$1.30/rdUsually $1.49
$64.94 for 50
Save $9.34
.357 MagSolid copper, 20 rounds
Underwood Xtreme Defender .357 Magnum 158gr Solid copper Micro, 20 Rounds
- 158gr
- Solid copper
- Nickel
- 20 rds
$2.20/rd
$43.94 for 20
About usual: it usually sells for $2.14/rd, its median price over the last 90 days.
$28.99 + $14.95 shipping, before tax.
Ridgeline Arms
Lowest of 5 stores4.8 (18.2K), in stock,
Compare 6 stores
5 in stock.
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Per round | Versus best | Stock | Store link |
|---|---|---|---|---|
Ridgeline Arms4.8 4.8(18.2K)store rating | $2.20/rd$43.94 | Best price | In stock | Buy at Ridgeline Arms (opens in a new tab) |
 Granite Peak Supply4.6 4.6(6.4K)store rating | $2.22/rd$44.48 | +2.70¢/rd | In stock | Buy at Granite Peak Supply (opens in a new tab) |
 Ozark Range Supply4.6 4.6(13.4K)store rating | $2.37/rd$47.49 | +17.8¢/rd | In stock | Buy at Ozark Range Supply (opens in a new tab) |
 Keystone Shooting Supply4.8 4.8(24.5K)store rating | $2.42/rd$48.44 | +22.5¢/rd | In stock | Buy at Keystone Shooting Supply (opens in a new tab) |
 Westbound Armory4.7 4.7(4.6K)store rating | $2.45/rd$48.98 | +25.2¢/rd | In stock | Buy at Westbound Armory (opens in a new tab) |
 Coyote Trail Supply4.5 4.5(8.1K)store rating | $2.02/rd$40.44 | Not available | Out of stock | View at Coyote Trail Supply (opens in a new tab) |
Price history
The lowest price and each store's own, every day for 2 years.
- Usual
- $2.14/rd
- 90-day median
- 90-day low
- $1.76/rd
- 90-day high
- $2.39/rd
- 2-year low
- $1.76/rd
- Aug 21, 2026
- Unchanged for
- 12 days
- Since Oct 8, 2026
Every price change (121 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 8, 2026 | $2.20/rd | Down 7.9% |
| Oct 7, 2026 | $2.39/rd | Up 7.4% |
| Oct 2, 2026 | $2.22/rd | Up 7.2% |
| Sep 19, 2026 | $2.07/rd | Down 2.3% |
| Sep 18, 2026 | $2.12/rd | Down 2.9% |
| Sep 9, 2026 | $2.18/rd | Up 5.9% |
| Sep 6, 2026 | $2.06/rd | Down 3.8% |
| Aug 22, 2026 | $2.14/rd | Up 21.5% |
| Aug 21, 2026 | $1.76/rd | Down 1.0% |
| Aug 6, 2026 | $1.78/rd | Down 19.3% |
| Aug 2, 2026 | $2.21/rd | Up 17.1% |
| Aug 1, 2026 | $1.89/rd | Down 13.4% |
| Jul 30, 2026 | $2.18/rd | Up 2.5% |
| Jul 27, 2026 | $2.13/rd | Down 1.1% |
| Jul 14, 2026 | $2.15/rd | Down 0.4% |
| Jul 8, 2026 | $2.16/rd | Down 0.3% |
| Jul 7, 2026 | $2.16/rd | Down 6.9% |
| Jul 5, 2026 | $2.33/rd | Up 5.1% |
| Jun 28, 2026 | $2.21/rd | Down 1.2% |
| Jun 20, 2026 | $2.24/rd | Up 4.6% |
| Jun 15, 2026 | $2.14/rd | Down 5.5% |
| Jun 5, 2026 | $2.27/rd | Up 3.0% |
| Jun 4, 2026 | $2.20/rd | Down 0.6% |
| May 27, 2026 | $2.21/rd | Up 2.0% |
| May 22, 2026 | $2.17/rd | Up 3.6% |
| May 20, 2026 | $2.09/rd | Down 9.5% |
| May 11, 2026 | $2.31/rd | Up 3.6% |
| Apr 20, 2026 | $2.23/rd | Down 2.6% |
| Apr 19, 2026 | $2.29/rd | Up 2.1% |
| Apr 11, 2026 | $2.24/rd | Down 5.0% |
| Apr 10, 2026 | $2.36/rd | Up 18.3% |
| Apr 7, 2026 | $2.00/rd | Down 12.1% |
| Apr 5, 2026 | $2.27/rd | Up 13.3% |
| Mar 31, 2026 | $2.01/rd | Down 7.0% |
| Mar 21, 2026 | $2.16/rd | Up 8.0% |
| Mar 19, 2026 | $2.00/rd | Down 19.0% |
| Mar 16, 2026 | $2.47/rd | Up 1.1% |
| Mar 9, 2026 | $2.44/rd | Up 9.4% |
| Mar 6, 2026 | $2.23/rd | Up 1.0% |
| Mar 3, 2026 | $2.21/rd | Down 1.9% |
| Feb 28, 2026 | $2.25/rd | Up 18.3% |
| Feb 21, 2026 | $1.90/rd | Down 18.7% |
| Feb 16, 2026 | $2.34/rd | Up 5.3% |
| Feb 15, 2026 | $2.22/rd | Down 1.7% |
| Jan 31, 2026 | $2.26/rd | Up 1.5% |
