$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 Threaded Barrel, 4.61 in., 13rd, Multicam Hydrographic
- .45
- 13rd
- 4.61 in.
- Striker-fired
$838.94
4% above usual
Higher than usual: it usually sells for $809.22, its median price over the last 90 days.
$818.99 + $19.95 shipping to your FFL dealer, before tax and the transfer fee. 3% under MSRP.
Keystone Shooting Supply
Lowest of 2 stores4.8 (24.5K), in stock,
Compare 3 stores
2 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 | $838.94 | Best price | In stock | Buy at Keystone Shooting Supply (opens in a new tab) |
 Prairie Fire Supply4.1 4.1(1.2K)store rating | $839.94 | +$1.00 | Not reported | Buy at Prairie Fire Supply (opens in a new tab) |
 Black Canyon Arms4.3 4.3(3.5K)store rating | $866.99 | Not available | Out of stock | View at Black Canyon Arms (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
- $809.22
- 90-day median
- 90-day low
- $730.21
- 90-day high
- $900.84
- 2-year low
- $644.26
- Jul 3, 2026
- Unchanged for
- 3 days
- Since Oct 17, 2026
Every price change (133 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 17, 2026 | $838.94 | Up 14.9% |
| Oct 10, 2026 | $730.21 | Down 8.4% |
| Oct 1, 2026 | $797.33 | Up 1.0% |
| Sep 14, 2026 | $789.17 | Down 3.7% |
| Aug 22, 2026 | $819.48 | Down 9.0% |
| Aug 18, 2026 | $900.84 | Up 10.5% |
| Aug 16, 2026 | $815.12 | Up 3.0% |
| Aug 15, 2026 | $791.40 | Down 2.3% |
| Aug 14, 2026 | $810.39 | Down 0.9% |
| Aug 11, 2026 | $818.12 | Up 1.1% |
| Jul 30, 2026 | $809.22 | Up 1.2% |
| Jul 29, 2026 | $799.24 | Down 3.1% |
| Jul 25, 2026 | $824.74 | Up 12.8% |
| Jul 24, 2026 | $730.83 | Down 9.7% |
| Jul 23, 2026 | $809.67 | Up 1.4% |
| Jul 21, 2026 | $798.51 | Down 1.1% |
| Jul 19, 2026 | $807.53 | Down 3.5% |
| Jul 13, 2026 | $836.91 | Up 4.1% |
| Jul 4, 2026 | $803.91 | Up 24.8% |
| Jun 24, 2026 | $644.26 | Down 20.7% |
| Jun 22, 2026 | $812.86 | Down 9.5% |
| Jun 19, 2026 | $898.09 | Up 6.9% |
| Jun 14, 2026 | $839.83 | Up 5.3% |
| Jun 7, 2026 | $797.79 | Up 1.7% |
| Jun 4, 2026 | $784.12 | Down 16.2% |
| May 30, 2026 | $936.23 | Up 16.2% |
| May 29, 2026 | $805.78 | Down 1.8% |
| May 11, 2026 | $820.36 | Down 0.5% |
| May 1, 2026 | $824.21 | Up 11.7% |
| Apr 15, 2026 | $737.56 | Up 6.6% |
| Apr 14, 2026 | $691.72 | Down 16.7% |
| Apr 9, 2026 | $830.72 | Up 14.0% |
| Apr 3, 2026 | $728.50 | Down 14.2% |
| Mar 30, 2026 | $849.05 | Up 0.2% |
| Mar 27, 2026 | $847.01 | Up 4.6% |
| Mar 24, 2026 | $810.03 | Down 9.7% |
| Mar 23, 2026 | $897.26 | Up 10.5% |
| Mar 22, 2026 | $811.83 | Down 1.3% |
| Mar 19, 2026 | $822.68 | Up 13.7% |
| Mar 17, 2026 | $723.66 | Down 13.5% |
| Mar 11, 2026 | $836.29 | Up 10.4% |
| Mar 6, 2026 | $757.21 | Down 1.5% |
| Mar 3, 2026 | $768.91 | Down 6.8% |
| Feb 27, 2026 | $825.13 | Down 4.4% |
| Feb 17, 2026 | $863.23 | Down 7.5% |
| Feb 13, 2026 | $932.79 | Up 29.9% |
| Feb 4, 2026 | $718.24 | Down 10.8% |
| Feb 1, 2026 | $805.49 | Down 14.4% |
| Jan 31, 2026 | $940.72 | Up 32.4% |
| Jan 26, 2026 | $710.38 | Down 12.9% |
| Jan 23, 2026 | $815.36 | Down 4.2% |
| Jan 10, 2026 | $850.79 | Up 0.8% |
| Jan 6, 2026 | $844.02 | Down 2.5% |
| Dec 29, 2025 | $865.77 | Up 7.7% |
| Dec 27, 2025 | $804.23 | Up 11.8% |
| Dec 22, 2025 | $719.40 | Down 10.4% |
