---
title: "Underwood Xtreme Defender .45 ACP 230gr Solid copper, 20 Rounds"
description: "$38.44 at Frontier Ammo Works, 8% below usual."
type: "product"
category: "ammo"
brand: "Underwood"
landed_price: 38.44
currency: "USD"
price_per_round_cents: 192.2
best_store: "Frontier Ammo Works"
deal_signal: "lower"
usual_price: 41.73
updated: "2026-10-19T10:11:00.000Z"
url: "https://trigger.deals/p/underwood-xtreme-defender-45-acp-230gr-solid-copper-20-rounds-16i"
site: "Trigger Deals"
data: "sample"
---

# Underwood Xtreme Defender .45 ACP 230gr Solid copper, 20 Rounds

> Lowest landed price: **$38.44** at Frontier Ammo Works (★ 4.4, 6,215 reviews), **$1.92/rd**. 8% below usual (usual $41.73, the 90-day median). Out of stock, verified 2026-10-19 10:11 UTC.

- Item price $23.49 + $14.95 shipping. Landed price excludes sales tax.
- 90-day range: $33.95 to $47.08
- 2-year low: $33.95 (Sep 2, 2026)
- Price unchanged for 6 days (since 2026-10-14 12:55 UTC)
- MSRP: $43.99 (13% off)
- Brand: Underwood. Category: ammo.
- [Buy at Frontier Ammo Works](https://trigger.deals/go/underwood-xtreme-defender-45-acp-230gr-solid-copper-20-rounds-16i?store=frontier-ammo-works)

## Compare stores (7)

Ranked by landed price: the item plus shipping to you, before tax.

| Store | Rating | Landed price | Per round | Versus best | Item price | Shipping | Stock | Verified |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Frontier Ammo Works (best) | ★ 4.4 | $38.44 | $1.92 | – | $23.49 | $14.95 | Out of stock | 2026-10-19 10:11 UTC |
| Blue Ridge Munitions | ★ 4.5 | $38.90 | $1.94 | – | $21.95 | $16.95 | Out of stock | 2026-10-19 12:09 UTC |
| Coyote Trail Supply | ★ 4.5 | $42.94 | $2.15 | – | $26.99 | $15.95 | Out of stock | 2026-10-19 09:14 UTC |
| Bayou Arms Co. | ★ 4.1 | $43.90 | $2.20 | – | $26.95 | $16.95 | Out of stock | 2026-10-19 11:23 UTC |
| Iron Mesa Armory | ★ 4.9 | $45.90 | $2.30 | – | $25.95 | $19.95 | Out of stock | 2026-10-19 10:53 UTC |
| Northfork Firearms | ★ 4.7 | $46.48 | $2.32 | – | $21.49 | $24.99 | Out of stock | 2026-10-19 11:34 UTC |
| Timber Ridge Sporting | ★ 4.6 | $49.48 | $2.47 | – | $29.49 | $19.99 | Out of stock | 2026-10-19 12:27 UTC |

## Price history

Lowest landed price across stores, weekly over the last 90 days (full daily history: [JSON API](https://trigger.deals/api/v1/products/underwood-xtreme-defender-45-acp-230gr-solid-copper-20-rounds-16i?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $42.97 |
| Aug 3, 2026 | $47.08 |
| Aug 10, 2026 | $33.95 |
| Aug 17, 2026 | $33.95 |
| Aug 24, 2026 | $33.95 |
| Aug 31, 2026 | $33.95 |
| Sep 7, 2026 | $41.73 |
| Sep 14, 2026 | $41.69 |
| Sep 21, 2026 | $42.50 |
| Sep 28, 2026 | $41.80 |
| Oct 5, 2026 | $41.92 |
| Oct 12, 2026 | $41.36 |
| Oct 19, 2026 | $38.44 |

## About this product

20 rounds of Underwood Xtreme Defender .45 ACP 230gr Solid copper: .45 ACP with 230 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.

## Specs

| Spec | Value |
| --- | --- |
| Caliber | .45 ACP |
| Bullet weight | 230 grains |
| Bullet type | Solid copper |
| Case | Nickel-plated brass |
| Rounds | 20 |
| Use | Self-defense |

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