$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, Navy Blue Cerakote
Glock 21 Gen4 .45 with Holosun 507K, 4.61 in., 13rd, Navy Blue Cerakote
- .45
- 13rd
- 4.61 in.
- Striker-fired
$1,026.50
13% above usual
Higher than usual: it usually sells for $910.26, its median price over the last 90 days.
$1,009 + $17.50 shipping to your FFL dealer, before tax and the transfer fee.
Northfork Firearms
Lowest of 3 stores4.7 (7.3K), in stock,
Compare 6 stores
3 in stock.
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Landed price | Versus best | Stock | Store link |
|---|---|---|---|---|
Northfork Firearms4.7 4.7(7.3K)store rating | $1,026.50 | Best price | In stock | Buy at Northfork Firearms (opens in a new tab) |
 Black Canyon Arms4.3 4.3(3.5K)store rating | $1,054.99 | +$28.49 | Not reported | Buy at Black Canyon Arms (opens in a new tab) |
 Great Lakes Tactical4.4 4.4(5.5K)store rating | $1,133.99 | +$107.49 | In stock | Buy at Great Lakes Tactical (opens in a new tab) |
 Keystone Shooting Supply4.8 4.8(24.5K)store rating | $1,010.94 | Not available | Out of stock | View at Keystone Shooting Supply (opens in a new tab) |
 Ridgeline Arms4.8 4.8(18.2K)store rating | $1,128.99 | Not available | Out of stock | View at Ridgeline Arms (opens in a new tab) |
 Granite Peak Supply4.6 4.6(6.4K)store rating | $1,179.99 | Not available | Out of stock | View at Granite Peak Supply (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
- $910.26
- 90-day median
- 90-day low
- $735.98
- 90-day high
- $1,026.50
- 2-year low
- $735.98
- Aug 8, 2026
- Unchanged for
- 15 days
- Since Oct 5, 2026
Every price change (132 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 5, 2026 | $1,026.50 | Up 13.3% |
| Oct 4, 2026 | $905.91 | Up 8.0% |
| Sep 28, 2026 | $838.62 | Down 6.1% |
| Sep 27, 2026 | $893.49 | Down 3.2% |
| Sep 18, 2026 | $922.61 | Up 1.4% |
| Sep 4, 2026 | $910.26 | Up 1.8% |
| Aug 31, 2026 | $894.38 | Up 9.9% |
| Aug 30, 2026 | $813.74 | Down 11.0% |
| Aug 23, 2026 | $914.02 | Up 3.1% |
| Aug 21, 2026 | $886.33 | Down 4.5% |
| Aug 20, 2026 | $927.85 | Up 4.3% |
| Aug 13, 2026 | $889.55 | Up 0.9% |
| Aug 10, 2026 | $881.34 | Down 5.8% |
| Aug 9, 2026 | $935.85 | Up 27.2% |
| Jul 31, 2026 | $735.98 | Down 17.1% |
| Jul 29, 2026 | $888.17 | Down 12.8% |
| Jul 27, 2026 | $1,018.66 | Up 15.2% |
| Jul 26, 2026 | $884.48 | Down 2.5% |
| Jul 16, 2026 | $907.35 | Up 8.5% |
| Jul 13, 2026 | $836.26 | Down 6.3% |
| Jul 6, 2026 | $892.63 | Up 0.3% |
| Jul 5, 2026 | $889.58 | Down 3.4% |
| Jul 4, 2026 | $920.68 | Up 11.9% |
| Jul 2, 2026 | $822.97 | Down 12.2% |
| Jul 1, 2026 | $937.59 | Up 3.6% |
| Jun 28, 2026 | $905.22 | Down 4.2% |
| Jun 26, 2026 | $945.07 | Up 4.3% |
| Jun 25, 2026 | $906.49 | Up 21.8% |
| Jun 17, 2026 | $744.29 | Down 18.0% |
| Jun 9, 2026 | $907.74 | Down 1.1% |
| Jun 1, 2026 | $917.88 | Up 1.3% |
| May 27, 2026 | $905.73 | Down 0.6% |
| May 20, 2026 | $910.86 | Down 2.1% |
| Apr 28, 2026 | $930.79 | Up 2.4% |
| Apr 27, 2026 | $909.19 | Down 4.1% |
| Apr 26, 2026 | $948.16 | Up 5.9% |
| Apr 23, 2026 | $895.28 | Up 14.3% |
| Apr 11, 2026 | $783.11 | Down 9.6% |
| Apr 10, 2026 | $866.43 | Up 12.4% |
| Apr 6, 2026 | $770.66 | Down 17.7% |
| Mar 29, 2026 | $936.92 | Up 5.3% |
| Mar 24, 2026 | $890.16 | Down 5.8% |
| Mar 4, 2026 | $944.98 | Up 0.6% |
| Feb 25, 2026 | $939.46 | Up 0.6% |
| Feb 12, 2026 | $933.93 | Down 1.0% |
| Feb 8, 2026 | $943.78 | Down 2.5% |
| Feb 6, 2026 | $968.34 | Up 27.1% |
