$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
G21.45, Gunmetal Grey Cerakote
Glock 21 Gen4 .45 with Holosun 507K, 4.61 in., 13rd, Gunmetal Grey Cerakote
- .45
- 13rd
- 4.61 in.
- Striker-fired
$788.48
About usual: it usually sells for $803.36, its median price over the last 90 days.
$773.49 + $14.99 shipping to your FFL dealer, before tax and the transfer fee. 23% under MSRP.
Gulf Coast Guns
Lowest of 4 stores4.6 (9.2K), in stock,
Compare 4 stores
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Landed price | Versus best | Stock | Store link |
|---|---|---|---|---|
Gulf Coast Guns4.6 4.6(9.2K)store rating | $788.48 | Best price | In stock | Buy at Gulf Coast Guns (opens in a new tab) |
 Bayou Arms Co.4.1 4.1(1.7K)store rating | $789.48 | +$1.00 | Not reported | Buy at Bayou Arms Co. (opens in a new tab) |
 Granite Peak Supply4.6 4.6(6.4K)store rating | $818.98 | +$30.50 | In stock | Buy at Granite Peak Supply (opens in a new tab) |
 Palisade Sporting Goods4.2 4.2(52.8K)store rating | $871.94 | +$83.46 | In stock | Buy at Palisade Sporting Goods (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
- $803.36
- 90-day median
- 90-day low
- $689.08
- 90-day high
- $959.98
- 2-year low
- $689.08
- Sep 30, 2026
- Unchanged for
- 11 days
- Since Oct 9, 2026
Every price change (128 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 9, 2026 | $788.48 | Down 17.9% |
| Oct 1, 2026 | $959.98 | Up 39.3% |
| Sep 29, 2026 | $689.08 | Down 13.3% |
| Sep 25, 2026 | $794.82 | Down 4.7% |
| Sep 21, 2026 | $834.27 | Down 2.3% |
| Sep 18, 2026 | $853.95 | Up 6.3% |
| Aug 21, 2026 | $803.36 | Up 15.9% |
| Aug 20, 2026 | $693.26 | Down 16.2% |
| Aug 17, 2026 | $827.05 | Down 2.6% |
| Aug 15, 2026 | $849.08 | Down 0.8% |
| Aug 7, 2026 | $855.76 | Up 1.1% |
| Aug 6, 2026 | $846.38 | Up 2.2% |
| Aug 5, 2026 | $827.92 | Up 12.0% |
| Jul 31, 2026 | $738.93 | Down 13.0% |
| Jul 26, 2026 | $849.13 | Down 0.2% |
| Jul 14, 2026 | $850.97 | Down 5.0% |
| Jun 27, 2026 | $895.44 | Up 3.6% |
| Jun 24, 2026 | $864.47 | Up 21.4% |
| Jun 21, 2026 | $712.15 | Down 16.9% |
| Jun 12, 2026 | $856.86 | Up 1.9% |
| Jun 10, 2026 | $841.07 | Down 12.7% |
| Jun 5, 2026 | $963.95 | Up 17.6% |
| May 26, 2026 | $819.34 | Down 0.6% |
| May 21, 2026 | $824.53 | Down 3.2% |
| May 18, 2026 | $852.14 | Down 0.5% |
| May 9, 2026 | $856.69 | Up 0.2% |
| Apr 29, 2026 | $854.73 | Down 3.8% |
| Apr 28, 2026 | $888.20 | Up 3.8% |
| Apr 22, 2026 | $855.89 | Up 10.3% |
| Apr 8, 2026 | $775.95 | Down 17.8% |
| Apr 6, 2026 | $944.54 | Up 2.7% |
| Mar 30, 2026 | $919.43 | Up 3.9% |
| Mar 19, 2026 | $884.71 | Down 10.2% |
| Mar 18, 2026 | $985.29 | Up 11.5% |
| Mar 13, 2026 | $884.02 | Up 8.2% |
| Mar 11, 2026 | $817.02 | Down 9.3% |
| Mar 10, 2026 | $901.06 | Up 2.0% |
| Mar 6, 2026 | $883.09 | Up 1.2% |
| Mar 5, 2026 | $872.60 | Down 11.4% |
| Mar 1, 2026 | $985.18 | Down 1.0% |
| Feb 23, 2026 | $994.85 | Up 35.1% |
| Feb 21, 2026 | $736.15 | Down 20.0% |
| Feb 4, 2026 | $920.36 | Up 9.1% |
| Jan 28, 2026 | $843.37 | Down 17.9% |
| Jan 27, 2026 | $1,027.22 | Up 12.9% |
| Jan 10, 2026 | $910.05 | Up 0.5% |
| Jan 9, 2026 | $905.88 | Down 2.0% |
| Jan 8, 2026 | $924.81 | Down 0.3% |
| Jan 7, 2026 | $927.63 | Down 0.2% |
| Dec 31, 2025 | $929.71 | Up 7.6% |
| Dec 12, 2025 | $863.69 | Down 4.6% |
