$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 with Holosun 507K, 4.61 in., 13rd, Armor Black Cerakote
- .45
- 13rd
- 4.61 in.
- Striker-fired
$878.44
About usual: it usually sells for $884.08, its median price over the last 90 days.
$858.49 + $19.95 shipping to your FFL dealer, before tax and the transfer fee. 14% under MSRP.
Keystone Shooting Supply
Lowest of 4 stores4.8 (24.5K), in stock,
Compare 5 stores
4 in stock.
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Landed price | Versus best | Stock | Store link |
|---|---|---|---|---|
Keystone Shooting Supply4.8 4.8(24.5K)store rating | $878.44 | Best price | In stock | Buy at Keystone Shooting Supply (opens in a new tab) |
 Sawtooth Outfitters4.5 4.5(3.9K)store rating | $894.99 | +$16.55 | Not reported | Buy at Sawtooth Outfitters (opens in a new tab) |
 Coyote Trail Supply4.5 4.5(8.1K)store rating | $963.98 | +$85.54 | In stock | Buy at Coyote Trail Supply (opens in a new tab) |
 Timber Ridge Sporting4.6 4.6(41.3K)store rating | $995.94 | +$117.50 | In stock | Buy at Timber Ridge Sporting (opens in a new tab) |
 Great Lakes Tactical4.4 4.4(5.5K)store rating | $835.98 | Not available | Out of stock | View at Great Lakes Tactical (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
- $884.08
- 90-day median
- 90-day low
- $815.76
- 90-day high
- $894.91
- 2-year low
- $731.06
- Apr 3, 2026
- Unchanged for
- 6 days
- Since Oct 14, 2026
Every price change (137 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 14, 2026 | $878.44 | Up 1.5% |
| Oct 10, 2026 | $865.57 | Down 3.1% |
| Oct 6, 2026 | $893.64 | Up 5.1% |
| Oct 5, 2026 | $849.98 | Down 1.7% |
| Oct 4, 2026 | $864.50 | Down 2.2% |
| Sep 29, 2026 | $884.08 | Down 1.2% |
| Sep 25, 2026 | $894.91 | Up 0.5% |
| Sep 15, 2026 | $890.15 | Down 0.5% |
| Sep 14, 2026 | $894.36 | Up 8.7% |
| Sep 11, 2026 | $822.92 | Down 7.6% |
| Sep 6, 2026 | $890.69 | Up 1.7% |
| Aug 27, 2026 | $875.57 | Up 7.3% |
| Aug 23, 2026 | $815.76 | Down 5.2% |
| Aug 21, 2026 | $860.75 | Down 3.4% |
| Aug 18, 2026 | $891.20 | Up 6.6% |
| Aug 12, 2026 | $836.37 | Down 5.2% |
| Aug 8, 2026 | $882.38 | Up 1.4% |
| Aug 6, 2026 | $870.00 | Down 1.6% |
| Aug 1, 2026 | $884.46 | Down 0.5% |
| Jul 22, 2026 | $889.01 | Up 12.4% |
| Jul 21, 2026 | $790.78 | Down 13.6% |
| Jul 19, 2026 | $915.72 | Up 3.6% |
| Jul 18, 2026 | $884.17 | Down 1.2% |
| Jul 13, 2026 | $894.69 | Down 0.6% |
| Jul 2, 2026 | $900.42 | Down 0.5% |
| Jun 28, 2026 | $905.18 | Up 1.5% |
| Jun 22, 2026 | $891.85 | Down 1.2% |
| Jun 7, 2026 | $902.49 | Up 0.0% |
| Jun 6, 2026 | $902.05 | Down 0.9% |
| May 30, 2026 | $910.01 | Down 1.7% |
| May 24, 2026 | $925.85 | Up 1.4% |
| May 5, 2026 | $913.01 | Up 3.5% |
| May 3, 2026 | $882.40 | Down 0.9% |
| May 1, 2026 | $890.75 | Up 1.6% |
| Apr 30, 2026 | $876.79 | Down 1.5% |
| Apr 24, 2026 | $890.59 | Up 1.2% |
| Apr 21, 2026 | $879.96 | Up 15.0% |
| Apr 19, 2026 | $764.86 | Down 19.8% |
| Apr 4, 2026 | $953.45 | Up 30.4% |
| Apr 1, 2026 | $731.06 | Down 20.9% |
| Mar 25, 2026 | $924.08 | Up 0.9% |
| Mar 10, 2026 | $916.28 | Up 3.3% |
| Mar 9, 2026 | $887.42 | Down 10.5% |
| Feb 26, 2026 | $991.90 | Up 8.5% |
| Feb 25, 2026 | $914.52 | Down 12.8% |
| Feb 24, 2026 | $1,049.25 | Up 14.6% |
| Feb 17, 2026 | $915.29 | Down 8.2% |
| Feb 16, 2026 | $997.24 | Down 3.8% |
| Feb 13, 2026 | $1,036.18 | Up 15.1% |
| Feb 9, 2026 | $900.27 | Down 8.4% |
| Jan 26, 2026 | $983.14 | Up 4.9% |
| Jan 25, 2026 | $937.40 | Up 2.0% |
| Jan 18, 2026 | $919.41 | Down 3.7% |
