$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, Robin's Egg Blue Cerakote
Glock 21 Gen4 .45 with Holosun 507K, 4.61 in., 13rd, Robin's Egg Blue Cerakote
- .45
- 13rd
- 4.61 in.
- Striker-fired
- 5% below usual
- Price dropped
$799.99Usually $839.11
Save $39.12
Lower than usual: it usually sells for $839.11, its median price over the last 90 days.
$784.99 + $15.00 shipping to your FFL dealer, before tax and the transfer fee. 22% under MSRP.
Black Canyon Arms
Lowest of 5 stores4.3 (3.5K), stock not reported,
Compare 5 stores
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Landed price | Versus best | Stock | Store link |
|---|---|---|---|---|
Black Canyon Arms4.3 4.3(3.5K)store rating | $799.99 | Best price | Not reported | Buy at Black Canyon Arms (opens in a new tab) |
 Badlands Tactical4.3 4.3(2.9K)store rating | $800.99 | +$1.00 | Not reported | Buy at Badlands Tactical (opens in a new tab) |
 High Desert Guns4.2 4.2(1.9K)store rating | $818.95 | +$18.96 | Not reported | Buy at High Desert Guns (opens in a new tab) |
 Gulf Coast Guns4.6 4.6(9.2K)store rating | $846.98 | +$46.99 | In stock | Buy at Gulf Coast Guns (opens in a new tab) |
 Cedar Hollow Arms4.8 4.8(5.1K)store rating | $867.95 | +$67.96 | In stock | Buy at Cedar Hollow 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
- $839.11
- 90-day median
- 90-day low
- $664.16
- 90-day high
- $959.39
- 2-year low
- $624.74
- Nov 21, 2024
- Unchanged for
- 2 days
- Since Oct 18, 2026
Every price change (116 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 18, 2026 | $799.99 | Down 3.7% |
| Oct 17, 2026 | $830.54 | Down 1.4% |
| Oct 16, 2026 | $842.61 | Down 1.1% |
| Oct 15, 2026 | $851.89 | Up 21.2% |
| Oct 12, 2026 | $703.10 | Down 16.2% |
| Oct 10, 2026 | $839.11 | Up 2.1% |
| Oct 9, 2026 | $821.98 | Up 0.5% |
| Sep 27, 2026 | $817.94 | Up 5.1% |
| Sep 25, 2026 | $777.98 | Down 4.9% |
| Sep 20, 2026 | $818.30 | Up 0.4% |
| Sep 19, 2026 | $814.67 | Up 6.7% |
| Sep 18, 2026 | $763.28 | Down 6.1% |
| Sep 16, 2026 | $812.49 | Down 15.3% |
| Sep 11, 2026 | $959.39 | Up 16.8% |
| Sep 1, 2026 | $821.66 | Down 2.1% |
| Aug 22, 2026 | $839.51 | Down 10.8% |
| Aug 17, 2026 | $941.62 | Up 19.4% |
| Aug 16, 2026 | $788.62 | Down 7.4% |
| Jul 25, 2026 | $851.66 | Up 28.2% |
| Jul 23, 2026 | $664.16 | Down 19.1% |
| Jul 22, 2026 | $820.74 | Down 3.2% |
| Jul 21, 2026 | $848.05 | Up 3.2% |
| Jul 18, 2026 | $821.94 | Down 0.9% |
| Jul 11, 2026 | $829.28 | Up 12.4% |
| Jul 8, 2026 | $737.73 | Down 7.8% |
| Jul 7, 2026 | $800.10 | Down 3.6% |
| Jul 6, 2026 | $830.13 | Up 0.1% |
| Jun 27, 2026 | $828.98 | Up 11.2% |
| Jun 17, 2026 | $745.58 | Down 6.3% |
| Jun 16, 2026 | $796.02 | Down 1.7% |
| Jun 8, 2026 | $809.69 | Up 0.3% |
| Jun 1, 2026 | $807.21 | Up 2.5% |
| May 28, 2026 | $787.87 | Down 11.5% |
| May 12, 2026 | $889.75 | Up 7.6% |
| May 5, 2026 | $827.06 | Up 14.3% |
| Apr 19, 2026 | $723.54 | Down 11.4% |
| Apr 11, 2026 | $816.81 | Up 1.5% |
| Apr 10, 2026 | $805.12 | Down 1.1% |
| Apr 6, 2026 | $814.30 | Down 3.0% |
| Mar 14, 2026 | $839.66 | Up 2.8% |
| Mar 13, 2026 | $816.73 | Up 21.4% |
