$1.30/rdUsually $1.69
$64.94 for 50
Save $19.42
10mmSolid copper, 20 rounds
Underwood Xtreme Defender 10mm Auto 155gr Solid copper Micro, 20 Rounds
- 155gr
- Solid copper
- Nickel
- 20 rds
$2.50/rd
$49.94 for 20
About usual: it usually sells for $2.50/rd, its median price over the last 90 days.
$34.99 + $14.95 shipping, before tax.
Frontier Ammo Works
Lowest of 3 stores4.4 (6.2K), only 7 left,
Compare 4 stores
3 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 | $2.50/rd$49.94 | Best price | Only 7 left | Buy at Frontier Ammo Works (opens in a new tab) |
 Badlands Tactical4.3 4.3(2.9K)store rating | $2.55/rd$50.94 | +5.00¢/rd | Not reported | Buy at Badlands Tactical (opens in a new tab) |
 Westbound Armory4.7 4.7(4.6K)store rating | $2.65/rd$52.98 | +15.2¢/rd | In stock | Buy at Westbound Armory (opens in a new tab) |
 Riverbend Ammo Co.4.7 4.7(19.8K)store rating | $2.42/rd$48.44 | Not available | Out of stock | View at Riverbend Ammo Co. (opens in a new tab) |
Price history
The lowest price and each store's own, every day for 2 years.
- Usual
- $2.50/rd
- 90-day median
- 90-day low
- $1.96/rd
- 90-day high
- $2.53/rd
- 2-year low
- $1.96/rd
- Sep 4, 2026
- Unchanged for
- 45 days
- Since Sep 5, 2026
Every price change (120 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Sep 5, 2026 | $2.50/rd | Up 27.6% |
| Sep 4, 2026 | $1.96/rd | Down 22.8% |
| Sep 3, 2026 | $2.53/rd | Up 6.1% |
| Aug 18, 2026 | $2.39/rd | Down 2.4% |
| Aug 5, 2026 | $2.45/rd | Up 16.4% |
| Jul 28, 2026 | $2.10/rd | Down 7.2% |
| Jul 18, 2026 | $2.26/rd | Down 5.7% |
| Jul 16, 2026 | $2.40/rd | Down 4.7% |
| Jun 30, 2026 | $2.52/rd | Up 16.4% |
| Jun 28, 2026 | $2.16/rd | Down 12.6% |
| Jun 22, 2026 | $2.48/rd | Up 0.8% |
| Jun 15, 2026 | $2.46/rd | Down 0.9% |
| Jun 14, 2026 | $2.48/rd | Down 2.9% |
| Jun 12, 2026 | $2.55/rd | Up 25.8% |
| Jun 10, 2026 | $2.03/rd | Down 10.8% |
| Jun 8, 2026 | $2.27/rd | Up 12.2% |
| Jun 4, 2026 | $2.03/rd | Down 19.7% |
| May 18, 2026 | $2.52/rd | Up 22.5% |
| May 16, 2026 | $2.06/rd | Down 17.1% |
| May 12, 2026 | $2.48/rd | Down 4.6% |
| May 7, 2026 | $2.60/rd | Up 1.2% |
| May 2, 2026 | $2.57/rd | Down 4.4% |
| May 1, 2026 | $2.69/rd | Up 4.7% |
| Apr 29, 2026 | $2.57/rd | Down 1.6% |
| Apr 28, 2026 | $2.61/rd | Down 11.3% |
| Apr 26, 2026 | $2.94/rd | Up 12.5% |
| Apr 22, 2026 | $2.62/rd | Up 5.0% |
| Apr 16, 2026 | $2.49/rd | Down 1.7% |
| Apr 14, 2026 | $2.53/rd | Down 0.7% |
| Apr 11, 2026 | $2.55/rd | Up 23.6% |
| Apr 2, 2026 | $2.07/rd | Down 9.3% |
| Mar 29, 2026 | $2.28/rd | Down 12.2% |
| Mar 22, 2026 | $2.59/rd | Up 3.0% |
| Mar 15, 2026 | $2.52/rd | Up 1.9% |
| Mar 12, 2026 | $2.47/rd | Down 4.2% |
| Mar 11, 2026 | $2.58/rd | Down 1.9% |
| Mar 10, 2026 | $2.63/rd | Down 0.9% |
| Mar 8, 2026 | $2.65/rd | Up 19.0% |
| Feb 11, 2026 | $2.23/rd | Down 12.2% |
| Feb 6, 2026 | $2.54/rd | Up 7.1% |
| Feb 5, 2026 | $2.37/rd | Down 8.0% |
| Feb 2, 2026 | $2.58/rd | Down 1.7% |
| Jan 28, 2026 | $2.62/rd | Down 0.6% |
| Jan 25, 2026 | $2.64/rd | Down 0.2% |
| Jan 24, 2026 | $2.64/rd | Up 0.1% |
| Jan 22, 2026 | $2.64/rd | Up 11.6% |
| Jan 21, 2026 | $2.36/rd | Down 21.0% |
