$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, 4.61 in., 13rd, Black (Police Trade-In)
- .45
- 13rd
- 4.61 in.
- Striker-fired
- Only 4 left
$326.98
About usual: it usually sells for $335.71, its median price over the last 90 days.
$306.99 + $19.99 shipping to your FFL dealer, before tax and the transfer fee. 53% under MSRP.
Ridgeline Arms
Lowest of 4 stores4.8 (18.2K), only 4 left,
Compare 4 stores
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Landed price | Versus best | Stock | Store link |
|---|---|---|---|---|
Ridgeline Arms4.8 4.8(18.2K)store rating | $326.98 | Best price | Only 4 left | Buy at Ridgeline Arms (opens in a new tab) |
 Granite Peak Supply4.6 4.6(6.4K)store rating | $327.98 | +$1.00 | In stock | Buy at Granite Peak Supply (opens in a new tab) |
 Black Canyon Arms4.3 4.3(3.5K)store rating | $333.49 | +$6.51 | Not reported | Buy at Black Canyon Arms (opens in a new tab) |
 Red River Outdoors4.4 4.4(28.9K)store rating | $357.98 | +$31.00 | In stock | Buy at Red River Outdoors (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
- $335.71
- 90-day median
- 90-day low
- $282.33
- 90-day high
- $358.46
- 2-year low
- $255.95
- Nov 27, 2024
- Unchanged for
- 8 days
- Since Oct 12, 2026
Every price change (119 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 12, 2026 | $326.98 | Down 4.0% |
| Oct 11, 2026 | $340.73 | Up 20.7% |
| Oct 5, 2026 | $282.33 | Down 21.2% |
| Oct 4, 2026 | $358.46 | Up 6.8% |
| Sep 12, 2026 | $335.71 | Up 7.4% |
| Sep 11, 2026 | $312.65 | Down 7.8% |
| Sep 6, 2026 | $339.05 | Up 2.5% |
| Sep 3, 2026 | $330.86 | Down 4.1% |
| Sep 2, 2026 | $345.02 | Up 1.4% |
| Aug 25, 2026 | $340.42 | Down 0.3% |
| Aug 21, 2026 | $341.42 | Down 1.3% |
| Aug 12, 2026 | $345.87 | Up 17.8% |
| Aug 4, 2026 | $293.69 | Down 13.0% |
| Aug 1, 2026 | $337.53 | Up 0.6% |
| Jul 30, 2026 | $335.61 | Up 8.0% |
| Jul 11, 2026 | $310.72 | Down 7.5% |
| Jun 30, 2026 | $335.88 | Up 8.1% |
| Jun 23, 2026 | $310.72 | Down 16.3% |
| Jun 21, 2026 | $371.08 | Up 8.1% |
| Jun 6, 2026 | $343.24 | Up 2.9% |
| May 29, 2026 | $333.58 | Down 0.1% |
| May 22, 2026 | $333.78 | Down 2.3% |
| May 11, 2026 | $341.50 | Down 0.5% |
| May 7, 2026 | $343.14 | Up 2.3% |
| Apr 30, 2026 | $335.45 | Down 3.9% |
| Apr 15, 2026 | $349.18 | Up 1.9% |
| Apr 10, 2026 | $342.53 | Up 4.1% |
| Mar 31, 2026 | $328.93 | Down 14.4% |
| Mar 29, 2026 | $384.43 | Up 14.5% |
| Mar 26, 2026 | $335.84 | Down 1.7% |
| Mar 25, 2026 | $341.72 | Up 0.3% |
| Mar 22, 2026 | $340.57 | Up 17.4% |
| Mar 21, 2026 | $290.19 | Down 13.9% |
| Mar 19, 2026 | $336.99 | Up 2.1% |
| Mar 11, 2026 | $329.94 | Down 1.1% |
| Feb 18, 2026 | $333.49 | Down 0.2% |
| Feb 17, 2026 | $334.18 | Up 3.7% |
| Feb 11, 2026 | $322.16 | Down 0.6% |
| Feb 7, 2026 | $324.23 | Down 3.2% |
| Feb 2, 2026 | $335.09 | Up 5.7% |
| Feb 1, 2026 | $316.91 | Down 3.2% |
| Jan 29, 2026 | $327.40 | Down 2.1% |
| Jan 28, 2026 | $334.58 | Up 1.4% |
| Jan 20, 2026 | $330.10 | Up 3.2% |
| Jan 11, 2026 | $319.98 | Down 3.7% |
| Jan 9, 2026 | $332.38 | Up 4.9% |