| Dec 19, 2025 | $803.03 | Down 3.6% |
| Dec 12, 2025 | $833.22 | Down 2.3% |
| Dec 11, 2025 | $853.09 | Down 3.4% |
| Dec 1, 2025 | $883.21 | Up 1.1% |
| Nov 30, 2025 | $873.89 | Up 3.6% |
| Nov 23, 2025 | $843.60 | Up 0.8% |
| Nov 19, 2025 | $837.15 | Down 5.4% |
| Nov 14, 2025 | $885.22 | Up 2.4% |
| Nov 3, 2025 | $864.59 | Up 3.1% |
| Oct 30, 2025 | $838.62 | Up 1.2% |
| Oct 26, 2025 | $828.32 | Down 3.9% |
| Oct 16, 2025 | $862.36 | Down 2.6% |
| Oct 15, 2025 | $885.01 | Up 2.2% |
| Oct 9, 2025 | $865.73 | Up 2.6% |
| Sep 24, 2025 | $844.07 | Down 2.5% |
| Sep 23, 2025 | $865.93 | Up 1.5% |
| Sep 22, 2025 | $853.13 | Up 10.9% |
| Sep 17, 2025 | $769.07 | Up 1.5% |
| Sep 16, 2025 | $757.67 | Down 12.0% |
| Sep 9, 2025 | $860.70 | Up 4.7% |
| Sep 5, 2025 | $821.91 | Up 1.7% |
| Sep 4, 2025 | $808.01 | Up 9.9% |
| Sep 2, 2025 | $735.37 | Down 15.3% |
| Aug 25, 2025 | $868.15 | Up 3.4% |
| Aug 23, 2025 | $839.67 | Down 3.6% |
| Aug 19, 2025 | $870.74 | Up 2.0% |
| Aug 13, 2025 | $853.42 | Down 14.3% |
| Jul 23, 2025 | $996.09 | Up 15.4% |
| Jul 17, 2025 | $863.31 | Down 4.2% |
| Jul 12, 2025 | $900.90 | Up 6.6% |
| Jul 1, 2025 | $845.43 | Down 17.8% |
| Jun 25, 2025 | $1,028.64 | Up 14.9% |
| Jun 24, 2025 | $895.34 | Down 0.3% |
| Jun 23, 2025 | $898.16 | Down 0.4% |
| Jun 18, 2025 | $901.73 | Up 4.7% |
| Jun 16, 2025 | $861.61 | Up 0.5% |
| Jun 9, 2025 | $857.50 | Up 6.2% |
| Jun 7, 2025 | $807.18 | Down 10.0% |
| Jun 6, 2025 | $897.13 | Up 3.8% |
| Jun 4, 2025 | $864.32 | Down 2.6% |
| Jun 2, 2025 | $887.69 | Down 8.8% |
| May 25, 2025 | $973.84 | Up 8.2% |
| May 23, 2025 | $899.94 | Down 1.2% |
| May 19, 2025 | $910.94 | Up 1.8% |
| May 11, 2025 | $894.70 | Down 4.7% |
| May 6, 2025 | $939.05 | Up 0.1% |
| Apr 26, 2025 | $938.54 | Up 0.1% |
| Apr 22, 2025 | $937.70 | Up 1.6% |
| Apr 19, 2025 | $922.72 | Down 2.1% |
| Apr 14, 2025 | $942.50 | Up 4.2% |
| Apr 3, 2025 | $904.19 | Down 1.6% |
| Apr 1, 2025 | $918.74 | Up 1.9% |
| Mar 24, 2025 | $901.44 | Up 8.1% |
| Mar 17, 2025 | $834.18 | Down 11.8% |
| Mar 15, 2025 | $945.85 | Up 2.5% |
| Mar 9, 2025 | $922.98 | Down 6.5% |
| Mar 4, 2025 | $987.00 | Up 5.0% |
| Feb 4, 2025 | $939.75 | Up 4.0% |
| Feb 2, 2025 | $903.94 | Down 1.5% |
| Jan 27, 2025 | $917.82 | Up 0.9% |
| Jan 22, 2025 | $909.59 | Up 4.5% |
| Jan 14, 2025 | $870.32 | Down 6.5% |
| Jan 11, 2025 | $930.69 | Down 0.2% |
| Jan 4, 2025 | $932.98 | Up 0.3% |
| Dec 25, 2024 | $930.18 | Up 4.6% |
| Dec 24, 2024 | $889.08 | Down 4.4% |
| Dec 12, 2024 | $929.95 | Down 5.1% |
| Dec 10, 2024 | $980.06 | Up 3.4% |
| Dec 8, 2024 | $948.02 | Up 0.9% |
| Dec 4, 2024 | $939.85 | Up 0.2% |
| Dec 2, 2024 | $937.74 | Up 5.4% |
| Nov 27, 2024 | $889.68 | Down 1.5% |
| Nov 16, 2024 | $903.19 | Down 3.6% |
| Nov 14, 2024 | $937.06 | Up 4.0% |
| Nov 12, 2024 | $901.09 | Down 3.9% |
| Nov 8, 2024 | $937.64 | Up 1.1% |
| Oct 24, 2024 | $927.65 | Down 3.9% |
About this product
The Glock 21 Gen4 .45 Threaded Barrel 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 multicam Hydrographic finish in the threaded barrel 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
- Multicam Hydrographic
- Configuration
- Threaded barrel
- Condition
- New
$838.94
at Keystone Shooting Supply