| Jan 28, 2026 | $2.23/rd | Up 2.5% |
| Jan 19, 2026 | $2.17/rd | Down 5.5% |
| Jan 8, 2026 | $2.30/rd | Up 0.6% |
| Dec 30, 2025 | $2.29/rd | Up 1.6% |
| Dec 29, 2025 | $2.25/rd | Down 1.6% |
| Dec 24, 2025 | $2.29/rd | Up 0.5% |
| Dec 23, 2025 | $2.28/rd | Up 6.5% |
| Dec 22, 2025 | $2.14/rd | Down 5.8% |
| Dec 20, 2025 | $2.27/rd | Up 7.6% |
| Dec 14, 2025 | $2.11/rd | Down 7.3% |
| Dec 13, 2025 | $2.27/rd | Up 25.2% |
| Dec 9, 2025 | $1.81/rd | Down 16.8% |
| Dec 2, 2025 | $2.18/rd | Up 0.2% |
| Dec 1, 2025 | $2.18/rd | Down 2.0% |
| Nov 20, 2025 | $2.22/rd | Up 6.7% |
| Nov 7, 2025 | $2.08/rd | Down 9.5% |
| Oct 31, 2025 | $2.30/rd | Up 1.5% |
| Oct 30, 2025 | $2.26/rd | Down 1.6% |
| Oct 27, 2025 | $2.30/rd | Up 2.0% |
| Oct 26, 2025 | $2.26/rd | Down 1.1% |
| Oct 22, 2025 | $2.28/rd | Up 2.1% |
| Oct 21, 2025 | $2.23/rd | Down 2.3% |
| Sep 24, 2025 | $2.29/rd | Up 14.7% |
| Sep 15, 2025 | $1.99/rd | Up 3.0% |
| Sep 2, 2025 | $1.94/rd | Down 20.3% |
| Sep 1, 2025 | $2.43/rd | Up 5.4% |
| Aug 16, 2025 | $2.31/rd | Down 0.7% |
| Aug 8, 2025 | $2.32/rd | Down 8.6% |
| Aug 7, 2025 | $2.54/rd | Down 2.2% |
| Jul 24, 2025 | $2.60/rd | Up 14.5% |
| Jun 26, 2025 | $2.27/rd | Down 12.9% |
| Jun 1, 2025 | $2.61/rd | Up 10.7% |
| May 31, 2025 | $2.36/rd | Up 6.9% |
| May 30, 2025 | $2.20/rd | Down 5.5% |
| May 28, 2025 | $2.33/rd | Down 9.5% |
| May 27, 2025 | $2.58/rd | Up 13.1% |
| May 25, 2025 | $2.28/rd | Up 18.2% |
| May 22, 2025 | $1.93/rd | Down 18.6% |
| May 17, 2025 | $2.36/rd | Up 0.7% |
| May 13, 2025 | $2.35/rd | Up 6.7% |
| May 11, 2025 | $2.20/rd | Down 15.7% |
| Apr 24, 2025 | $2.61/rd | Up 13.1% |
| Apr 22, 2025 | $2.31/rd | Up 0.9% |
| Apr 16, 2025 | $2.29/rd | Down 4.4% |
| Apr 13, 2025 | $2.40/rd | Up 2.2% |
| Apr 12, 2025 | $2.34/rd | Up 2.1% |
| Apr 7, 2025 | $2.30/rd | Up 7.9% |
| Apr 6, 2025 | $2.13/rd | Down 1.8% |
| Apr 5, 2025 | $2.17/rd | Down 7.8% |
| Mar 31, 2025 | $2.35/rd | Up 0.6% |
| Mar 20, 2025 | $2.34/rd | Down 1.8% |
| Mar 17, 2025 | $2.38/rd | Up 0.2% |
| Mar 16, 2025 | $2.38/rd | Up 26.7% |
| Mar 14, 2025 | $1.88/rd | Down 19.5% |
| Mar 9, 2025 | $2.33/rd | Down 9.2% |
| Mar 8, 2025 | $2.57/rd | Up 9.6% |
| Mar 1, 2025 | $2.34/rd | Up 10.7% |
| Feb 25, 2025 | $2.12/rd | Down 9.0% |
| Feb 21, 2025 | $2.33/rd | Down 12.0% |
| Feb 16, 2025 | $2.64/rd | Up 28.6% |
| Feb 5, 2025 | $2.06/rd | Down 10.8% |
| Feb 1, 2025 | $2.31/rd | Down 0.5% |
| Jan 23, 2025 | $2.32/rd | Down 14.2% |
| Jan 17, 2025 | $2.70/rd | Up 6.9% |
| Jan 15, 2025 | $2.53/rd | Up 3.1% |
| Jan 7, 2025 | $2.45/rd | Up 15.1% |
| Jan 6, 2025 | $2.13/rd | Down 11.3% |
| Dec 25, 2024 | $2.40/rd | Down 8.4% |
| Dec 20, 2024 | $2.62/rd | Up 15.2% |
| Dec 18, 2024 | $2.27/rd | Down 4.9% |
| Dec 17, 2024 | $2.39/rd | Up 2.4% |
| Dec 10, 2024 | $2.34/rd | Down 4.7% |
| Dec 6, 2024 | $2.45/rd | Up 19.8% |
| Nov 30, 2024 | $2.05/rd | Up 0.1% |
| Nov 11, 2024 | $2.04/rd | Up 5.6% |
| Oct 24, 2024 | $1.94/rd | Down 19.0% |
About this product
20 rounds of Underwood Xtreme Defender .357 Magnum 158gr Solid copper Micro: .357 Magnum with 158 grains Solid copper bullets and nickel-plated brass cases. Made for self-defense. Some states require an age check or ship ammo only to a dealer; the store confirms at checkout.
- Caliber
- .357 Magnum
- Bullet weight
- 158 grains
- Bullet type
- Solid copper
- Case
- Nickel-plated brass
- Rounds
- 20
- Use
- Self-defense
- Variant
- Micro
$2.20/rd
at Ridgeline Arms