$1.30/rdUsually $1.49
$64.94 for 50
Save $9.34
.357 MagSolid copper, 20 rounds
Underwood Xtreme Defender .357 Magnum 125gr Solid copper, 20 Rounds
- 125gr
- Solid copper
- Nickel
- 20 rds
$2.15/rd
$42.94 for 20
About usual: it usually sells for $2.09/rd, its median price over the last 90 days.
$27.99 + $14.95 shipping, before tax.
Frontier Ammo Works
Lowest of 6 stores4.4 (6.2K), in stock,
Compare 7 stores
6 in stock.
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Per round | Versus best | Stock | Store link |
|---|---|---|---|---|
Frontier Ammo Works4.4 4.4(6.2K)store rating | $2.15/rd$42.94 | Best price | In stock | Buy at Frontier Ammo Works (opens in a new tab) |
 Blue Ridge Munitions4.5 4.5(15.7K)store rating | $2.40/rd$47.90 | +24.8¢/rd | In stock | Buy at Blue Ridge Munitions (opens in a new tab) |
 Ozark Range Supply4.6 4.6(13.4K)store rating | $2.42/rd$48.49 | +27.7¢/rd | In stock | Buy at Ozark Range Supply (opens in a new tab) |
 Northfork Firearms4.7 4.7(7.3K)store rating | $2.55/rd$50.98 | +40.2¢/rd | Only 5 left | Buy at Northfork Firearms (opens in a new tab) |
 Copper Creek Ammo4.7 4.7(31.6K)store rating | $2.55/rd$50.99 | +40.3¢/rd | In stock | Buy at Copper Creek Ammo (opens in a new tab) |
 Palisade Sporting Goods4.2 4.2(52.8K)store rating | $2.75/rd$54.94 | +60.0¢/rd | In stock | Buy at Palisade Sporting Goods (opens in a new tab) |
 Big Sky Ammo4.3 4.3(2.7K)store rating | $2.20/rd$43.94 | Not available | Out of stock | View at Big Sky Ammo (opens in a new tab) |
Price history
The lowest price and each store's own, every day for 2 years.
- Usual
- $2.09/rd
- 90-day median
- 90-day low
- $1.79/rd
- 90-day high
- $2.36/rd
- 2-year low
- $1.69/rd
- Jul 17, 2026
- Unchanged for
- 1 day
- Changed today
Every price change (121 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 19, 2026 | $2.15/rd | Up 5.0% |
| Oct 11, 2026 | $2.04/rd | Down 3.6% |
| Oct 10, 2026 | $2.12/rd | Up 18.7% |
| Oct 2, 2026 | $1.79/rd | Down 14.0% |
| Sep 23, 2026 | $2.08/rd | Down 6.4% |
| Sep 21, 2026 | $2.22/rd | Up 4.0% |
| Aug 28, 2026 | $2.14/rd | Up 0.7% |
| Aug 14, 2026 | $2.12/rd | Down 10.3% |
| Aug 13, 2026 | $2.36/rd | Up 25.5% |
| Aug 9, 2026 | $1.88/rd | Down 10.0% |
| Jul 23, 2026 | $2.09/rd | Up 0.5% |
| Jul 20, 2026 | $2.08/rd | Up 17.9% |
| Jul 18, 2026 | $1.77/rd | Up 4.3% |
| Jul 10, 2026 | $1.69/rd | Down 20.1% |
| Jul 7, 2026 | $2.12/rd | Up 0.4% |
| Jul 3, 2026 | $2.11/rd | Up 4.3% |
| Jun 28, 2026 | $2.03/rd | Down 1.5% |
| Jun 26, 2026 | $2.06/rd | Up 15.0% |
| Jun 17, 2026 | $1.79/rd | Down 11.8% |
| Jun 13, 2026 | $2.03/rd | Down 2.8% |
| Jun 5, 2026 | $2.09/rd | Up 5.5% |
| Jun 2, 2026 | $1.98/rd | Down 9.2% |
| May 28, 2026 | $2.18/rd | Up 20.5% |
| May 26, 2026 | $1.81/rd | Down 16.3% |
| May 23, 2026 | $2.16/rd | Down 4.4% |
| May 11, 2026 | $2.26/rd | Up 4.6% |
| May 10, 2026 | $2.16/rd | Up 0.6% |
| May 4, 2026 | $2.15/rd | Down 1.9% |
| Apr 6, 2026 | $2.19/rd | Up 2.0% |
| Apr 2, 2026 | $2.15/rd | Up 4.1% |
| Mar 29, 2026 | $2.06/rd | Up 19.0% |
| Mar 22, 2026 | $1.73/rd | Down 21.5% |
| Mar 12, 2026 | $2.21/rd | Down 3.4% |
| Mar 11, 2026 | $2.28/rd | Down 6.5% |
| Feb 24, 2026 | $2.44/rd | Up 33.6% |
| Feb 18, 2026 | $1.83/rd | Down 23.0% |
| Feb 13, 2026 | $2.37/rd | Up 11.3% |
| Feb 9, 2026 | $2.13/rd | Down 3.9% |
| Feb 8, 2026 | $2.22/rd | Up 6.2% |
| Feb 7, 2026 | $2.09/rd | Down 0.5% |
| Jan 27, 2026 | $2.10/rd | Up 2.0% |