| Jan 27, 2026 | $762.06 | Down 16.5% |
| Jan 24, 2026 | $912.95 | Up 0.4% |
| Jan 23, 2026 | $909.66 | Up 0.5% |
| Jan 20, 2026 | $905.36 | Up 4.0% |
| Jan 15, 2026 | $870.53 | Down 10.4% |
| Jan 13, 2026 | $971.33 | Up 4.8% |
| Jan 8, 2026 | $926.75 | Up 11.0% |
| Jan 5, 2026 | $834.64 | Down 7.3% |
| Dec 31, 2025 | $900.23 | Down 13.9% |
| Dec 25, 2025 | $1,045.85 | Up 9.6% |
| Dec 24, 2025 | $954.08 | Up 2.2% |
| Dec 18, 2025 | $933.25 | Down 0.0% |
| Dec 16, 2025 | $933.31 | Down 1.9% |
| Dec 2, 2025 | $951.77 | Up 7.0% |
| Dec 1, 2025 | $889.16 | Down 3.2% |
| Nov 26, 2025 | $918.46 | Down 14.8% |
| Nov 25, 2025 | $1,078.23 | Up 17.6% |
| Nov 18, 2025 | $917.05 | Down 0.7% |
| Nov 2, 2025 | $923.22 | Down 12.2% |
| Oct 28, 2025 | $1,050.92 | Up 22.6% |
| Oct 22, 2025 | $856.91 | Down 8.7% |
| Oct 19, 2025 | $938.89 | Down 2.0% |
| Oct 8, 2025 | $957.96 | Down 8.5% |
| Oct 7, 2025 | $1,047.26 | Up 23.6% |
| Oct 6, 2025 | $847.19 | Down 12.0% |
| Sep 29, 2025 | $962.38 | Up 0.9% |
| Sep 24, 2025 | $954.04 | Up 1.0% |
| Sep 14, 2025 | $945.04 | Up 3.5% |
| Sep 12, 2025 | $912.65 | Up 3.2% |
| Sep 4, 2025 | $884.17 | Down 5.3% |
| Sep 3, 2025 | $933.46 | Up 8.8% |
| Sep 2, 2025 | $857.88 | Down 8.9% |
| Aug 31, 2025 | $942.06 | Up 22.2% |
| Aug 30, 2025 | $770.83 | Up 0.6% |
| Aug 29, 2025 | $765.88 | Down 23.6% |
| Aug 26, 2025 | $1,002.47 | Up 5.5% |
| Aug 22, 2025 | $950.51 | Up 23.7% |
| Aug 17, 2025 | $768.58 | Down 13.4% |
| Aug 11, 2025 | $887.47 | Down 4.2% |
| Aug 10, 2025 | $926.67 | Up 3.6% |
| Jul 25, 2025 | $894.27 | Down 0.4% |
| Jul 20, 2025 | $898.24 | Down 0.3% |
| Jul 19, 2025 | $900.99 | Down 1.3% |
| Jul 7, 2025 | $913.03 | Down 2.8% |
| Jun 30, 2025 | $939.03 | Down 2.4% |
| Jun 21, 2025 | $962.42 | Down 0.4% |
| Jun 19, 2025 | $965.92 | Up 2.1% |
| Jun 18, 2025 | $945.93 | Down 0.4% |
| Jun 11, 2025 | $949.74 | Down 2.6% |
| Jun 3, 2025 | $974.71 | Down 2.0% |
| Jun 2, 2025 | $994.64 | Up 5.1% |
| May 29, 2025 | $946.48 | Down 0.8% |
| May 28, 2025 | $953.81 | Up 7.3% |
| May 26, 2025 | $888.61 | Down 8.6% |
| May 10, 2025 | $972.20 | Up 3.9% |
| May 7, 2025 | $935.53 | Down 0.9% |
| Apr 30, 2025 | $943.77 | Down 8.7% |
| Apr 21, 2025 | $1,034.14 | Up 6.4% |
| Apr 11, 2025 | $972.13 | Down 10.1% |
| Apr 7, 2025 | $1,081.67 | Up 15.0% |
| Apr 3, 2025 | $940.31 | Down 0.7% |
| Apr 2, 2025 | $947.35 | Down 1.6% |
| Mar 31, 2025 | $963.14 | Up 15.6% |
| Mar 24, 2025 | $833.17 | Down 9.9% |
| Mar 11, 2025 | $924.94 | Down 5.5% |
| Feb 27, 2025 | $978.66 | Down 1.5% |
| Feb 24, 2025 | $993.49 | Up 10.8% |
| Feb 12, 2025 | $896.25 | Up 3.7% |
| Feb 11, 2025 | $864.36 | Down 8.7% |
| Feb 4, 2025 | $946.34 | Down 3.6% |
| Jan 23, 2025 | $981.37 | Down 0.9% |
| Jan 22, 2025 | $989.94 | Up 2.5% |
| Jan 21, 2025 | $966.16 | Up 8.8% |
| Jan 11, 2025 | $888.12 | Down 3.4% |
| Dec 20, 2024 | $919.66 | Down 13.3% |
| Dec 18, 2024 | $1,060.51 | Up 9.9% |
| Dec 8, 2024 | $965.02 | Up 0.0% |
| Dec 7, 2024 | $964.85 | Down 2.1% |
| Dec 6, 2024 | $985.83 | Down 3.5% |
| Dec 2, 2024 | $1,021.23 | Up 3.2% |
| Nov 27, 2024 | $989.59 | Down 0.5% |
| Nov 16, 2024 | $994.64 | Down 7.2% |
| Nov 10, 2024 | $1,071.88 | Up 3.8% |
| Nov 7, 2024 | $1,032.87 | Up 4.2% |
| Oct 29, 2024 | $991.36 | Down 9.4% |
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 navy Blue 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
- Navy Blue Cerakote
- Configuration
- With red dot
- Condition
- New
$1,026.50
at Northfork Firearms
