$619.94Usually $839.39
Save $219.45
Glock 21 Gen4 .45 with Holosun 507K, 4.61 in., 13rd, OD Green
Granite Peak Supply4.6Price dropped
Glock 21 Gen4 .45, 4.61 in., 13rd, OD Green
- .45
- 13rd
- 4.61 in.
- Striker-fired
- Free shipping
$629.99
About usual: it usually sells for $627.13, its median price over the last 90 days.
Free shipping to your FFL dealer, before tax and the transfer fee. 14% under MSRP.
Iron Mesa Armory
Lowest of 5 stores4.9 (12.7K), in stock,
Compare 5 stores
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Landed price | Versus best | Stock | Store link |
|---|---|---|---|---|
Iron Mesa Armory4.9 4.9(12.7K)store rating | $629.99 | Best price | In stock | Buy at Iron Mesa Armory (opens in a new tab) |
 Granite Peak Supply4.6 4.6(6.4K)store rating | $630.99 | +$1.00 | In stock | Buy at Granite Peak Supply (opens in a new tab) |
 High Desert Guns4.2 4.2(1.9K)store rating | $639.99 | +$10.00 | Not reported | Buy at High Desert Guns (opens in a new tab) |
 Ozark Range Supply4.6 4.6(13.4K)store rating | $709.99 | +$80.00 | In stock | Buy at Ozark Range Supply (opens in a new tab) |
 Westbound Armory4.7 4.7(4.6K)store rating | $711.98 | +$81.99 | In stock | Buy at Westbound Armory (opens in a new tab) |
Guns ship to a licensed dealer (FFL) near you for pickup. Landed prices include shipping to the dealer, not their transfer fee.
Price history
The lowest price and each store's own, every day for 2 years.
- Usual
- $627.13
- 90-day median
- 90-day low
- $497.40
- 90-day high
- $703.43
- 2-year low
- $446.29
- Nov 21, 2024
- Unchanged for
- 3 days
- Since Oct 17, 2026
Every price change (122 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 17, 2026 | $629.99 | Up 23.8% |
| Oct 14, 2026 | $508.84 | Down 14.0% |
| Oct 10, 2026 | $591.67 | Down 10.5% |
| Oct 9, 2026 | $660.97 | Up 4.8% |
| Oct 8, 2026 | $630.80 | Down 0.1% |
| Oct 3, 2026 | $631.73 | Up 2.6% |
| Sep 28, 2026 | $615.75 | Up 23.8% |
| Sep 27, 2026 | $497.40 | Down 18.4% |
| Sep 21, 2026 | $609.57 | Down 2.8% |
| Aug 27, 2026 | $627.13 | Down 9.4% |
| Aug 25, 2026 | $691.85 | Up 34.4% |
| Aug 10, 2026 | $514.58 | Down 21.6% |
| Jul 26, 2026 | $656.12 | Up 12.5% |
| Jul 25, 2026 | $583.25 | Down 17.1% |
| Jul 20, 2026 | $703.43 | Up 12.1% |
| Jul 13, 2026 | $627.26 | Up 6.7% |
| Jul 5, 2026 | $587.78 | Down 4.2% |
| Jun 30, 2026 | $613.75 | Up 3.2% |
| Jun 28, 2026 | $594.80 | Down 13.3% |
| Jun 27, 2026 | $685.69 | Up 11.8% |
| Jun 5, 2026 | $613.52 | Down 0.0% |
| Jun 2, 2026 | $613.66 | Up 2.6% |
| May 21, 2026 | $598.40 | Up 8.8% |
| May 18, 2026 | $550.20 | Down 10.6% |
| May 17, 2026 | $615.51 | Up 6.6% |
| May 15, 2026 | $577.25 | Down 2.6% |
| May 4, 2026 | $592.58 | Up 22.6% |
| May 1, 2026 | $483.36 | Up 0.7% |
| Apr 16, 2026 | $479.83 | Down 6.5% |
| Apr 13, 2026 | $513.36 | Down 13.9% |
| Apr 12, 2026 | $595.96 | Up 0.3% |
| Apr 9, 2026 | $593.92 | Up 2.9% |
| Apr 5, 2026 | $577.25 | Down 1.9% |
| Mar 28, 2026 | $588.20 | Down 1.8% |
| Mar 23, 2026 | $598.98 | Up 0.7% |
| Mar 17, 2026 | $594.57 | Down 1.5% |
| Mar 5, 2026 | $603.60 | Down 1.3% |
| Mar 3, 2026 | $611.65 | Up 3.9% |
| Mar 2, 2026 | $588.64 | Down 0.8% |
| Feb 27, 2026 | $593.47 | Up 3.8% |
| Feb 21, 2026 | $571.65 | Down 4.9% |
| Feb 20, 2026 | $601.13 | Up 0.7% |
| Feb 16, 2026 | $596.89 | Down 6.2% |
| Jan 31, 2026 | $636.33 | Up 8.4% |
