$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 10rd State Compliant, 4.61 in., 10rd, Gunmetal Grey Cerakote
- .45
- 10rd
- 4.61 in.
- Striker-fired
$657.99
About usual: it usually sells for $657.99, its median price over the last 90 days.
$637.99 + $20.00 shipping to your FFL dealer, before tax and the transfer fee. 15% under MSRP.
Bayou Arms Co.
Lowest of 4 stores4.1 (1.7K), stock not reported,
Compare 4 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 | $657.99 | Best price | Not reported | Buy at Bayou Arms Co. (opens in a new tab) |
 Ridgeline Arms4.8 4.8(18.2K)store rating | $671.98 | +$13.99 | In stock | Buy at Ridgeline Arms (opens in a new tab) |
 Black Canyon Arms4.3 4.3(3.5K)store rating | $683.99 | +$26.00 | Not reported | Buy at Black Canyon Arms (opens in a new tab) |
 Northfork Firearms4.7 4.7(7.3K)store rating | $689.49 | +$31.50 | In stock | Buy 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
- $657.99
- 90-day median
- 90-day low
- $559.26
- 90-day high
- $707.64
- 2-year low
- $559.26
- Aug 15, 2026
- Unchanged for
- 40 days
- Since Sep 10, 2026
Every price change (101 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Sep 10, 2026 | $657.99 | Down 6.0% |
| Aug 31, 2026 | $700.36 | Up 3.5% |
| Aug 27, 2026 | $676.43 | Up 1.0% |
| Aug 22, 2026 | $669.97 | Down 4.7% |
| Aug 16, 2026 | $703.37 | Up 25.8% |
| Aug 7, 2026 | $559.26 | Down 18.0% |
| Jul 30, 2026 | $681.93 | Down 3.6% |
| Jul 26, 2026 | $707.64 | Up 3.6% |
| Jul 18, 2026 | $682.93 | Up 0.4% |
| Jul 14, 2026 | $680.20 | Down 1.2% |
| Jul 9, 2026 | $688.55 | Up 21.3% |
| Jul 3, 2026 | $567.85 | Down 26.1% |
| Jun 25, 2026 | $768.65 | Up 35.8% |
| Jun 24, 2026 | $566.14 | Down 9.7% |
| Jun 23, 2026 | $626.88 | Down 17.0% |
| Jun 1, 2026 | $755.42 | Up 11.6% |
| May 23, 2026 | $676.86 | Up 1.6% |
| May 13, 2026 | $666.09 | Down 4.8% |
| May 6, 2026 | $699.82 | Down 0.7% |
| Apr 29, 2026 | $705.00 | Down 9.8% |
| Apr 23, 2026 | $781.54 | Up 0.9% |
| Apr 22, 2026 | $774.28 | Up 10.6% |
| Apr 19, 2026 | $699.96 | Up 16.6% |
| Apr 18, 2026 | $600.45 | Down 17.8% |
| Apr 8, 2026 | $730.66 | Up 5.0% |
| Apr 3, 2026 | $696.02 | Up 0.4% |
| Mar 6, 2026 | $693.45 | Down 12.7% |
| Mar 2, 2026 | $794.56 | Up 31.7% |
| Feb 17, 2026 | $603.31 | Down 12.7% |
| Feb 16, 2026 | $691.30 | Down 1.1% |
| Feb 12, 2026 | $699.00 | Up 8.4% |
| Feb 6, 2026 | $644.62 | Down 5.6% |
| Feb 5, 2026 | $682.86 | Down 1.7% |
| Feb 1, 2026 | $694.99 | Down 1.7% |
| Jan 24, 2026 | $707.04 | Up 23.1% |
| Jan 17, 2026 | $574.21 | Down 19.0% |
| Dec 20, 2025 | $709.22 | Down 2.5% |
| Dec 10, 2025 | $727.18 | Up 18.7% |
| Nov 27, 2025 | $612.76 | Down 16.3% |
| Nov 24, 2025 | $731.98 | Up 1.8% |
| Nov 13, 2025 | $719.09 | Down 0.7% |
