---
title: "Glock 21 Gen4 .45 with Holosun 507K, 4.61 in., 13rd, Titanium Cerakote"
description: "$641.98 at Granite Peak Supply, 24% below usual."
type: "product"
category: "guns"
brand: "Glock"
landed_price: 641.98
currency: "USD"
best_store: "Granite Peak Supply"
deal_signal: "lower"
usual_price: 844.89
updated: "2026-10-19T12:51:00.000Z"
url: "https://trigger.deals/p/glock-21-gen4-45-with-holosun-507k-461-in-13rd-titanium-cerakote-o8n"
site: "Trigger Deals"
data: "sample"
---

# Glock 21 Gen4 .45 with Holosun 507K, 4.61 in., 13rd, Titanium Cerakote

> Lowest landed price: **$641.98** at Granite Peak Supply (★ 4.6, 6,408 reviews). 24% below usual (usual $844.89, the 90-day median), the lowest price in 90 days. In stock, verified 2026-10-19 12:51 UTC.

- Item price $611.99 + $29.99 shipping to your FFL dealer. Landed price excludes sales tax and the dealer's transfer fee.
- 90-day range: $641.98 to $957.68
- 2-year low: $641.98 (Oct 19, 2026)
- Price unchanged for 1 day (since 2026-10-19 03:03 UTC)
- MSRP: $1,029.99 (38% off)
- Brand: Glock. Category: guns.
- [Buy at Granite Peak Supply](https://trigger.deals/go/glock-21-gen4-45-with-holosun-507k-461-in-13rd-titanium-cerakote-o8n?store=granite-peak-supply)

## Compare stores (6)

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 | $641.98 | Best price | $611.99 | $29.99 | In stock | 2026-10-19 12:51 UTC |
| Prairie Fire Supply | ★ 4.1 | $656.98 | +$15.00 | $626.99 | $29.99 | Stock not reported | 2026-10-19 10:49 UTC |
| Sawtooth Outfitters | ★ 4.5 | $670.99 | +$29.01 | $643.49 | $27.50 | Stock not reported | 2026-10-19 12:42 UTC |
| Gulf Coast Guns | ★ 4.6 | $680.94 | +$38.96 | $665.95 | $14.99 | In stock | 2026-10-19 10:21 UTC |
| Ridgeline Arms | ★ 4.8 | $717.98 | +$76.00 | $697.99 | $19.99 | In stock | 2026-10-19 10:42 UTC |
| Timber Ridge Sporting | ★ 4.6 | $776.98 | +$135.00 | $746.99 | $29.99 | In stock | 2026-10-19 12:23 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-titanium-cerakote-o8n?days=730)).

| Date | Lowest landed price |
| --- | --- |
| Jul 27, 2026 | $872.72 |
| Aug 3, 2026 | $855.16 |
| Aug 10, 2026 | $826.15 |
| Aug 17, 2026 | $876.98 |
| Aug 24, 2026 | $851.78 |
| Aug 31, 2026 | $851.78 |
| Sep 7, 2026 | $851.78 |
| Sep 14, 2026 | $851.78 |
| Sep 21, 2026 | $843.70 |
| Sep 28, 2026 | $843.70 |
| Oct 5, 2026 | $843.70 |
| Oct 12, 2026 | $838.29 |
| Oct 19, 2026 | $641.98 |

## 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 titanium Cerakote 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 | Titanium Cerakote |
| Configuration | With red dot |
| Condition | New |

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