| Jan 30, 2026 | $587.22 | Up 16.6% |
| Jan 29, 2026 | $503.69 | Down 18.3% |
| Jan 28, 2026 | $616.54 | Up 3.4% |
| Jan 22, 2026 | $596.40 | Up 5.6% |
| Jan 17, 2026 | $564.54 | Down 2.5% |
| Jan 16, 2026 | $579.15 | Up 6.1% |
| Jan 11, 2026 | $546.11 | Down 8.3% |
| Jan 1, 2026 | $595.57 | Up 3.9% |
| Dec 19, 2025 | $573.35 | Up 1.4% |
| Dec 18, 2025 | $565.27 | Down 0.9% |
| Nov 24, 2025 | $570.66 | Up 4.0% |
| Nov 21, 2025 | $548.81 | Up 5.8% |
| Nov 17, 2025 | $518.48 | Down 8.1% |
| Nov 12, 2025 | $564.08 | Down 3.1% |
| Nov 11, 2025 | $581.94 | Up 20.5% |
| Oct 24, 2025 | $482.81 | Down 18.6% |
| Oct 20, 2025 | $593.38 | Up 1.7% |
| Oct 1, 2025 | $583.73 | Up 8.5% |
| Sep 26, 2025 | $538.06 | Down 6.3% |
| Sep 20, 2025 | $574.53 | Up 0.1% |
| Sep 15, 2025 | $573.92 | Down 5.7% |
| Sep 8, 2025 | $608.89 | Up 8.9% |
| Aug 21, 2025 | $559.31 | Down 0.3% |
| Aug 6, 2025 | $560.99 | Down 3.4% |
| Aug 1, 2025 | $580.57 | Up 0.2% |
| Jul 25, 2025 | $579.43 | Up 2.6% |
| Jul 21, 2025 | $564.51 | Down 11.6% |
| Jul 19, 2025 | $638.87 | Up 16.5% |
| Jul 4, 2025 | $548.61 | Down 1.9% |
| Jul 1, 2025 | $559.52 | Down 2.1% |
| Jun 27, 2025 | $571.51 | Up 0.8% |
| Jun 26, 2025 | $567.00 | Up 1.3% |
| Jun 25, 2025 | $559.87 | Up 2.9% |
| Jun 9, 2025 | $543.83 | Down 1.1% |
| Jun 3, 2025 | $549.79 | Up 1.0% |
| May 30, 2025 | $544.55 | Up 19.0% |
| May 17, 2025 | $457.66 | Down 18.4% |
| May 16, 2025 | $560.69 | Up 1.2% |
| May 4, 2025 | $553.88 | Up 0.1% |
| May 3, 2025 | $553.57 | Down 2.2% |
| Apr 26, 2025 | $565.79 | Up 3.6% |
| Apr 10, 2025 | $546.13 | Up 5.8% |
| Mar 28, 2025 | $516.11 | Down 6.6% |
| Mar 26, 2025 | $552.77 | Down 0.3% |
| Mar 23, 2025 | $554.16 | Up 0.1% |
| Mar 22, 2025 | $553.85 | Down 10.0% |
| Mar 18, 2025 | $615.51 | Up 12.6% |
| Mar 13, 2025 | $546.83 | Up 11.7% |
| Mar 12, 2025 | $489.59 | Down 11.8% |
| Mar 10, 2025 | $555.08 | Down 7.7% |
| Mar 2, 2025 | $601.22 | Up 13.2% |
| Feb 20, 2025 | $531.14 | Up 1.9% |
| Feb 15, 2025 | $521.48 | Down 3.2% |
| Feb 8, 2025 | $538.99 | Down 10.7% |
| Feb 2, 2025 | $603.86 | Up 11.5% |
| Jan 27, 2025 | $541.43 | Down 1.4% |
| Jan 25, 2025 | $548.86 | Down 0.4% |
| Jan 23, 2025 | $551.28 | Up 4.3% |
| Jan 18, 2025 | $528.55 | Up 4.9% |
| Jan 13, 2025 | $503.93 | Down 6.2% |
| Dec 28, 2024 | $536.99 | Up 0.4% |
| Dec 19, 2024 | $534.70 | Down 7.9% |
| Dec 18, 2024 | $580.83 | Up 6.7% |
| Dec 6, 2024 | $544.61 | Down 0.7% |
| Dec 4, 2024 | $548.71 | Down 4.2% |
| Dec 2, 2024 | $572.57 | Down 7.0% |
| Dec 1, 2024 | $615.73 | Up 15.6% |
| Nov 27, 2024 | $532.63 | Up 1.5% |
| Nov 22, 2024 | $524.59 | Up 17.5% |
| Nov 18, 2024 | $446.29 | Down 19.7% |
| Nov 14, 2024 | $555.92 | Up 5.4% |
| Nov 13, 2024 | $527.65 | Down 0.6% |
| Nov 10, 2024 | $530.93 | Down 0.3% |
| Nov 9, 2024 | $532.58 | Down 2.4% |
| Nov 7, 2024 | $545.48 | Up 4.3% |
| Nov 1, 2024 | $523.17 | Up 1.8% |
| Oct 29, 2024 | $513.93 | Down 4.8% |
| Oct 26, 2024 | $539.90 | Up 13.3% |
About this product
The Glock 21 Gen4 .45 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 standard 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.
- Caliber
- .45 ACP
- Type
- Handgun
- Action
- Striker-fired
- Capacity
- 13 rounds
- Barrel length
- 4.61 in.
- Finish
- OD Green
- Configuration
- Standard
- Condition
- New
$629.99
at Iron Mesa Armory
