$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, Two-Tone
Glock 21 Gen4 .45 with Holosun 508T, 4.61 in., 13rd, Two-Tone
- .45
- 13rd
- 4.61 in.
- Striker-fired
$893.94
About usual: it usually sells for $887.16, its median price over the last 90 days.
$873.99 + $19.95 shipping to your FFL dealer, before tax and the transfer fee. 15% 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 | $893.94 | Best price | In stock | Buy at Keystone Shooting Supply (opens in a new tab) |
 Black Canyon Arms4.3 4.3(3.5K)store rating | $894.94 | +$1.00 | Not reported | Buy at Black Canyon Arms (opens in a new tab) |
 Granite Peak Supply4.6 4.6(6.4K)store rating | $899.94 | +$6.00 | In stock | Buy at Granite Peak Supply (opens in a new tab) |
 Palisade Sporting Goods4.2 4.2(52.8K)store rating | $1,049.98 | +$156.04 | In stock | Buy at Palisade Sporting Goods (opens in a new tab) |
 Bayou Arms Co.4.1 4.1(1.7K)store rating | $904.95 | Not available | Out of stock | View at Bayou Arms Co. (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
- $887.16
- 90-day median
- 90-day low
- $729.57
- 90-day high
- $920.11
- 2-year low
- $720.58
- Mar 22, 2026
- Unchanged for
- 2 days
- Since Oct 18, 2026
Every price change (112 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 18, 2026 | $893.94 | Up 0.9% |
| Oct 13, 2026 | $885.57 | Up 15.1% |
| Oct 9, 2026 | $769.59 | Down 14.4% |
| Oct 2, 2026 | $899.57 | Up 2.3% |
| Sep 28, 2026 | $879.64 | Up 0.3% |
| Sep 23, 2026 | $876.65 | Down 3.0% |
| Sep 15, 2026 | $903.74 | Down 0.1% |
| Sep 12, 2026 | $904.22 | Up 23.9% |
| Sep 10, 2026 | $729.57 | Down 20.5% |
| Sep 8, 2026 | $917.27 | Up 3.5% |
| Sep 3, 2026 | $886.05 | Up 14.0% |
| Aug 30, 2026 | $776.90 | Down 11.6% |
| Aug 22, 2026 | $878.56 | Up 16.6% |
| Aug 16, 2026 | $753.16 | Down 14.4% |
| Aug 14, 2026 | $879.57 | Down 2.5% |
| Jul 30, 2026 | $902.06 | Up 1.1% |
| Jul 28, 2026 | $892.39 | Down 3.0% |
| Jul 27, 2026 | $920.11 | Up 3.6% |
| Jul 26, 2026 | $888.27 | Down 1.1% |
| Jul 11, 2026 | $898.41 | Down 1.4% |
| Jul 6, 2026 | $911.54 | Up 1.8% |
| Jun 21, 2026 | $895.33 | Up 6.8% |
| Jun 20, 2026 | $838.44 | Down 4.5% |
| Jun 18, 2026 | $878.38 | Down 3.3% |
| Jun 17, 2026 | $907.92 | Up 22.5% |
| Jun 15, 2026 | $741.42 | Down 18.6% |
| Jun 13, 2026 | $910.49 | Up 11.5% |
| Jun 10, 2026 | $816.82 | Down 13.8% |
| Jun 7, 2026 | $948.01 | Up 1.2% |
| Jun 6, 2026 | $936.93 | Up 6.2% |
| May 9, 2026 | $882.42 | Down 4.2% |
| May 8, 2026 | $921.09 | Down 4.7% |
| Apr 25, 2026 | $966.25 | Up 7.9% |
| Apr 13, 2026 | $895.86 | Down 2.6% |
| Apr 4, 2026 | $920.06 | Up 1.7% |
| Mar 29, 2026 | $904.34 | Down 1.2% |
| Mar 25, 2026 | $915.09 | Up 12.7% |
| Mar 23, 2026 | $812.06 | Up 12.7% |
| Mar 22, 2026 | $720.58 | Down 21.2% |
| Mar 20, 2026 | $914.01 | Up 1.9% |
| Mar 17, 2026 | $896.65 | Down 1.7% |
| Mar 11, 2026 | $912.02 | Down 1.3% |
| Mar 4, 2026 | $924.20 | Up 5.1% |
