$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, Gunmetal Grey Cerakote
Glock 21 Gen4 .45, 4.61 in., 13rd, Gunmetal Grey Cerakote
- .45
- 13rd
- 4.61 in.
- Striker-fired
$681.98
About usual: it usually sells for $683.94, its median price over the last 90 days.
$656.99 + $24.99 shipping to your FFL dealer, before tax and the transfer fee. 11% under MSRP.
Great Lakes Tactical
Lowest of 2 stores4.4 (5.5K), in stock,
Compare 5 stores
2 in stock.
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Landed price | Versus best | Stock | Store link |
|---|---|---|---|---|
Great Lakes Tactical4.4 4.4(5.5K)store rating | $681.98 | Best price | In stock | Buy at Great Lakes Tactical (opens in a new tab) |
 Iron Mesa Armory4.9 4.9(12.7K)store rating | $778.95 | +$96.97 | In stock | Buy at Iron Mesa Armory (opens in a new tab) |
 Coyote Trail Supply4.5 4.5(8.1K)store rating | $602.98 | Not available | Out of stock | View at Coyote Trail Supply (opens in a new tab) |
 Palisade Sporting Goods4.2 4.2(52.8K)store rating | $605.48 | Not available | Out of stock | View at Palisade Sporting Goods (opens in a new tab) |
 Northfork Firearms4.7 4.7(7.3K)store rating | $629.49 | Not available | Out of stock | View at Northfork Firearms (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
- $683.94
- 90-day median
- 90-day low
- $570.77
- 90-day high
- $727.66
- 2-year low
- $570.77
- Oct 8, 2026
- Unchanged for
- 8 days
- Since Oct 12, 2026
Every price change (118 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 12, 2026 | $681.98 | Up 3.4% |
| Oct 9, 2026 | $659.73 | Up 15.6% |
| Oct 7, 2026 | $570.77 | Down 16.0% |
| Oct 2, 2026 | $679.68 | Up 3.3% |
| Sep 27, 2026 | $657.87 | Down 3.3% |
| Sep 26, 2026 | $680.32 | Down 3.0% |
| Sep 25, 2026 | $701.27 | Down 3.4% |
| Sep 24, 2026 | $725.60 | Up 1.3% |
| Sep 20, 2026 | $716.12 | Down 1.6% |
| Sep 16, 2026 | $727.66 | Up 5.4% |
| Sep 4, 2026 | $690.23 | Up 15.6% |
| Aug 19, 2026 | $597.28 | Down 12.7% |
| Jul 29, 2026 | $683.94 | Down 2.1% |
| Jul 26, 2026 | $698.65 | Up 10.6% |
| Jul 20, 2026 | $631.69 | Down 10.1% |
| Jul 5, 2026 | $702.34 | Up 20.8% |
| Jun 30, 2026 | $581.45 | Down 14.9% |
| Jun 20, 2026 | $682.92 | Down 1.0% |
| Jun 16, 2026 | $689.57 | Down 3.6% |
| Jun 15, 2026 | $715.40 | Up 3.1% |
| Jun 13, 2026 | $694.10 | Down 9.9% |
| Jun 12, 2026 | $770.41 | Down 1.2% |
| May 31, 2026 | $779.45 | Up 18.7% |
| May 29, 2026 | $656.67 | Up 9.1% |
| May 23, 2026 | $601.67 | Down 17.5% |
| May 17, 2026 | $729.10 | Up 2.3% |
| May 16, 2026 | $713.05 | Up 0.9% |
| May 11, 2026 | $706.73 | Down 2.1% |
| May 8, 2026 | $722.14 | Up 2.2% |
| Apr 27, 2026 | $706.84 | Down 3.2% |
| Apr 25, 2026 | $730.21 | Down 2.1% |
| Apr 23, 2026 | $745.70 | Up 14.7% |
| Apr 22, 2026 | $650.36 | Down 5.0% |
| Apr 21, 2026 | $684.38 | Up 10.9% |
| Apr 11, 2026 | $617.32 | Down 13.1% |
| Apr 6, 2026 | $710.07 | Up 3.6% |
| Mar 22, 2026 | $685.19 | Down 5.9% |
| Mar 13, 2026 | $728.14 | Up 1.1% |
| Mar 7, 2026 | $720.53 | Down 1.7% |
| Mar 1, 2026 | $733.00 | Up 0.9% |
| Feb 27, 2026 | $726.66 | Up 3.6% |
| Feb 16, 2026 | $701.74 | Down 5.4% |
| Feb 2, 2026 | $741.52 | Down 1.4% |
