$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, Sniper Grey Cerakote
Glock 21 Gen4 .45 Threaded Barrel, 4.61 in., 13rd, Sniper Grey Cerakote
- .45
- 13rd
- 4.61 in.
- Striker-fired
$851.99
8% above usual
Higher than usual: it usually sells for $788.98, its median price over the last 90 days.
$831.99 + $20.00 shipping to your FFL dealer, before tax and the transfer fee.
Bayou Arms Co.
Lowest of 5 stores4.1 (1.7K), 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 |
|---|---|---|---|---|
Bayou Arms Co.4.1 4.1(1.7K)store rating | $851.99 | Best price | Not reported | Buy at Bayou Arms Co. (opens in a new tab) |
 High Desert Guns4.2 4.2(1.9K)store rating | $852.99 | +$1.00 | Not reported | Buy at High Desert Guns (opens in a new tab) |
 Granite Peak Supply4.6 4.6(6.4K)store rating | $884.98 | +$32.99 | In stock | Buy at Granite Peak Supply (opens in a new tab) |
 Prairie Fire Supply4.1 4.1(1.2K)store rating | $892.98 | +$40.99 | Not reported | Buy at Prairie Fire Supply (opens in a new tab) |
 Red River Outdoors4.4 4.4(28.9K)store rating | $920.98 | +$68.99 | 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
- $788.98
- 90-day median
- 90-day low
- $638.67
- 90-day high
- $851.99
- 2-year low
- $638.67
- Aug 27, 2026
- Unchanged for
- 6 days
- Since Oct 14, 2026
Every price change (117 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 14, 2026 | $851.99 | Up 15.5% |
| Oct 9, 2026 | $737.77 | Down 4.9% |
| Oct 8, 2026 | $775.46 | Down 1.7% |
| Oct 2, 2026 | $788.98 | Up 0.9% |
| Sep 30, 2026 | $781.89 | Down 0.6% |
| Sep 20, 2026 | $786.34 | Down 0.6% |
| Sep 8, 2026 | $791.45 | Up 3.8% |
| Sep 7, 2026 | $762.36 | Down 1.2% |
| Sep 5, 2026 | $771.36 | Down 1.7% |
| Aug 28, 2026 | $784.41 | Up 22.8% |
| Aug 14, 2026 | $638.67 | Down 23.9% |
| Jul 30, 2026 | $838.84 | Up 3.5% |
| Jul 19, 2026 | $810.28 | Up 24.4% |
| Jul 11, 2026 | $651.38 | Down 17.3% |
| Jul 8, 2026 | $787.33 | Up 1.4% |
| Jul 4, 2026 | $776.33 | Down 1.7% |
| Jun 28, 2026 | $789.67 | Up 2.0% |
| Jun 23, 2026 | $774.07 | Down 2.0% |
| Jun 13, 2026 | $790.10 | Up 3.0% |
| Jun 11, 2026 | $766.74 | Down 6.0% |
| Jun 3, 2026 | $816.05 | Down 3.0% |
| May 15, 2026 | $841.70 | Up 21.8% |
| May 12, 2026 | $691.06 | Down 12.7% |
| May 9, 2026 | $791.99 | Up 10.9% |
| May 4, 2026 | $714.32 | Up 9.2% |
| Apr 17, 2026 | $654.22 | Down 11.1% |
| Apr 7, 2026 | $736.16 | Down 15.8% |
| Apr 5, 2026 | $873.89 | Up 3.4% |
| Apr 4, 2026 | $845.52 | Up 13.6% |
| Mar 25, 2026 | $744.42 | Down 9.9% |
| Mar 19, 2026 | $826.49 | Down 9.0% |
| Mar 18, 2026 | $908.31 | Up 16.3% |
| Mar 10, 2026 | $780.98 | Up 1.2% |
| Mar 8, 2026 | $771.96 | Down 8.4% |
| Mar 6, 2026 | $843.17 | Up 7.6% |
| Feb 27, 2026 | $783.58 | Down 2.7% |
| Feb 17, 2026 | $804.92 | Up 7.8% |
| Feb 16, 2026 | $746.57 | Down 4.9% |
| Feb 10, 2026 | $785.32 | Up 3.9% |
| Jan 31, 2026 | $755.97 | Down 3.1% |
| Jan 29, 2026 | $779.99 | Down 0.6% |
| Jan 12, 2026 | $784.46 | Down 4.4% |
| Jan 11, 2026 | $820.40 | Up 1.5% |
| Jan 8, 2026 | $808.30 | Up 1.0% |