| Jan 12, 2026 | $2.99/rd | Up 14.3% |
| Jan 9, 2026 | $2.62/rd | Up 0.4% |
| Dec 29, 2025 | $2.61/rd | Down 0.8% |
| Dec 26, 2025 | $2.63/rd | Up 2.1% |
| Dec 11, 2025 | $2.58/rd | Down 0.6% |
| Dec 7, 2025 | $2.59/rd | Down 4.3% |
| Nov 23, 2025 | $2.71/rd | Up 1.8% |
| Nov 17, 2025 | $2.66/rd | Up 0.4% |
| Oct 25, 2025 | $2.65/rd | Down 0.2% |
| Oct 15, 2025 | $2.65/rd | Down 10.5% |
| Oct 14, 2025 | $2.96/rd | Up 11.9% |
| Oct 11, 2025 | $2.65/rd | Down 4.1% |
| Sep 17, 2025 | $2.76/rd | Down 0.3% |
| Sep 16, 2025 | $2.77/rd | Up 4.2% |
| Sep 9, 2025 | $2.66/rd | Down 1.6% |
| Aug 29, 2025 | $2.70/rd | Down 0.6% |
| Aug 17, 2025 | $2.72/rd | Down 0.9% |
| Aug 9, 2025 | $2.74/rd | Up 0.1% |
| Jul 26, 2025 | $2.74/rd | Down 1.1% |
| Jul 21, 2025 | $2.77/rd | Up 1.4% |
| Jul 19, 2025 | $2.73/rd | Up 0.8% |
| Jul 11, 2025 | $2.71/rd | Down 10.0% |
| Jul 1, 2025 | $3.01/rd | Up 7.2% |
| Jun 24, 2025 | $2.81/rd | Down 9.7% |
| Jun 19, 2025 | $3.11/rd | Up 8.1% |
| Jun 17, 2025 | $2.88/rd | Up 0.6% |
| Jun 8, 2025 | $2.86/rd | Up 3.7% |
| Jun 7, 2025 | $2.76/rd | Up 1.8% |
| Jun 6, 2025 | $2.71/rd | Down 6.3% |
| May 27, 2025 | $2.89/rd | Up 22.0% |
| May 21, 2025 | $2.37/rd | Down 12.6% |
| May 20, 2025 | $2.71/rd | Down 4.5% |
| May 18, 2025 | $2.84/rd | Up 4.8% |
| May 12, 2025 | $2.71/rd | Up 10.8% |
| May 10, 2025 | $2.45/rd | Down 17.0% |
| Apr 30, 2025 | $2.95/rd | Up 1.1% |
| Apr 28, 2025 | $2.92/rd | Up 2.9% |
| Apr 25, 2025 | $2.84/rd | Up 0.9% |
| Apr 22, 2025 | $2.81/rd | Up 4.0% |
| Apr 14, 2025 | $2.70/rd | Down 15.5% |
| Apr 6, 2025 | $3.20/rd | Up 5.5% |
| Apr 4, 2025 | $3.03/rd | Up 6.4% |
| Mar 31, 2025 | $2.85/rd | Up 9.2% |
| Mar 30, 2025 | $2.61/rd | Down 9.4% |
| Mar 28, 2025 | $2.88/rd | Down 0.0% |
| Mar 21, 2025 | $2.88/rd | Up 1.8% |
| Mar 19, 2025 | $2.83/rd | Down 4.6% |
| Mar 17, 2025 | $2.97/rd | Up 3.2% |
| Mar 8, 2025 | $2.88/rd | Up 23.8% |
| Mar 2, 2025 | $2.32/rd | Down 2.6% |
| Feb 18, 2025 | $2.38/rd | Down 19.8% |
| Feb 17, 2025 | $2.97/rd | Up 1.8% |
| Feb 15, 2025 | $2.92/rd | Up 2.8% |
| Feb 10, 2025 | $2.84/rd | Down 3.7% |
| Feb 6, 2025 | $2.95/rd | Down 0.1% |
| Jan 27, 2025 | $2.95/rd | Up 0.3% |
| Jan 21, 2025 | $2.94/rd | Up 17.4% |
| Jan 19, 2025 | $2.51/rd | Up 6.9% |
| Jan 17, 2025 | $2.35/rd | Down 18.1% |
| Jan 15, 2025 | $2.87/rd | Up 15.2% |
| Jan 8, 2025 | $2.49/rd | Down 16.2% |
| Jan 2, 2025 | $2.97/rd | Up 1.9% |
| Dec 26, 2024 | $2.91/rd | Up 0.9% |
| Dec 23, 2024 | $2.89/rd | Down 1.3% |
| Dec 16, 2024 | $2.92/rd | Up 0.2% |
| Dec 5, 2024 | $2.92/rd | Down 5.4% |
| Nov 27, 2024 | $3.08/rd | Up 15.4% |
| Nov 16, 2024 | $2.67/rd | Down 11.4% |
| Nov 13, 2024 | $3.02/rd | Up 0.8% |
| Nov 4, 2024 | $2.99/rd | Up 2.1% |
| Nov 2, 2024 | $2.93/rd | Up 4.0% |
| Oct 30, 2024 | $2.82/rd | Down 6.7% |
| Oct 27, 2024 | $3.02/rd | Up 0.3% |
About this product
20 rounds of Underwood Xtreme Defender 10mm Auto 155gr Solid copper Micro: 10mm Auto with 155 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
- 10mm Auto
- Bullet weight
- 155 grains
- Bullet type
- Solid copper
- Case
- Nickel-plated brass
- Rounds
- 20
- Use
- Self-defense
- Variant
- Micro
$2.50/rd
at Frontier Ammo Works