| Jan 8, 2026 | $316.71 | Down 3.6% |
| Jan 4, 2026 | $328.54 | Down 0.3% |
| Dec 31, 2025 | $329.39 | Up 1.0% |
| Dec 19, 2025 | $326.18 | Down 5.9% |
| Dec 18, 2025 | $346.69 | Up 1.5% |
| Nov 29, 2025 | $341.51 | Up 4.3% |
| Nov 25, 2025 | $327.57 | Up 5.7% |
| Nov 12, 2025 | $309.95 | Down 5.6% |
| Nov 11, 2025 | $328.36 | Down 9.3% |
| Nov 4, 2025 | $362.03 | Up 7.3% |
| Oct 22, 2025 | $337.43 | Up 3.8% |
| Oct 9, 2025 | $325.04 | Down 1.9% |
| Oct 8, 2025 | $331.17 | Up 3.6% |
| Oct 7, 2025 | $319.79 | Down 5.3% |
| Sep 28, 2025 | $337.55 | Up 13.0% |
| Sep 18, 2025 | $298.72 | Down 6.8% |
| Sep 13, 2025 | $320.65 | Down 3.9% |
| Sep 12, 2025 | $333.73 | Up 3.0% |
| Sep 9, 2025 | $323.94 | Down 2.2% |
| Sep 4, 2025 | $331.38 | Down 1.6% |
| Sep 1, 2025 | $336.60 | Up 1.4% |
| Aug 16, 2025 | $331.96 | Up 3.7% |
| Jul 19, 2025 | $320.25 | Down 6.5% |
| Jul 15, 2025 | $342.69 | Up 7.6% |
| Jul 7, 2025 | $318.54 | Down 3.1% |
| Jul 5, 2025 | $328.87 | Up 12.8% |
| Jun 29, 2025 | $291.49 | Down 19.5% |
| Jun 26, 2025 | $362.30 | Up 9.4% |
| Jun 7, 2025 | $331.21 | Down 0.1% |
| Jun 6, 2025 | $331.68 | Up 4.4% |
| Jun 3, 2025 | $317.72 | Down 0.5% |
| May 31, 2025 | $319.20 | Down 6.8% |
| May 26, 2025 | $342.34 | Up 4.9% |
| May 22, 2025 | $326.45 | Up 5.6% |
| May 19, 2025 | $309.17 | Down 6.1% |
| May 18, 2025 | $329.10 | Up 5.9% |
| May 15, 2025 | $310.90 | Down 1.0% |
| May 14, 2025 | $313.99 | Down 4.6% |
| May 11, 2025 | $329.04 | Up 2.2% |
| May 7, 2025 | $321.98 | Down 2.9% |
| Apr 9, 2025 | $331.44 | Up 9.6% |
| Apr 5, 2025 | $302.46 | Down 3.0% |
| Apr 3, 2025 | $311.79 | Down 2.7% |
| Apr 2, 2025 | $320.28 | Up 1.0% |
| Mar 21, 2025 | $317.19 | Down 14.5% |
| Mar 20, 2025 | $370.78 | Up 14.3% |
| Mar 19, 2025 | $324.39 | Up 3.0% |
| Mar 18, 2025 | $314.86 | Down 2.5% |
| Mar 2, 2025 | $323.07 | Down 0.9% |
| Feb 23, 2025 | $326.16 | Down 1.3% |
| Feb 21, 2025 | $330.35 | Up 3.8% |
| Feb 13, 2025 | $318.25 | Down 1.2% |
| Feb 10, 2025 | $322.03 | Up 2.3% |
| Jan 21, 2025 | $314.89 | Up 1.3% |
| Jan 17, 2025 | $310.95 | Down 3.8% |
| Dec 23, 2024 | $323.28 | Up 2.6% |
| Dec 22, 2024 | $315.02 | Up 3.0% |
| Dec 12, 2024 | $305.79 | Down 3.3% |
| Dec 5, 2024 | $316.34 | Up 3.1% |
| Dec 2, 2024 | $306.86 | Down 3.8% |
| Dec 1, 2024 | $319.09 | Up 9.2% |
| Nov 28, 2024 | $292.26 | Up 14.2% |
| Nov 22, 2024 | $255.95 | Down 19.6% |
| Nov 21, 2024 | $318.47 | Up 2.0% |
| Nov 17, 2024 | $312.32 | Down 1.7% |
| Nov 15, 2024 | $317.67 | Down 3.4% |
| Nov 13, 2024 | $328.88 | Up 7.3% |
| Nov 3, 2024 | $306.54 | Down 1.2% |
| Nov 2, 2024 | $310.11 | Down 1.3% |
| Nov 1, 2024 | $314.24 | Up 5.2% |
| Oct 30, 2024 | $298.70 | Up 2.9% |
| Oct 24, 2024 | $290.15 | Down 8.3% |
| Oct 23, 2024 | $316.49 | Down 0.6% |
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 black finish in the standard configuration, police trade-in. 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
- Black
- Configuration
- Standard
- Condition
- Police trade-in
$326.98
at Ridgeline Arms
