---
title: "Glock 21 Gen4 .45 with Holosun 507K, 4.61 in., 13rd, OD Green"
description: "$619.94 at Granite Peak Supply, 26% below usual."
type: "product"
category: "guns"
brand: "Glock"
landed_price: 619.94
currency: "USD"
best_store: "Granite Peak Supply"
deal_signal: "lower"
usual_price: 839.39
updated: "2026-10-19T11:59:00.000Z"
url: "https://trigger.deals/p/glock-21-gen4-45-with-holosun-507k-461-in-13rd-od-green-fuu"
site: "Trigger Deals"
data: "sample"
---

# Glock 21 Gen4 .45 with Holosun 507K, 4.61 in., 13rd, OD Green

> Lowest landed price: **$619.94** at Granite Peak Supply (★ 4.6, 6,408 reviews). 26% below usual (usual $839.39, the 90-day median), the lowest price in 90 days. In stock, verified 2026-10-19 11:59 UTC.

- Item price $589.95 + $29.99 shipping to your FFL dealer. Landed price excludes sales tax and the dealer's transfer fee.
- 90-day range: $619.94 to $944.08
- 2-year low: $619.94 (Oct 19, 2026)
- Price unchanged for 1 day (since 2026-10-19 07:48 UTC)
- MSRP: $989.99 (37% off)
- Brand: Glock. Category: guns.
- [Buy at Granite Peak Supply](https://trigger.deals/go/glock-21-gen4-45-with-holosun-507k-461-in-13rd-od-green-fuu?store=granite-peak-supply)

## Compare stores (5)

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

| Store | Rating | Landed price | Versus best | Item price | Shipping | Stock | Verified |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Granite Peak Supply (best) | ★ 4.6 | $619.94 | Best price | $589.95 | $29.99 | In stock | 2026-10-19 11:59 UTC |
| Prairie Fire Supply | ★ 4.1 | $624.98 | +$5.04 | $594.99 | $29.99 | Stock not reported | 2026-10-19 11:07 UTC |
| Black Canyon Arms | ★ 4.3 | $656.99 | +$37.05 | $641.99 | $15.00 | Stock not reported | 2026-10-19 10:11 UTC |
| Palisade Sporting Goods | ★ 4.2 | $695.48 | +$75.54 | $660.49 | $34.99 | In stock | 2026-10-19 11:31 UTC |
| Gulf Coast Guns | ★ 4.6 | $703.48 | +$83.54 | $688.49 | $14.99 | In stock | 2026-10-19 10:25 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/glock-21-gen4-45-with-holosun-507k-461-in-13rd-od-green-fuu?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $874.49 |
| Aug 3, 2026 | $861.14 |
| Aug 10, 2026 | $931.35 |
| Aug 17, 2026 | $830.68 |
| Aug 24, 2026 | $707.43 |
| Aug 31, 2026 | $707.43 |
| Sep 7, 2026 | $858.94 |
| Sep 14, 2026 | $858.94 |
| Sep 21, 2026 | $831.19 |
| Sep 28, 2026 | $839.25 |
| Oct 5, 2026 | $839.53 |
| Oct 12, 2026 | $931.74 |
| Oct 19, 2026 | $619.94 |

## About this product

The Glock 21 Gen4 .45 with Holosun 507K is a handgun chambered in .45 ACP, with a striker-fired action, a 4.61-inch barrel and a 13-round capacity. This listing is the oD Green finish in the with red dot configuration, new. Guns ship to a licensed dealer (FFL) near you, who runs the background check and hands it over; their transfer fee is separate.

## Specs

| Spec | Value |
| --- | --- |
| Caliber | .45 ACP |
| Type | Handgun |
| Action | Striker-fired |
| Capacity | 13 rounds |
| Barrel length | 4.61 in. |
| Finish | OD Green |
| Configuration | With red dot |
| Condition | New |

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