$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, OD Green
- .45
- 13rd
- 4.61 in.
- Striker-fired
- 10% below usual
- Price dropped
$582.94Usually $649.33
Save $66.39
Lower than usual: it usually sells for $649.33, its median price over the last 90 days.
$562.99 + $19.95 shipping to your FFL dealer, before tax and the transfer fee. 25% under MSRP.
Keystone Shooting Supply
Lowest of 3 stores4.8 (24.5K), in stock,
Compare 5 stores
3 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 | $582.94 | Best price | In stock | Buy at Keystone Shooting Supply (opens in a new tab) |
 Ridgeline Arms4.8 4.8(18.2K)store rating | $645.48 | +$62.54 | In stock | Buy at Ridgeline Arms (opens in a new tab) |
 Lone Pine Outfitters4.5 4.5(9.8K)store rating | $667.94 | +$85.00 | In stock | Buy at Lone Pine Outfitters (opens in a new tab) |
 Iron Mesa Armory4.9 4.9(12.7K)store rating | $534.99 | Not available | Out of stock | View at Iron Mesa Armory (opens in a new tab) |
 Palisade Sporting Goods4.2 4.2(52.8K)store rating | $679.98 | Not available | Out of stock | View at Palisade Sporting Goods (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
- $649.33
- 90-day median
- 90-day low
- $570.36
- 90-day high
- $792.97
- 2-year low
- $566.02
- Jul 8, 2026
- Unchanged for
- 2 days
- Since Oct 18, 2026
Every price change (123 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 18, 2026 | $582.94 | Up 1.7% |
| Oct 15, 2026 | $573.11 | Down 16.2% |
| Oct 13, 2026 | $683.96 | Up 19.9% |
| Oct 7, 2026 | $570.36 | Down 6.6% |
| Oct 1, 2026 | $610.93 | Down 20.7% |
| Sep 28, 2026 | $769.99 | Up 14.1% |
| Sep 26, 2026 | $674.97 | Down 7.4% |
| Sep 24, 2026 | $729.14 | Down 8.0% |
| Sep 19, 2026 | $792.97 | Up 38.2% |
| Sep 10, 2026 | $573.88 | Down 23.4% |
| Sep 9, 2026 | $748.89 | Up 7.5% |
| Sep 8, 2026 | $696.92 | Up 7.3% |
| Aug 30, 2026 | $649.33 | Down 17.0% |
| Aug 28, 2026 | $782.34 | Up 14.6% |
| Aug 17, 2026 | $682.71 | Up 3.6% |
| Aug 12, 2026 | $658.79 | Down 2.8% |
| Aug 10, 2026 | $677.98 | Up 5.4% |
| Jul 28, 2026 | $643.13 | Down 3.8% |
| Jul 25, 2026 | $668.33 | Up 0.2% |
| Jul 24, 2026 | $666.94 | Up 15.3% |
| Jul 14, 2026 | $578.41 | Down 22.7% |
| Jul 9, 2026 | $748.44 | Up 32.2% |
| Jul 7, 2026 | $566.02 | Down 14.3% |
| Jul 4, 2026 | $660.24 | Down 11.0% |
| Jun 29, 2026 | $742.19 | Down 5.2% |
| Jun 25, 2026 | $783.11 | Up 11.5% |
| Jun 18, 2026 | $702.16 | Down 3.0% |
| Jun 1, 2026 | $723.80 | Up 1.4% |
| May 18, 2026 | $714.12 | Down 5.1% |
| May 10, 2026 | $752.22 | Down 8.2% |
| May 9, 2026 | $819.02 | Up 16.0% |
| May 7, 2026 | $706.19 | Up 2.0% |
| Apr 30, 2026 | $692.59 | Down 14.7% |
| Apr 29, 2026 | $811.58 | Up 14.6% |
| Apr 27, 2026 | $707.95 | Down 1.3% |
| Apr 20, 2026 | $717.10 | Up 15.7% |
| Apr 19, 2026 | $619.70 | Down 14.0% |
| Apr 16, 2026 | $720.44 | Down 2.6% |
| Apr 14, 2026 | $739.55 | Up 5.4% |
| Apr 9, 2026 | $701.72 | Up 16.1% |
| Apr 5, 2026 | $604.30 | Down 12.9% |
| Mar 22, 2026 | $693.87 | Down 5.4% |
| Mar 20, 2026 | $733.44 | Up 20.2% |
| Mar 7, 2026 | $610.42 | Down 16.0% |
| Mar 5, 2026 | $726.41 | Down 1.8% |
| Mar 4, 2026 | $739.40 | Up 4.6% |
