20 Gauge Ammo Prices & Cost Per Round

Real-time price tracking across 1 retailer. Updated every 2 hours.

2
Products Tracked
$1.94/rd
Best CPR →
$9.69
Cheapest Box →
2
In Stock
2026-09-24
Last Updated
20 Gauge is up 2.6% in the last 7 days (current median 82.0¢/rd vs prior 23-day median 80.0¢/rd)
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Track 20 Gauge ammo cost per round in real time across 1 retailer. We're monitoring 2 20 Gauge products (2 priced offers with CPR data) with box prices starting at $9.69. 20 Gauge prices are up 2.6% over the past week compared to the previous three weeks. Prices are updated every 2 hours. Click any product to see its full price history and set a price drop alert.

20 Gauge Cost Per Round History

20 Gauge Price by Month

Month Median CPR Lowest CPR Change
September 2026 80.0¢/rd 32.0¢/rd
August 2026 80.0¢/rd 32.0¢/rd +0.7%
July 2026 79.4¢/rd 32.0¢/rd +4.0%
June 2026 76.4¢/rd 32.0¢/rd +0.5%
May 2026 76.0¢/rd 28.0¢/rd -0.8%
April 2026 76.6¢/rd 36.0¢/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

How has 20 Gauge price changed recently?

Over the past week, 20 Gauge prices have risen 2.6% — the median cost per round moved from 80.0¢/rd to 82.0¢/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 20 Gauge ammo?

Based on our real-time tracking across 1 retailer, the cheapest 20 Gauge ammo starting at $9.69/box. We compare prices from GrabAGun and more.