| Mar 6, 2026 | $672.51 | Down 6.8% |
| Feb 25, 2026 | $721.27 | Down 11.0% |
| Feb 19, 2026 | $810.69 | Up 1.1% |
| Feb 11, 2026 | $801.74 | Up 4.3% |
| Feb 5, 2026 | $768.90 | Down 4.5% |
| Feb 3, 2026 | $805.11 | Up 1.9% |
| Feb 2, 2026 | $790.00 | Up 6.3% |
| Jan 24, 2026 | $743.25 | Down 3.9% |
| Jan 11, 2026 | $773.38 | Down 0.3% |
| Jan 7, 2026 | $775.76 | Down 6.4% |
| Jan 6, 2026 | $828.65 | Up 8.4% |
| Dec 23, 2025 | $764.30 | Down 3.5% |
| Dec 17, 2025 | $791.79 | Down 1.4% |
| Dec 8, 2025 | $803.38 | Up 13.3% |
| Nov 25, 2025 | $708.90 | Down 20.2% |
| Nov 22, 2025 | $888.38 | Up 5.8% |
| Nov 17, 2025 | $839.90 | Down 6.7% |
| Nov 4, 2025 | $900.67 | Up 14.9% |
| Oct 21, 2025 | $783.95 | Down 3.0% |
| Oct 20, 2025 | $808.21 | Up 1.7% |
| Sep 30, 2025 | $794.37 | Up 17.2% |
| Sep 29, 2025 | $677.68 | Down 9.7% |
| Sep 28, 2025 | $750.86 | Down 4.8% |
| Sep 27, 2025 | $788.84 | Down 1.1% |
| Sep 19, 2025 | $797.79 | Down 4.4% |
| Sep 12, 2025 | $834.92 | Up 7.7% |
| Sep 9, 2025 | $775.58 | Down 9.6% |
| Aug 27, 2025 | $857.68 | Up 10.2% |
| Aug 19, 2025 | $778.40 | Up 17.9% |
| Aug 17, 2025 | $660.15 | Down 13.5% |
| Aug 16, 2025 | $763.08 | Down 14.8% |
| Aug 13, 2025 | $896.00 | Up 18.3% |
| Aug 9, 2025 | $757.70 | Down 0.0% |
| Aug 1, 2025 | $757.96 | Down 3.0% |
| Jul 15, 2025 | $781.23 | Down 1.2% |
| Jul 14, 2025 | $790.86 | Up 1.6% |
| Jul 11, 2025 | $778.06 | Up 3.4% |
| Jul 3, 2025 | $752.29 | Down 5.6% |
| Jul 2, 2025 | $797.03 | Up 2.8% |
| Jun 26, 2025 | $775.26 | Up 3.1% |
| Jun 13, 2025 | $751.62 | Down 0.4% |
| May 29, 2025 | $754.78 | Down 1.2% |
| May 25, 2025 | $764.15 | Down 4.3% |
| May 15, 2025 | $798.60 | Up 2.6% |
| May 10, 2025 | $778.45 | Up 1.3% |
| May 9, 2025 | $768.69 | Up 1.3% |
| Apr 26, 2025 | $758.50 | Up 1.2% |
| Apr 24, 2025 | $749.21 | Down 2.6% |
| Apr 22, 2025 | $768.97 | Down 7.4% |
| Apr 14, 2025 | $830.67 | Up 19.8% |
| Apr 11, 2025 | $693.12 | Down 8.8% |
| Apr 2, 2025 | $760.22 | Down 1.9% |
| Mar 26, 2025 | $775.19 | Up 1.2% |
| Mar 25, 2025 | $765.66 | Up 1.4% |
| Mar 14, 2025 | $755.02 | Up 1.7% |
| Mar 13, 2025 | $742.71 | Up 0.2% |
| Mar 12, 2025 | $740.91 | Up 1.7% |
| Mar 5, 2025 | $728.59 | Down 3.5% |
| Mar 1, 2025 | $755.36 | Up 6.8% |
| Feb 21, 2025 | $707.52 | Down 2.8% |
| Feb 18, 2025 | $728.24 | Down 12.4% |
| Feb 17, 2025 | $831.21 | Up 31.8% |
| Feb 16, 2025 | $630.57 | Down 0.8% |
| Feb 2, 2025 | $635.97 | Down 10.5% |
| Feb 1, 2025 | $710.92 | Down 17.7% |
| Jan 30, 2025 | $863.76 | Up 13.8% |
| Jan 26, 2025 | $758.84 | Down 0.2% |
| Jan 3, 2025 | $760.53 | Up 1.4% |
| Dec 8, 2024 | $749.84 | Down 0.4% |
| Dec 5, 2024 | $753.17 | Up 3.9% |
| Nov 27, 2024 | $725.06 | Up 2.2% |
| Nov 22, 2024 | $709.70 | Up 13.6% |
| Nov 20, 2024 | $624.74 | Down 15.3% |
| Oct 31, 2024 | $737.21 | Down 11.1% |
| Oct 28, 2024 | $829.42 | Up 14.7% |
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 robin's Egg 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
- Robin's Egg Blue Cerakote
- Configuration
- With red dot
- Condition
- New
$799.995% below usual
at Black Canyon Arms