| Feb 28, 2026 | $706.57 | Down 3.4% |
| Feb 27, 2026 | $731.07 | Up 1.7% |
| Feb 26, 2026 | $719.00 | Down 3.5% |
| Feb 15, 2026 | $745.38 | Up 3.5% |
| Feb 5, 2026 | $720.21 | Up 22.7% |
| Feb 3, 2026 | $587.05 | Down 16.0% |
| Feb 2, 2026 | $699.22 | Down 3.2% |
| Jan 12, 2026 | $722.44 | Down 1.7% |
| Jan 6, 2026 | $735.19 | Down 3.2% |
| Jan 4, 2026 | $759.78 | Up 7.6% |
| Dec 28, 2025 | $705.94 | Down 0.2% |
| Dec 26, 2025 | $707.29 | Down 3.2% |
| Dec 19, 2025 | $730.88 | Down 1.2% |
| Dec 15, 2025 | $739.86 | Down 2.3% |
| Dec 9, 2025 | $757.37 | Down 4.2% |
| Dec 1, 2025 | $790.28 | Up 8.6% |
| Nov 27, 2025 | $727.61 | Up 0.5% |
| Nov 25, 2025 | $724.27 | Up 17.4% |
| Nov 15, 2025 | $616.84 | Down 17.7% |
| Nov 14, 2025 | $749.36 | Up 2.0% |
| Nov 7, 2025 | $734.60 | Up 2.6% |
| Nov 4, 2025 | $716.01 | Up 1.2% |
| Nov 2, 2025 | $707.18 | Down 6.0% |
| Oct 28, 2025 | $752.68 | Up 0.9% |
| Oct 24, 2025 | $746.00 | Up 7.7% |
| Oct 23, 2025 | $692.65 | Down 7.4% |
| Oct 16, 2025 | $748.09 | Down 1.3% |
| Oct 13, 2025 | $758.30 | Down 5.8% |
| Oct 11, 2025 | $804.78 | Down 2.4% |
| Oct 9, 2025 | $824.49 | Down 1.1% |
| Sep 26, 2025 | $834.04 | Up 11.9% |
| Sep 24, 2025 | $745.06 | Down 0.8% |
| Sep 17, 2025 | $751.27 | Up 12.5% |
| Sep 12, 2025 | $667.54 | Down 10.5% |
| Aug 29, 2025 | $745.84 | Down 3.1% |
| Aug 27, 2025 | $769.93 | Up 4.6% |
| Aug 15, 2025 | $736.36 | Down 2.0% |
| Aug 11, 2025 | $751.10 | Up 24.5% |
| Aug 10, 2025 | $603.28 | Down 27.1% |
| Aug 3, 2025 | $827.05 | Up 9.6% |
| Jul 28, 2025 | $754.82 | Up 2.1% |
| Jul 9, 2025 | $739.00 | Down 2.3% |
| Jul 6, 2025 | $756.64 | Down 11.6% |
| Jul 3, 2025 | $856.34 | Up 15.1% |
| Jul 1, 2025 | $744.01 | Down 0.2% |
| Jun 25, 2025 | $745.54 | Down 3.7% |
| Jun 20, 2025 | $774.10 | Down 5.2% |
| Jun 18, 2025 | $816.95 | Up 0.9% |
| Jun 13, 2025 | $809.45 | Up 10.2% |
| Jun 6, 2025 | $734.81 | Down 5.1% |
| Jun 4, 2025 | $774.17 | Up 1.2% |
| Jun 3, 2025 | $765.15 | Up 0.6% |
| May 16, 2025 | $760.26 | Down 1.0% |
| Apr 30, 2025 | $767.62 | Up 1.8% |
| Apr 25, 2025 | $754.08 | Up 4.3% |
| Apr 22, 2025 | $723.14 | Down 6.6% |
| Apr 5, 2025 | $774.65 | Up 1.0% |
| Apr 1, 2025 | $767.27 | Up 0.5% |
| Mar 27, 2025 | $763.70 | Up 0.2% |
| Mar 24, 2025 | $762.39 | Down 2.2% |
| Mar 21, 2025 | $779.78 | Up 1.1% |
| Mar 3, 2025 | $771.43 | Up 16.0% |
| Feb 11, 2025 | $664.80 | Down 15.4% |
| Feb 2, 2025 | $785.96 | Down 0.9% |
| Jan 31, 2025 | $793.32 | Down 0.3% |
| Jan 7, 2025 | $795.48 | Up 2.4% |
| Jan 6, 2025 | $776.83 | Up 4.4% |
| Jan 5, 2025 | $744.05 | Up 10.2% |
| Jan 2, 2025 | $674.95 | Up 5.0% |
| Dec 16, 2024 | $642.72 | Down 6.8% |
| Dec 5, 2024 | $689.57 | Down 12.1% |
| Dec 2, 2024 | $784.84 | Down 2.7% |
| Dec 1, 2024 | $806.58 | Up 3.8% |
| Nov 20, 2024 | $776.74 | Up 0.0% |
| Nov 16, 2024 | $776.53 | Down 0.0% |
| Oct 27, 2024 | $776.79 | Down 1.8% |
| Oct 24, 2024 | $791.38 | Down 13.1% |
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 oD Green 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
- OD Green
- Configuration
- Threaded barrel
- Condition
- New
$582.9410% below usual
at Keystone Shooting Supply
