---
title: "Winchester PDX1 Defender .357 Magnum 125gr Bonded JHP Micro, 20 Rounds"
description: "$45.94 at Bayou Arms Co., 16% above usual."
type: "product"
category: "ammo"
brand: "Winchester"
landed_price: 45.94
currency: "USD"
price_per_round_cents: 229.7
best_store: "Bayou Arms Co."
deal_signal: "higher"
usual_price: 39.7
updated: "2026-10-19T14:09:00.000Z"
url: "https://trigger.deals/p/winchester-pdx1-defender-357-magnum-125gr-bonded-jhp-micro-20-rounds-605"
site: "Trigger Deals"
data: "sample"
---

# Winchester PDX1 Defender .357 Magnum 125gr Bonded JHP Micro, 20 Rounds

> Lowest landed price: **$45.94** at Bayou Arms Co. (★ 4.1, 1,658 reviews), **$2.30/rd**. 16% above usual (usual $39.70, the 90-day median). Stock not reported, verified 2026-10-19 14:09 UTC.

- Item price $28.99 + $16.95 shipping. Landed price excludes sales tax.
- 90-day range: $33.34 to $45.94
- 2-year low: $28.24 (Dec 11, 2024)
- Price unchanged for 1 day (since 2026-10-19 08:37 UTC)
- MSRP: $46.86 (2% off)
- Brand: Winchester. Category: ammo.
- [Buy at Bayou Arms Co.](https://trigger.deals/go/winchester-pdx1-defender-357-magnum-125gr-bonded-jhp-micro-20-rounds-605?store=bayou-arms)

## 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 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Bayou Arms Co. (best) | ★ 4.1 | $45.94 | $2.30 | Best price | $28.99 | $16.95 | Stock not reported | 2026-10-19 14:09 UTC |
| Granite Peak Supply | ★ 4.6 | $46.94 | $2.35 | +5.00¢/rd | $33.95 | $12.99 | In stock | 2026-10-19 13:13 UTC |
| Coyote Trail Supply | ★ 4.5 | $47.44 | $2.37 | +7.50¢/rd | $31.49 | $15.95 | In stock | 2026-10-19 11:33 UTC |
| Great Lakes Tactical | ★ 4.4 | $48.44 | $2.42 | +12.5¢/rd | $33.49 | $14.95 | In stock | 2026-10-19 12:18 UTC |
| Big Sky Ammo | ★ 4.3 | $48.90 | $2.45 | +14.8¢/rd | $29.95 | $18.95 | In stock | 2026-10-19 13:42 UTC |
| Red River Outdoors | ★ 4.4 | $49.48 | $2.47 | +17.7¢/rd | $34.49 | $14.99 | In stock | 2026-10-19 13:55 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-357-magnum-125gr-bonded-jhp-micro-20-rounds-605?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $40.21 |
| Aug 3, 2026 | $38.56 |
| Aug 10, 2026 | $38.56 |
| Aug 17, 2026 | $38.56 |
| Aug 24, 2026 | $36.02 |
| Aug 31, 2026 | $41.80 |
| Sep 7, 2026 | $41.61 |
| Sep 14, 2026 | $33.34 |
| Sep 21, 2026 | $39.70 |
| Sep 28, 2026 | $36.76 |
| Oct 5, 2026 | $45.83 |
| Oct 12, 2026 | $39.87 |
| Oct 19, 2026 | $45.94 |

## About this product

20 rounds of Winchester PDX1 Defender .357 Magnum 125gr Bonded JHP Micro: .357 Magnum with 125 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 | .357 Magnum |
| Bullet weight | 125 grains |
| Bullet type | Bonded JHP |
| Case | Nickel-plated brass |
| Rounds | 20 |
| Use | Self-defense |
| Variant | Micro |

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