| Jan 4, 2026 | $800.03 | Up 0.3% |
| Dec 27, 2025 | $797.48 | Down 1.4% |
| Dec 26, 2025 | $809.19 | Down 3.1% |
| Dec 23, 2025 | $835.41 | Up 4.1% |
| Dec 20, 2025 | $802.62 | Up 24.2% |
| Dec 17, 2025 | $646.08 | Down 18.8% |
| Dec 13, 2025 | $795.88 | Down 2.2% |
| Dec 11, 2025 | $813.56 | Up 0.7% |
| Dec 5, 2025 | $808.21 | Up 1.9% |
| Dec 4, 2025 | $793.22 | Up 0.0% |
| Nov 21, 2025 | $793.10 | Up 13.1% |
| Nov 20, 2025 | $701.39 | Up 7.9% |
| Nov 15, 2025 | $650.19 | Down 18.7% |
| Oct 27, 2025 | $799.62 | Down 2.7% |
| Oct 25, 2025 | $822.02 | Up 10.8% |
| Oct 20, 2025 | $741.87 | Up 10.3% |
| Oct 14, 2025 | $672.82 | Down 20.7% |
| Oct 12, 2025 | $848.12 | Up 5.1% |
| Oct 6, 2025 | $807.16 | Up 24.4% |
| Oct 3, 2025 | $648.67 | Down 8.4% |
| Sep 30, 2025 | $708.41 | Down 20.7% |
| Sep 26, 2025 | $893.43 | Up 14.4% |
| Sep 22, 2025 | $781.02 | Down 1.8% |
| Sep 19, 2025 | $795.19 | Down 3.1% |
| Sep 16, 2025 | $820.48 | Down 6.5% |
| Sep 14, 2025 | $877.68 | Up 34.1% |
| Sep 12, 2025 | $654.46 | Down 21.0% |
| Sep 8, 2025 | $828.35 | Down 5.8% |
| Sep 2, 2025 | $879.07 | Up 8.6% |
| Aug 28, 2025 | $809.74 | Down 1.2% |
| Aug 27, 2025 | $819.94 | Down 12.5% |
| Aug 23, 2025 | $936.84 | Up 16.5% |
| Aug 12, 2025 | $804.15 | Down 0.8% |
| Aug 6, 2025 | $810.70 | Up 13.5% |
| Aug 3, 2025 | $714.56 | Down 11.8% |
| Jul 31, 2025 | $810.21 | Up 9.3% |
| Jul 10, 2025 | $741.31 | Down 12.3% |
| Jul 5, 2025 | $844.96 | Up 2.1% |
| Jun 28, 2025 | $827.98 | Up 24.7% |
| Jun 18, 2025 | $663.72 | Down 19.2% |
| Jun 17, 2025 | $821.74 | Down 0.7% |
| Jun 10, 2025 | $827.56 | Down 3.6% |
| Jun 5, 2025 | $858.75 | Down 2.4% |
| May 18, 2025 | $879.73 | Up 7.4% |
| May 17, 2025 | $819.44 | Up 1.9% |
| May 5, 2025 | $803.87 | Up 1.8% |
| Apr 25, 2025 | $789.37 | Down 3.5% |
| Apr 18, 2025 | $817.92 | Down 4.0% |
| Mar 26, 2025 | $852.00 | Up 2.6% |
| Mar 20, 2025 | $830.31 | Down 11.4% |
| Mar 18, 2025 | $937.22 | Up 17.9% |
| Mar 17, 2025 | $795.07 | Down 16.0% |
| Mar 8, 2025 | $947.02 | Up 13.3% |
| Mar 6, 2025 | $836.14 | Down 0.1% |
| Feb 27, 2025 | $836.62 | Up 24.0% |
| Feb 23, 2025 | $674.43 | Down 14.7% |
| Feb 22, 2025 | $791.02 | Down 2.6% |
| Feb 7, 2025 | $811.75 | Up 0.3% |
| Feb 1, 2025 | $809.29 | Up 1.7% |
| Jan 11, 2025 | $795.45 | Down 3.9% |
| Jan 4, 2025 | $827.73 | Up 25.0% |
| Dec 31, 2024 | $662.11 | Down 20.0% |
| Dec 29, 2024 | $827.46 | Down 3.3% |
| Dec 28, 2024 | $855.43 | Up 1.4% |
| Dec 12, 2024 | $843.59 | Down 0.8% |
| Dec 7, 2024 | $849.97 | Up 2.0% |
| Nov 28, 2024 | $833.46 | Up 0.3% |
| Nov 26, 2024 | $831.31 | Up 4.8% |
| Nov 19, 2024 | $792.95 | Down 5.1% |
| Nov 16, 2024 | $835.64 | Up 6.1% |
| Nov 15, 2024 | $787.44 | Up 16.5% |
| Nov 5, 2024 | $675.74 | Down 18.4% |
| Nov 1, 2024 | $828.62 | Down 0.4% |
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 sniper Grey Cerakote 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
- Sniper Grey Cerakote
- Configuration
- Threaded barrel
- Condition
- New
$851.99
at Bayou Arms Co.