| Feb 18, 2026 | $879.12 | Down 3.2% |
| Feb 6, 2026 | $908.33 | Up 4.2% |
| Jan 25, 2026 | $871.32 | Down 3.4% |
| Jan 16, 2026 | $901.57 | Up 1.2% |
| Jan 15, 2026 | $890.55 | Up 0.4% |
| Jan 10, 2026 | $886.97 | Up 2.9% |
| Dec 31, 2025 | $862.25 | Down 3.1% |
| Dec 17, 2025 | $890.07 | Down 1.5% |
| Nov 30, 2025 | $903.37 | Up 0.7% |
| Nov 23, 2025 | $896.71 | Down 11.9% |
| Nov 3, 2025 | $1,018.35 | Up 13.6% |
| Oct 22, 2025 | $896.36 | Up 11.8% |
| Oct 21, 2025 | $801.63 | Down 12.4% |
| Oct 14, 2025 | $914.79 | Down 1.5% |
| Sep 22, 2025 | $928.91 | Down 4.1% |
| Sep 21, 2025 | $968.22 | Up 6.5% |
| Sep 5, 2025 | $909.34 | Up 3.2% |
| Sep 1, 2025 | $881.35 | Down 1.4% |
| Aug 31, 2025 | $894.11 | Down 2.1% |
| Aug 13, 2025 | $912.94 | Down 12.2% |
| Aug 1, 2025 | $1,040.09 | Up 16.4% |
| Jul 23, 2025 | $893.35 | Up 17.0% |
| Jul 22, 2025 | $763.42 | Down 17.8% |
| Jul 15, 2025 | $928.43 | Up 6.0% |
| Jul 12, 2025 | $875.84 | Down 4.7% |
| Jul 3, 2025 | $919.50 | Down 0.1% |
| Jun 30, 2025 | $920.71 | Up 9.0% |
| Jun 21, 2025 | $844.57 | Down 8.7% |
| Jun 18, 2025 | $925.10 | Up 0.9% |
| May 29, 2025 | $916.78 | Up 4.5% |
| May 24, 2025 | $877.31 | Down 3.9% |
| May 18, 2025 | $913.02 | Up 5.2% |
| May 16, 2025 | $867.70 | Down 4.1% |
| May 15, 2025 | $904.89 | Up 0.3% |
| May 14, 2025 | $902.35 | Up 4.4% |
| May 8, 2025 | $863.94 | Down 4.6% |
| May 6, 2025 | $906.01 | Down 10.8% |
| May 4, 2025 | $1,016.20 | Up 25.8% |
| Apr 24, 2025 | $807.66 | Down 12.1% |
| Apr 16, 2025 | $919.31 | Down 11.6% |
| Apr 13, 2025 | $1,040.09 | Up 5.6% |
| Apr 10, 2025 | $984.77 | Up 11.0% |
| Apr 4, 2025 | $886.99 | Down 3.8% |
| Apr 3, 2025 | $921.69 | Down 2.4% |
| Mar 23, 2025 | $944.46 | Up 5.5% |
| Mar 20, 2025 | $895.34 | Down 10.4% |
| Mar 15, 2025 | $998.94 | Up 8.0% |
| Mar 13, 2025 | $925.28 | Up 0.7% |
| Mar 11, 2025 | $918.65 | Down 6.6% |
| Mar 7, 2025 | $983.86 | Up 10.0% |
| Mar 6, 2025 | $894.82 | Down 1.7% |
| Feb 23, 2025 | $910.66 | Up 2.3% |
| Feb 11, 2025 | $889.79 | Down 2.2% |
| Feb 3, 2025 | $910.11 | Down 0.7% |
| Jan 18, 2025 | $916.83 | Down 2.2% |
| Jan 2, 2025 | $937.52 | Up 6.0% |
| Dec 30, 2024 | $884.11 | Up 15.8% |
| Dec 26, 2024 | $763.45 | Down 9.9% |
| Dec 22, 2024 | $847.35 | Up 10.1% |
| Dec 18, 2024 | $769.95 | Down 14.1% |
| Dec 8, 2024 | $896.42 | Up 22.5% |
| Dec 5, 2024 | $731.91 | Down 15.6% |
| Dec 3, 2024 | $866.69 | Down 6.1% |
| Nov 27, 2024 | $923.24 | Up 19.2% |
| Nov 22, 2024 | $774.55 | Down 17.3% |
| Nov 8, 2024 | $936.97 | Down 10.0% |
| Oct 30, 2024 | $1,040.86 | Up 12.9% |
| Oct 29, 2024 | $921.99 | Up 1.1% |
| Oct 27, 2024 | $912.04 | Down 8.2% |
About this product
The Glock 21 Gen4 .45 with Holosun 508T 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 two-Tone 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
- Two-Tone
- Configuration
- With red dot
- Condition
- New
$893.94
at Keystone Shooting Supply
