---
title: "Underwood Xtreme Defender .380 ACP 99gr Solid copper Micro, 20 Rounds"
description: "$37.98 at Granite Peak Supply, about usual."
type: "product"
category: "ammo"
brand: "Underwood"
landed_price: 37.98
currency: "USD"
price_per_round_cents: 189.9
best_store: "Granite Peak Supply"
deal_signal: "about"
usual_price: 37.98
updated: "2026-10-19T13:39:00.000Z"
url: "https://trigger.deals/p/underwood-xtreme-defender-380-acp-99gr-solid-copper-micro-20-rounds-6ta"
site: "Trigger Deals"
data: "sample"
---

# Underwood Xtreme Defender .380 ACP 99gr Solid copper Micro, 20 Rounds

> Lowest landed price: **$37.98** at Granite Peak Supply (★ 4.6, 6,408 reviews), **$1.90/rd**. About usual (usual $37.98, the 90-day median). In stock, verified 2026-10-19 13:39 UTC.

- Item price $24.99 + $12.99 shipping. Landed price excludes sales tax.
- 90-day range: $31.59 to $44.51
- 2-year low: $31.48 (May 12, 2026)
- Price unchanged for 45 days (since 2026-09-05 13:39 UTC)
- MSRP: $38.74 (2% off)
- Brand: Underwood. Category: ammo.
- [Buy at Granite Peak Supply](https://trigger.deals/go/underwood-xtreme-defender-380-acp-99gr-solid-copper-micro-20-rounds-6ta?store=granite-peak-supply)

## Compare stores (6)

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 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Granite Peak Supply (best) | ★ 4.6 | $37.98 | $1.90 | Best price | $24.99 | $12.99 | In stock | 2026-10-19 13:39 UTC |
| Prairie Fire Supply | ★ 4.1 | $38.98 | $1.95 | +5.00¢/rd | $29.03 | $9.95 | Stock not reported | 2026-10-19 13:39 UTC |
| Sawtooth Outfitters | ★ 4.5 | $40.49 | $2.02 | +12.6¢/rd | $23.99 | $16.50 | Stock not reported | 2026-10-19 13:04 UTC |
| Copper Creek Ammo | ★ 4.7 | $42.99 | $2.15 | +25.1¢/rd | $42.99 | Free | In stock | 2026-10-19 12:33 UTC |
| Big Sky Ammo | ★ 4.3 | $37.94 | $1.90 | – | $18.99 | $18.95 | Out of stock | 2026-10-19 12:00 UTC |
| Palisade Sporting Goods | ★ 4.2 | $49.48 | $2.47 | – | $24.49 | $24.99 | Out of stock | 2026-10-19 12:37 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-380-acp-99gr-solid-copper-micro-20-rounds-6ta?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $38.30 |
| Aug 3, 2026 | $31.59 |
| Aug 10, 2026 | $41.44 |
| Aug 17, 2026 | $36.70 |
| Aug 24, 2026 | $41.62 |
| Aug 31, 2026 | $41.62 |
| Sep 7, 2026 | $37.98 |
| Sep 14, 2026 | $37.98 |
| Sep 21, 2026 | $37.98 |
| Sep 28, 2026 | $37.98 |
| Oct 5, 2026 | $37.98 |
| Oct 12, 2026 | $37.98 |
| Oct 19, 2026 | $37.98 |

## About this product

20 rounds of Underwood Xtreme Defender .380 ACP 99gr Solid copper Micro: .380 ACP with 99 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 | .380 ACP |
| Bullet weight | 99 grains |
| Bullet type | Solid copper |
| Case | Nickel-plated brass |
| Rounds | 20 |
| Use | Self-defense |
| Variant | Micro |

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