| Jan 13, 2026 | $954.31 | Up 4.0% |
| Jan 12, 2026 | $917.68 | Up 14.2% |
| Jan 7, 2026 | $803.88 | Down 10.4% |
| Jan 1, 2026 | $897.24 | Down 4.7% |
| Dec 25, 2025 | $941.70 | Up 3.1% |
| Dec 9, 2025 | $913.23 | Down 13.2% |
| Dec 7, 2025 | $1,051.95 | Up 11.7% |
| Dec 3, 2025 | $941.78 | Up 2.8% |
| Nov 29, 2025 | $916.16 | Up 10.7% |
| Nov 26, 2025 | $827.35 | Down 12.4% |
| Nov 22, 2025 | $944.20 | Up 25.3% |
| Nov 21, 2025 | $753.45 | Down 18.8% |
| Nov 19, 2025 | $927.39 | Down 8.6% |
| Nov 14, 2025 | $1,014.44 | Up 8.0% |
| Oct 31, 2025 | $939.44 | Down 4.1% |
| Oct 22, 2025 | $979.50 | Up 6.4% |
| Oct 20, 2025 | $920.21 | Up 17.9% |
| Oct 19, 2025 | $780.23 | Down 16.6% |
| Oct 18, 2025 | $935.23 | Down 7.7% |
| Oct 17, 2025 | $1,012.71 | Up 5.5% |
| Oct 10, 2025 | $959.99 | Down 8.6% |
| Oct 1, 2025 | $1,050.88 | Up 13.8% |
| Sep 30, 2025 | $923.33 | Down 10.3% |
| Sep 21, 2025 | $1,029.76 | Up 9.2% |
| Sep 14, 2025 | $942.75 | Up 2.3% |
| Sep 12, 2025 | $921.30 | Down 9.0% |
| Sep 11, 2025 | $1,012.23 | Up 5.0% |
| Sep 10, 2025 | $964.29 | Down 10.2% |
| Aug 29, 2025 | $1,073.72 | Up 4.5% |
| Aug 14, 2025 | $1,027.97 | Up 32.5% |
| Aug 13, 2025 | $775.95 | Down 15.8% |
| Aug 10, 2025 | $921.26 | Down 2.2% |
| Aug 8, 2025 | $941.69 | Down 11.6% |
| Aug 2, 2025 | $1,065.08 | Up 11.1% |
| Jul 29, 2025 | $958.94 | Up 5.8% |
| Jul 27, 2025 | $906.50 | Down 14.6% |
| Jul 26, 2025 | $1,061.10 | Up 15.2% |
| Jul 8, 2025 | $921.11 | Down 2.7% |
| Jul 7, 2025 | $946.85 | Up 13.9% |
| Jul 3, 2025 | $831.24 | Down 14.6% |
| Jul 2, 2025 | $972.90 | Up 4.7% |
| Jun 29, 2025 | $929.49 | Up 2.9% |
| Jun 28, 2025 | $902.97 | Down 5.3% |
| Jun 13, 2025 | $953.73 | Up 23.7% |
| May 25, 2025 | $771.05 | Down 20.2% |
| May 24, 2025 | $966.68 | Down 5.4% |
| May 13, 2025 | $1,022.24 | Up 5.3% |
| Apr 28, 2025 | $970.77 | Down 1.6% |
| Apr 24, 2025 | $986.33 | Up 8.8% |
| Apr 23, 2025 | $906.38 | Down 9.1% |
| Apr 17, 2025 | $996.87 | Up 2.2% |
| Apr 15, 2025 | $975.45 | Down 1.7% |
| Apr 3, 2025 | $992.19 | Down 1.7% |
| Mar 30, 2025 | $1,009.62 | Up 1.2% |
| Mar 21, 2025 | $997.22 | Up 5.2% |
| Mar 18, 2025 | $947.58 | Down 3.0% |
| Mar 1, 2025 | $977.38 | Up 14.5% |
| Feb 22, 2025 | $853.37 | Down 14.5% |
| Feb 13, 2025 | $998.23 | Up 5.7% |
| Feb 10, 2025 | $944.50 | Up 18.4% |
| Feb 4, 2025 | $797.81 | Down 15.3% |
| Feb 1, 2025 | $941.55 | Up 18.4% |
| Jan 22, 2025 | $795.49 | Down 10.1% |
| Jan 19, 2025 | $884.80 | Down 6.0% |
| Jan 18, 2025 | $941.53 | Down 3.1% |
| Jan 16, 2025 | $971.89 | Up 17.6% |
| Jan 12, 2025 | $826.67 | Down 16.6% |
| Jan 11, 2025 | $991.08 | Up 0.1% |
| Jan 10, 2025 | $990.34 | Down 1.9% |
| Jan 7, 2025 | $1,009.10 | Up 4.9% |
| Dec 23, 2024 | $962.39 | Down 12.5% |
| Dec 22, 2024 | $1,099.82 | Up 9.1% |
| Dec 16, 2024 | $1,008.41 | Up 0.0% |
| Dec 15, 2024 | $1,008.36 | Down 2.3% |
| Dec 13, 2024 | $1,032.32 | Up 18.0% |
| Dec 8, 2024 | $874.50 | Down 13.1% |
| Dec 2, 2024 | $1,006.58 | Down 5.0% |
| Dec 1, 2024 | $1,059.75 | Up 4.1% |
| Nov 25, 2024 | $1,017.57 | Up 3.3% |
| Nov 19, 2024 | $985.40 | Up 15.8% |
| Nov 18, 2024 | $850.95 | Down 13.6% |
| Nov 8, 2024 | $984.45 | Down 4.9% |
| Nov 3, 2024 | $1,035.21 | Up 24.3% |
| Oct 31, 2024 | $832.59 | Down 17.5% |
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 armor Black 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
- Armor Black Cerakote
- Configuration
- With red dot
- Condition
- New
$878.44
at Keystone Shooting Supply
