---
title: "Winchester PDX1 Defender 10mm Auto 155gr Bonded JHP, 20 Rounds"
description: "$52.94 at Red River Outdoors, 19% above usual."
type: "product"
category: "ammo"
brand: "Winchester"
landed_price: 52.94
currency: "USD"
price_per_round_cents: 264.7
best_store: "Red River Outdoors"
deal_signal: "higher"
usual_price: 44.62
updated: "2026-10-19T14:53:00.000Z"
url: "https://trigger.deals/p/winchester-pdx1-defender-10mm-auto-155gr-bonded-jhp-20-rounds-2pi"
site: "Trigger Deals"
data: "sample"
---

# Winchester PDX1 Defender 10mm Auto 155gr Bonded JHP, 20 Rounds

> Lowest landed price: **$52.94** at Red River Outdoors (★ 4.4, 28,904 reviews), **$2.65/rd**. 19% above usual (usual $44.62, the 90-day median). In stock, verified 2026-10-19 14:53 UTC.

- Item price $37.95 + $14.99 shipping. Landed price excludes sales tax.
- 90-day range: $38.36 to $52.94
- 2-year low: $37.20 (Jun 29, 2026)
- Price unchanged for 6 days (since 2026-10-14 00:42 UTC)
- MSRP: $54.00 (2% off)
- Brand: Winchester. Category: ammo.
- [Buy at Red River Outdoors](https://trigger.deals/go/winchester-pdx1-defender-10mm-auto-155gr-bonded-jhp-20-rounds-2pi?store=red-river-outdoors)

## 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 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Red River Outdoors (best) | ★ 4.4 | $52.94 | $2.65 | Best price | $37.95 | $14.99 | In stock | 2026-10-19 14:53 UTC |
| Big Sky Ammo | ★ 4.3 | $56.94 | $2.85 | +20.0¢/rd | $37.99 | $18.95 | In stock | 2026-10-19 12:32 UTC |
| Iron Mesa Armory | ★ 4.9 | $57.44 | $2.87 | +22.5¢/rd | $37.49 | $19.95 | In stock | 2026-10-19 12:06 UTC |
| Frontier Ammo Works | ★ 4.4 | $57.90 | $2.90 | +24.8¢/rd | $42.95 | $14.95 | In stock | 2026-10-19 14:32 UTC |
| Ridgeline Arms | ★ 4.8 | $57.94 | $2.90 | +25.0¢/rd | $42.99 | $14.95 | In stock | 2026-10-19 13:22 UTC |
| Keystone Shooting Supply | ★ 4.8 | $61.90 | $3.09 | +44.8¢/rd | $51.95 | $9.95 | In stock | 2026-10-19 13:49 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/winchester-pdx1-defender-10mm-auto-155gr-bonded-jhp-20-rounds-2pi?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $45.97 |
| Aug 3, 2026 | $41.98 |
| Aug 10, 2026 | $43.98 |
| Aug 17, 2026 | $50.10 |
| Aug 24, 2026 | $46.17 |
| Aug 31, 2026 | $42.91 |
| Sep 7, 2026 | $42.91 |
| Sep 14, 2026 | $42.73 |
| Sep 21, 2026 | $42.73 |
| Sep 28, 2026 | $45.18 |
| Oct 5, 2026 | $45.76 |
| Oct 12, 2026 | $44.95 |
| Oct 19, 2026 | $52.94 |

## About this product

20 rounds of Winchester PDX1 Defender 10mm Auto 155gr Bonded JHP: 10mm Auto with 155 grains Bonded JHP 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 | 10mm Auto |
| Bullet weight | 155 grains |
| Bullet type | Bonded JHP |
| Case | Nickel-plated brass |
| Rounds | 20 |
| Use | Self-defense |

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