| Jan 30, 2026 | $751.71 | Down 4.3% |
| Jan 29, 2026 | $785.22 | Up 4.4% |
| Jan 26, 2026 | $752.01 | Up 14.7% |
| Jan 20, 2026 | $655.56 | Down 9.2% |
| Jan 19, 2026 | $722.26 | Down 1.1% |
| Jan 14, 2026 | $730.46 | Down 1.3% |
| Dec 31, 2025 | $739.98 | Up 0.0% |
| Dec 29, 2025 | $739.96 | Down 7.9% |
| Dec 28, 2025 | $803.40 | Up 10.0% |
| Dec 11, 2025 | $730.47 | Down 0.4% |
| Dec 9, 2025 | $733.22 | Up 16.5% |
| Dec 8, 2025 | $629.30 | Down 17.9% |
| Dec 7, 2025 | $766.76 | Down 1.1% |
| Nov 27, 2025 | $775.12 | Up 3.0% |
| Nov 10, 2025 | $752.32 | Down 6.8% |
| Nov 8, 2025 | $806.79 | Up 6.7% |
| Nov 3, 2025 | $756.34 | Down 0.8% |
| Nov 2, 2025 | $762.39 | Down 2.1% |
| Oct 13, 2025 | $778.74 | Up 4.7% |
| Sep 26, 2025 | $743.64 | Down 1.2% |
| Sep 11, 2025 | $752.65 | Up 15.1% |
| Sep 9, 2025 | $653.91 | Down 3.2% |
| Aug 30, 2025 | $675.21 | Down 12.5% |
| Aug 29, 2025 | $771.25 | Down 1.5% |
| Aug 25, 2025 | $782.90 | Up 19.3% |
| Aug 24, 2025 | $656.15 | Down 17.0% |
| Aug 14, 2025 | $790.39 | Up 3.1% |
| Aug 10, 2025 | $766.70 | Down 0.6% |
| Aug 1, 2025 | $771.43 | Up 21.9% |
| Jul 29, 2025 | $632.88 | Down 2.7% |
| Jul 16, 2025 | $650.55 | Down 15.5% |
| Jul 8, 2025 | $770.08 | Up 11.4% |
| Jun 23, 2025 | $691.27 | Down 12.4% |
| Jun 22, 2025 | $789.22 | Down 10.7% |
| Jun 21, 2025 | $883.40 | Up 11.0% |
| Jun 16, 2025 | $796.10 | Down 7.5% |
| Jun 10, 2025 | $860.42 | Up 5.6% |
| May 31, 2025 | $814.82 | Down 0.1% |
| May 19, 2025 | $815.59 | Up 5.9% |
| May 16, 2025 | $769.93 | Up 1.7% |
| May 12, 2025 | $757.34 | Up 0.7% |
| May 11, 2025 | $751.76 | Up 16.3% |
| May 7, 2025 | $646.53 | Down 20.0% |
| May 6, 2025 | $807.96 | Up 0.3% |
| Apr 26, 2025 | $805.22 | Down 1.9% |
| Apr 16, 2025 | $820.69 | Up 15.9% |
| Apr 10, 2025 | $708.07 | Down 13.8% |
| Apr 6, 2025 | $821.62 | Down 1.1% |
| Mar 27, 2025 | $830.62 | Down 9.5% |
| Mar 17, 2025 | $917.68 | Up 24.9% |
| Mar 11, 2025 | $734.56 | Down 9.1% |
| Mar 10, 2025 | $808.11 | Up 2.5% |
| Feb 28, 2025 | $788.17 | Down 1.9% |
| Feb 24, 2025 | $803.60 | Down 2.4% |
| Feb 10, 2025 | $822.98 | Up 2.8% |
| Jan 25, 2025 | $800.64 | Down 2.2% |
| Jan 24, 2025 | $818.33 | Down 0.7% |
| Jan 23, 2025 | $823.77 | Up 6.1% |
| Jan 21, 2025 | $776.45 | Up 4.2% |
| Jan 17, 2025 | $744.80 | Up 6.1% |
| Jan 14, 2025 | $701.65 | Down 24.2% |
| Dec 18, 2024 | $925.46 | Up 6.8% |
| Dec 12, 2024 | $866.91 | Up 0.3% |
| Dec 11, 2024 | $864.30 | Up 1.2% |
| Dec 9, 2024 | $854.16 | Up 3.4% |
| Dec 8, 2024 | $825.85 | Down 0.1% |
| Dec 7, 2024 | $826.63 | Up 16.4% |
| Dec 5, 2024 | $710.05 | Down 14.8% |
| Nov 19, 2024 | $833.17 | Down 9.6% |
| Nov 16, 2024 | $921.38 | Up 22.2% |
| Nov 14, 2024 | $754.13 | Up 6.5% |
| Nov 10, 2024 | $707.95 | Down 17.8% |
| Nov 4, 2024 | $861.18 | Down 0.7% |
| Oct 28, 2024 | $866.96 | Up 1.6% |
| Oct 27, 2024 | $853.39 | Down 1.7% |
About this product
The Glock 21 Gen4 .45 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 gunmetal Grey Cerakote finish in the standard 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
- Gunmetal Grey Cerakote
- Configuration
- Standard
- Condition
- New
$681.98
at Great Lakes Tactical