| Dec 9, 2025 | $905.37 | Down 2.9% |
| Dec 5, 2025 | $931.95 | Down 11.2% |
| Nov 29, 2025 | $1,050.02 | Up 11.3% |
| Nov 24, 2025 | $943.54 | Up 6.5% |
| Nov 22, 2025 | $886.10 | Down 4.4% |
| Nov 20, 2025 | $926.97 | Down 2.0% |
| Nov 16, 2025 | $946.05 | Down 2.0% |
| Nov 13, 2025 | $965.48 | Up 19.2% |
| Nov 4, 2025 | $809.63 | Down 13.2% |
| Oct 22, 2025 | $932.93 | Down 6.5% |
| Oct 15, 2025 | $997.82 | Up 7.0% |
| Oct 14, 2025 | $932.94 | Up 2.0% |
| Oct 13, 2025 | $914.35 | Down 3.8% |
| Oct 10, 2025 | $950.02 | Up 1.7% |
| Oct 5, 2025 | $934.51 | Up 2.5% |
| Sep 23, 2025 | $911.75 | Down 6.0% |
| Sep 20, 2025 | $970.06 | Up 3.1% |
| Sep 15, 2025 | $940.95 | Up 4.3% |
| Sep 12, 2025 | $901.78 | Down 4.0% |
| Sep 4, 2025 | $939.76 | Up 0.8% |
| Aug 21, 2025 | $932.70 | Down 0.5% |
| Jul 31, 2025 | $937.35 | Down 10.7% |
| Jul 29, 2025 | $1,050.14 | Up 13.7% |
| Jul 26, 2025 | $923.38 | Down 4.4% |
| Jul 21, 2025 | $965.79 | Up 23.6% |
| Jul 20, 2025 | $781.42 | Down 21.7% |
| Jul 15, 2025 | $997.95 | Down 6.0% |
| Jul 14, 2025 | $1,062.05 | Up 4.8% |
| Jul 2, 2025 | $1,013.85 | Up 27.7% |
| Jun 30, 2025 | $794.14 | Down 18.2% |
| Jun 28, 2025 | $971.41 | Up 9.9% |
| Jun 21, 2025 | $884.19 | Down 9.6% |
| Jun 20, 2025 | $978.37 | Down 2.6% |
| Jun 15, 2025 | $1,004.07 | Up 7.0% |
| May 23, 2025 | $938.68 | Down 6.5% |
| May 16, 2025 | $1,004.17 | Up 3.2% |
| May 15, 2025 | $973.43 | Down 11.1% |
| May 4, 2025 | $1,095.45 | Up 12.8% |
| May 2, 2025 | $971.19 | Up 1.2% |
| Apr 25, 2025 | $960.06 | Down 0.2% |
| Apr 21, 2025 | $962.03 | Up 6.0% |
| Apr 20, 2025 | $907.99 | Down 8.9% |
| Apr 18, 2025 | $996.87 | Up 3.3% |
| Apr 16, 2025 | $965.24 | Down 3.8% |
| Apr 8, 2025 | $1,003.03 | Up 5.0% |
| Apr 7, 2025 | $955.45 | Down 0.6% |
| Mar 30, 2025 | $961.12 | Down 11.4% |
| Mar 29, 2025 | $1,085.03 | Up 10.3% |
| Mar 28, 2025 | $983.57 | Up 0.5% |
| Mar 23, 2025 | $979.05 | Down 0.9% |
| Mar 12, 2025 | $988.21 | Up 0.6% |
| Mar 7, 2025 | $982.80 | Up 0.5% |
| Feb 27, 2025 | $977.59 | Up 5.7% |
| Feb 16, 2025 | $925.22 | Down 16.0% |
| Feb 13, 2025 | $1,101.14 | Up 7.5% |
| Feb 10, 2025 | $1,024.03 | Down 5.8% |
| Feb 6, 2025 | $1,086.90 | Up 11.1% |
| Feb 4, 2025 | $978.36 | Up 12.5% |
| Jan 30, 2025 | $869.40 | Down 17.2% |
| Jan 29, 2025 | $1,049.42 | Up 2.3% |
| Jan 27, 2025 | $1,025.66 | Down 10.4% |
| Jan 20, 2025 | $1,144.21 | Up 16.1% |
| Jan 19, 2025 | $985.53 | Up 0.6% |
| Jan 4, 2025 | $979.69 | Down 16.2% |
| Dec 29, 2024 | $1,169.58 | Up 17.7% |
| Dec 27, 2024 | $994.06 | Down 3.2% |
| Dec 15, 2024 | $1,027.16 | Up 18.8% |
| Dec 13, 2024 | $864.32 | Down 19.0% |
| Dec 6, 2024 | $1,067.01 | Up 15.8% |
| Dec 3, 2024 | $921.23 | Down 6.7% |
| Dec 2, 2024 | $987.34 | Down 6.1% |
| Nov 27, 2024 | $1,051.98 | Up 1.1% |
| Nov 13, 2024 | $1,040.19 | Down 0.3% |
| Oct 28, 2024 | $1,043.48 | Up 0.6% |
| Oct 26, 2024 | $1,037.73 | Up 0.3% |
| Oct 22, 2024 | $1,035.05 | Up 1.4% |
| Oct 21, 2024 | $1,021.03 | Up 0.2% |
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 gunmetal Grey 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.
- Caliber
- .45 ACP
- Type
- Handgun
- Action
- Striker-fired
- Capacity
- 13 rounds
- Barrel length
- 4.61 in.
- Finish
- Gunmetal Grey Cerakote
- Configuration
- With red dot
- Condition
- New
$788.48
at Gulf Coast Guns