| Jan 23, 2026 | $2.06/rd | Up 12.9% |
| Jan 22, 2026 | $1.82/rd | Down 10.0% |
| Jan 11, 2026 | $2.03/rd | Up 14.6% |
| Jan 10, 2026 | $1.77/rd | Down 21.1% |
| Jan 3, 2026 | $2.24/rd | Up 5.2% |
| Dec 25, 2025 | $2.13/rd | Up 10.4% |
| Nov 30, 2025 | $1.93/rd | Down 19.4% |
| Nov 28, 2025 | $2.39/rd | Down 3.6% |
| Nov 13, 2025 | $2.49/rd | Up 3.1% |
| Nov 2, 2025 | $2.41/rd | Up 18.8% |
| Nov 1, 2025 | $2.03/rd | Down 5.5% |
| Oct 24, 2025 | $2.15/rd | Up 1.1% |
| Oct 22, 2025 | $2.12/rd | Up 2.4% |
| Oct 13, 2025 | $2.08/rd | Down 4.0% |
| Oct 11, 2025 | $2.16/rd | Up 1.1% |
| Oct 10, 2025 | $2.14/rd | Down 0.1% |
| Oct 1, 2025 | $2.14/rd | Up 16.2% |
| Sep 18, 2025 | $1.84/rd | Down 12.2% |
| Sep 7, 2025 | $2.10/rd | Down 2.1% |
| Sep 5, 2025 | $2.14/rd | Up 9.4% |
| Sep 4, 2025 | $1.96/rd | Down 8.4% |
| Aug 11, 2025 | $2.14/rd | Down 0.2% |
| Aug 8, 2025 | $2.14/rd | Up 0.6% |
| Aug 6, 2025 | $2.13/rd | Down 1.5% |
| Jul 26, 2025 | $2.16/rd | Down 0.5% |
| Jul 21, 2025 | $2.17/rd | Down 10.9% |
| Jul 18, 2025 | $2.44/rd | Up 14.6% |
| Jul 11, 2025 | $2.13/rd | Down 5.5% |
| Jul 9, 2025 | $2.25/rd | Up 6.0% |
| Jul 5, 2025 | $2.12/rd | Down 0.2% |
| Jul 4, 2025 | $2.13/rd | Up 15.1% |
| Jun 27, 2025 | $1.85/rd | Down 14.7% |
| Jun 25, 2025 | $2.17/rd | Down 0.5% |
| Jun 24, 2025 | $2.18/rd | Down 13.3% |
| Jun 9, 2025 | $2.51/rd | Up 41.8% |
| Jun 7, 2025 | $1.77/rd | Down 19.1% |
| Jun 5, 2025 | $2.19/rd | Up 0.5% |
| May 28, 2025 | $2.18/rd | Up 1.9% |
| May 24, 2025 | $2.14/rd | Down 2.9% |
| May 21, 2025 | $2.20/rd | Up 2.8% |
| May 6, 2025 | $2.14/rd | Down 2.5% |
| May 4, 2025 | $2.20/rd | Up 3.4% |
| Apr 21, 2025 | $2.13/rd | Down 0.2% |
| Apr 12, 2025 | $2.13/rd | Down 1.6% |
| Apr 6, 2025 | $2.17/rd | Down 3.8% |
| Mar 31, 2025 | $2.25/rd | Up 2.3% |
| Mar 30, 2025 | $2.20/rd | Down 3.6% |
| Mar 28, 2025 | $2.28/rd | Up 9.9% |
| Mar 27, 2025 | $2.08/rd | Down 8.5% |
| Mar 23, 2025 | $2.27/rd | Up 2.2% |
| Mar 22, 2025 | $2.22/rd | Down 8.7% |
| Mar 18, 2025 | $2.43/rd | Up 13.4% |
| Mar 17, 2025 | $2.14/rd | Down 11.5% |
| Mar 15, 2025 | $2.42/rd | Up 11.5% |
| Mar 9, 2025 | $2.17/rd | Up 15.3% |
| Mar 7, 2025 | $1.88/rd | Down 24.8% |
| Mar 5, 2025 | $2.51/rd | Up 14.9% |
| Feb 26, 2025 | $2.18/rd | Down 0.5% |
| Feb 22, 2025 | $2.19/rd | Up 3.7% |
| Feb 7, 2025 | $2.11/rd | Up 0.1% |
| Feb 6, 2025 | $2.11/rd | Down 1.7% |
| Feb 4, 2025 | $2.15/rd | Up 0.5% |
| Jan 14, 2025 | $2.14/rd | Up 16.4% |
| Jan 12, 2025 | $1.84/rd | Down 14.0% |
| Jan 9, 2025 | $2.14/rd | Down 13.5% |
| Jan 2, 2025 | $2.47/rd | Up 12.0% |
| Jan 1, 2025 | $2.20/rd | Up 2.7% |
| Dec 30, 2024 | $2.15/rd | Down 6.6% |
| Dec 27, 2024 | $2.30/rd | Up 5.2% |
| Dec 21, 2024 | $2.18/rd | Up 19.9% |
| Dec 9, 2024 | $1.82/rd | Down 16.7% |
| Dec 7, 2024 | $2.19/rd | Down 0.7% |
| Dec 2, 2024 | $2.20/rd | Down 11.8% |
| Nov 29, 2024 | $2.50/rd | Up 15.0% |
| Nov 28, 2024 | $2.17/rd | Down 2.2% |
| Nov 24, 2024 | $2.22/rd | Up 9.8% |
| Nov 13, 2024 | $2.02/rd | Down 7.8% |
| Nov 8, 2024 | $2.19/rd | Up 0.3% |
| Nov 6, 2024 | $2.18/rd | Down 0.3% |
| Nov 1, 2024 | $2.19/rd | Up 0.3% |
About this product
20 rounds of Underwood Xtreme Defender .357 Magnum 125gr Solid copper: .357 Magnum with 125 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
- 125 grains
- Bullet type
- Solid copper
- Case
- Nickel-plated brass
- Rounds
- 20
- Use
- Self-defense
$2.15/rd
at Frontier Ammo Works