| Nov 9, 2025 | $723.81 | Up 1.2% |
| Nov 8, 2025 | $715.32 | Up 0.1% |
| Nov 7, 2025 | $714.75 | Down 1.5% |
| Nov 5, 2025 | $725.86 | Down 10.3% |
| Nov 2, 2025 | $808.90 | Up 12.8% |
| Oct 31, 2025 | $717.39 | Up 0.1% |
| Oct 20, 2025 | $716.76 | Up 1.0% |
| Oct 19, 2025 | $709.99 | Down 4.2% |
| Oct 16, 2025 | $741.50 | Up 0.6% |
| Oct 12, 2025 | $737.03 | Up 9.4% |
| Oct 5, 2025 | $673.77 | Up 12.9% |
| Sep 23, 2025 | $596.95 | Down 4.1% |
| Sep 19, 2025 | $622.23 | Down 3.6% |
| Sep 4, 2025 | $645.23 | Up 2.2% |
| Aug 26, 2025 | $631.34 | Down 15.2% |
| Aug 17, 2025 | $744.53 | Up 1.2% |
| Aug 4, 2025 | $735.41 | Down 10.3% |
| Jul 30, 2025 | $819.49 | Up 11.5% |
| Jul 22, 2025 | $734.70 | Down 4.7% |
| Jul 17, 2025 | $770.58 | Up 0.5% |
| Jul 13, 2025 | $766.81 | Up 1.2% |
| Jul 12, 2025 | $757.84 | Up 2.3% |
| Jul 6, 2025 | $740.94 | Down 10.3% |
| Jul 5, 2025 | $825.98 | Up 6.9% |
| Jul 1, 2025 | $772.61 | Up 17.9% |
| Jun 23, 2025 | $655.04 | Down 14.1% |
| Jun 18, 2025 | $762.69 | Up 0.4% |
| Jun 11, 2025 | $759.71 | Up 2.2% |
| Jun 8, 2025 | $743.03 | Down 7.9% |
| Jun 5, 2025 | $807.13 | Up 8.3% |
| Jun 3, 2025 | $745.54 | Down 3.5% |
| May 21, 2025 | $772.80 | Up 0.0% |
| May 20, 2025 | $772.42 | Down 8.3% |
| May 19, 2025 | $842.60 | Up 31.5% |
| May 18, 2025 | $640.73 | Down 10.5% |
| Apr 22, 2025 | $715.68 | Up 1.1% |
| Mar 28, 2025 | $707.98 | Down 16.5% |
| Mar 27, 2025 | $848.09 | Up 9.7% |
| Mar 9, 2025 | $773.02 | Down 3.6% |
| Feb 27, 2025 | $801.93 | Down 0.7% |
| Feb 25, 2025 | $807.22 | Up 3.9% |
| Feb 17, 2025 | $777.15 | Down 0.6% |
| Feb 10, 2025 | $781.50 | Up 1.4% |
| Feb 9, 2025 | $770.78 | Down 2.3% |
| Feb 7, 2025 | $788.67 | Down 6.2% |
| Jan 10, 2025 | $840.42 | Up 8.4% |
| Jan 5, 2025 | $775.38 | Down 0.5% |
| Dec 30, 2024 | $778.90 | Up 3.0% |
| Dec 23, 2024 | $755.89 | Up 17.6% |
| Dec 20, 2024 | $643.03 | Down 26.9% |
| Dec 4, 2024 | $879.79 | Up 10.4% |
| Nov 15, 2024 | $796.90 | Up 0.3% |
| Nov 13, 2024 | $794.21 | Up 14.5% |
| Nov 8, 2024 | $693.93 | Down 0.8% |
| Nov 3, 2024 | $699.48 | Down 9.7% |
| Oct 31, 2024 | $774.31 | Down 0.9% |
| Oct 28, 2024 | $781.37 | Up 9.3% |
| Oct 27, 2024 | $715.02 | Down 8.5% |
| Oct 24, 2024 | $781.36 | Down 0.7% |
| Oct 23, 2024 | $786.90 | Up 13.6% |
About this product
The Glock 21 Gen4 .45 10rd State Compliant is a handgun chambered in .45 ACP, with a striker-fired action, a 4.61-inch barrel and a 10-round capacity. This listing is the gunmetal Grey Cerakote finish in the 10-round state compliant 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
- 10 rounds
- Barrel length
- 4.61 in.
- Finish
- Gunmetal Grey Cerakote
- Configuration
- 10-round state compliant
- Condition
- New
$657.99
at Bayou Arms Co.
