure is an observed fact from tracked data, updated with the daily rebuild.
Last updated: Sep 7, 2026 · 39 eligible calibers
Biggest 7-Day Moves (Observed Daily-Best Median)
| Caliber | 7-day change | Median $/rd (7d ago → now) |
|---|---|---|
| 7x57mm Mauser | -12.4% | $1.60 → $1.40 |
| .45 ACP | -3.3% | $0.860 → $0.832 |
| .40 S&W | -0.7% | $0.560 → $0.556 |
| .357 SIG | -0.6% | $1.05 → $1.04 |
| .270 Winchester | -0.2% | $1.90 → $1.90 |
| Caliber | 7-day change | Median $/rd (7d ago → now) |
|---|---|---|
| .30 Super Carry | +17.9% | $0.390 → $0.460 |
| .25 ACP | +7.7% | $0.520 → $0.560 |
| .380 ACP | +7.3% | $0.619 → $0.664 |
| .300 PRC | +3.6% | $2.92 → $3.03 |
| .300 Blackout | +2.7% | $1.25 → $1.28 |
7x57mm Mauser: observed daily-best median fell -12.4% over 7 days among tracked retailers ($1.597 to $1.399 per round). That runs against the +0.1% median 7-day move of the tracked calibers.
.45 ACP: observed daily-best median fell -3.3% over 7 days among tracked retailers ($0.860 to $0.832 per round). Over 30 days it moved -16.6%. Its current 30-day median is at a 2-month tracked low, below every sufficient monthly median since 2026-07.
.40 S&W: observed daily-best median held roughly flat -0.7% over 7 days among tracked retailers ($0.560 to $0.556 per round). Over 30 days it moved -4.3%. Its current 30-day median is at a 2-month tracked low, below every sufficient monthly median since 2026-07.
.357 SIG: observed daily-best median held roughly flat -0.6% over 7 days among tracked retailers ($1.050 to $1.044 per round).
.270 Winchester: observed daily-best median held roughly flat -0.2% over 7 days among tracked retailers ($1.899 to $1.895 per round). Over 30 days it moved +2.5%.
.30 Super Carry: observed daily-best median rose +17.9% over 7 days among tracked retailers ($0.390 to $0.460 per round). Its current 30-day median is at a 1-month tracked high, above every sufficient monthly median since 2026-08.
.25 ACP: observed daily-best median rose +7.7% over 7 days among tracked retailers ($0.520 to $0.560 per round). Over 30 days it moved +9.3%. Its current 30-day median is at a 1-month tracked high, above every sufficient monthly median since 2026-07.
.380 ACP: observed daily-best median rose +7.3% over 7 days among tracked retailers ($0.619 to $0.664 per round). Over 30 days it moved +10.9%. Its current 30-day median is at a 2-month tracked high, above every sufficient monthly median since 2026-07.
.300 PRC: observed daily-best median rose +3.6% over 7 days among tracked retailers ($2.925 to $3.030 per round). Over 30 days it moved +8.2%. Its current 30-day median is at a 1-month tracked high, above every sufficient monthly median since 2026-07.
.300 Blackout: observed daily-best median rose +2.7% over 7 days among tracked retailers ($1.250 to $1.284 per round). Over 30 days it moved +14.1%.
Lowest Cost Per Round Today (Tracked Retailers)
Handgun: 9mm Luger $0.145/rd — the lowest observed cost per round today among tracked handgun calibers (7-day observed low, 21 tracked retailers).
Rifle: .308 Winchester $0.410/rd — the lowest observed cost per round today among tracked rifle calibers (7-day observed low, 21 tracked retailers).
Rimfire: .22 LR $0.0618/rd — the lowest observed cost per round today among tracked rimfire calibers (7-day observed low, 20 tracked retailers).
Shotgun: 12 Gauge $0.270/rd — the lowest observed cost per round today among tracked shotgun calibers (7-day observed low, 21 tracked retailers).
Calibers at Multi-Month Tracked Lows & Highs
- .308 Winchester: current 30-day observed daily-best median ($1.649 per round) is at a 2-month tracked high — above every sufficient monthly median since 2026-07.
- 7.62x39: current 30-day observed daily-best median ($0.799 per round) is at a 2-month tracked high — above every sufficient monthly median since 2026-07.
- .380 ACP: current 30-day observed daily-best median ($0.664 per round) is at a 2-month tracked high — above every sufficient monthly median since 2026-07.
- 20 Gauge: current 30-day observed daily-best median ($0.888 per round) is at a 2-month tracked high — above every sufficient monthly median since 2026-07.
- .410 Bore: current 30-day observed daily-best median ($0.840 per round) is at a 2-month tracked high — above every sufficient monthly median since 2026-07.
Availability Watch (Tracked In-Stock Product Counts)
- .410 Bore: tracked in-stock product count moved -12.3% over 7 days (284 to 249 products).
- .300 PRC: tracked in-stock product count moved -12.2% over 7 days (41 to 36 products).
- .22 LR: tracked in-stock product count moved -9.9% over 7 days (345 to 311 products).
- .22 WMR: tracked in-stock product count moved -9.8% over 7 days (174 to 157 products).
- .35 Remington: tracked in-stock product count moved -9.4% over 7 days (32 to 29 products).
Related
As of September 2026. IronScout reports observed prices only.