Skip to content
Glock

Glock 21 Gen4 .45 Optic Ready, 4.61 in., 13rd, Gunmetal Grey Cerakote

  • .45
  • 13rd
  • 4.61 in.
  • Striker-fired
$688.45

About usual: it usually sells for $697.57, its median price over the last 90 days.

$670.95 + $17.50 shipping to your FFL dealer, before tax and the transfer fee. 15% under MSRP.

Northfork Firearms

Lowest of 2 stores

4.7 (7.3K), in stock,

Buy at Northfork Firearms(opens the store in a new tab)

Compare 4 stores

2 in stock.

Ranked by landed price: the item plus shipping to you, before tax.

Stores selling Glock 21 Gen4 .45 Optic Ready, 4.61 in., 13rd, Gunmetal Grey Cerakote, ranked by landed price
StoreLanded priceVersus bestStockStore link
Northfork Firearms4.7
$688.45Best priceIn stockBuy at Northfork Firearms (opens in a new tab)
Granite Peak Supply4.6
$693.94+$5.49In stockBuy at Granite Peak Supply (opens in a new tab)
Gulf Coast Guns4.6
$638.94Not availableOut of stockView at Gulf Coast Guns (opens in a new tab)
Bayou Arms Co.4.1
$713.95Not availableOut of stockView at Bayou Arms Co. (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
$697.57
90-day median
90-day low
$557.58
90-day high
$794.76
2-year low
$557.58
Sep 4, 2026
Unchanged for
18 days
Since Oct 2, 2026
Every price change (107 in 2 years)
Every change of the lowest landed price, newest first
DateLowest priceChange
Oct 2, 2026$688.45Up 6.5%
Sep 29, 2026$646.16Down 18.7%
Sep 12, 2026$794.76Up 12.1%
Sep 9, 2026$708.99Down 4.2%
Sep 5, 2026$740.36Up 32.8%
Sep 3, 2026$557.58Down 22.4%
Sep 1, 2026$718.68Up 5.2%
Aug 24, 2026$683.01Up 2.6%
Aug 17, 2026$665.52Down 4.4%
Aug 10, 2026$695.98Down 0.5%
Jul 13, 2026$699.16Up 0.6%
Jul 9, 2026$695.18Up 0.3%
Jul 5, 2026$693.32Down 4.6%
Jul 4, 2026$726.62Up 2.2%
Jun 21, 2026$710.84Up 4.4%
Jun 17, 2026$680.58Down 0.1%
Jun 12, 2026$681.07Up 1.3%
Jun 8, 2026$672.37Down 2.3%
May 31, 2026$688.35Up 0.1%
May 26, 2026$687.92Up 0.9%
May 22, 2026$681.52Down 3.1%
May 19, 2026$703.43Down 11.9%
May 18, 2026$798.68Up 14.6%
May 15, 2026$696.65Down 0.9%
May 11, 2026$702.88Up 1.5%
May 6, 2026$692.35Up 0.5%
Apr 18, 2026$688.85Up 2.8%
Apr 9, 2026$669.89Down 2.4%
Apr 3, 2026$686.69Down 1.6%
Mar 27, 2026$698.11Up 1.9%
Mar 10, 2026$684.89Down 11.4%
Mar 2, 2026$772.73Up 12.5%
Feb 22, 2026$686.94Down 1.5%
Feb 21, 2026$697.54Up 2.8%
Feb 11, 2026$678.29Up 9.7%
Jan 31, 2026$618.09Down 10.8%
Jan 30, 2026$692.92Up 0.2%
Jan 29, 2026$691.21Down 8.1%
Jan 20, 2026$752.18Up 9.0%
Jan 10, 2026$690.05Down 8.1%
Jan 2, 2026$750.74Up 5.6%
Dec 16, 2025$710.85Up 12.9%
Dec 4, 2025$629.81Down 20.7%
Nov 6, 2025$794.14Up 35.7%
Oct 28, 2025$585.05Down 20.0%
Oct 27, 2025$731.58Up 6.7%
Oct 26, 2025$685.33Down 8.5%
Oct 25, 2025$748.63Up 16.2%
Oct 20, 2025$644.43Down 0.2%
Oct 9, 2025$645.79Down 8.2%
Sep 23, 2025$703.27Down 2.1%
Sep 19, 2025$718.35Down 0.3%
Sep 13, 2025$720.81Up 24.5%
Sep 11, 2025$579.02Down 10.4%
Sep 7, 2025$646.04Down 8.9%
Aug 31, 2025$709.31Up 1.6%
Aug 14, 2025$698.42Down 10.1%
Aug 10, 2025$776.81Up 8.3%
Jul 29, 2025$717.54Up 5.9%
Jul 25, 2025$677.68Down 4.5%
Jul 24, 2025$709.90Down 0.9%
Jul 22, 2025$716.04Down 4.3%
Jul 17, 2025$748.16Up 3.7%
Jul 14, 2025$721.33Up 2.7%
Jul 5, 2025$702.34Down 2.0%
Jul 3, 2025$716.73Up 2.6%
Jul 2, 2025$698.88Up 0.8%
Jun 25, 2025$693.49Up 10.3%
Jun 24, 2025$628.86Down 9.4%
Jun 11, 2025$694.09Down 12.3%
Jun 8, 2025$791.08Up 29.1%
Jun 2, 2025$613.00Down 19.2%
May 31, 2025$758.84Up 16.8%
May 29, 2025$649.65Down 17.7%
May 25, 2025$789.07Up 14.9%
May 21, 2025$686.50Down 2.8%
May 19, 2025$706.60Down 3.1%
May 16, 2025$729.19Down 1.5%
May 15, 2025$740.19Up 6.2%
May 13, 2025$696.71Down 1.1%
May 10, 2025$704.80Up 1.2%
May 1, 2025$696.14Up 2.0%
Apr 15, 2025$682.72Up 18.7%
Apr 10, 2025$575.18Down 18.2%
Apr 8, 2025$702.99Up 5.7%
Mar 26, 2025$665.19Down 6.8%
Mar 24, 2025$713.42Up 2.5%
Mar 13, 2025$696.03Down 7.3%
Mar 12, 2025$751.15Down 2.0%
Mar 10, 2025$766.59Up 5.5%
Mar 3, 2025$726.75Up 8.3%
Feb 25, 2025$671.18Down 8.9%
Feb 18, 2025$737.05Up 1.6%
Feb 16, 2025$725.68Up 4.5%
Feb 12, 2025$694.36Down 4.9%
Feb 8, 2025$729.85Up 11.6%
Feb 5, 2025$653.77Up 4.0%
Jan 31, 2025$628.46Up 9.1%
Jan 22, 2025$576.27Down 15.4%
Jan 7, 2025$681.07Down 3.3%
Jan 3, 2025$704.09Up 17.2%
Dec 16, 2024$600.89Down 18.0%
Dec 9, 2024$732.96Up 2.1%
Nov 27, 2024$717.78Down 1.3%
Nov 13, 2024$727.38Down 2.1%
Nov 9, 2024$742.87Up 25.1%
Nov 6, 2024$593.91Down 27.1%

About this product

The Glock 21 Gen4 .45 Optic Ready 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 optic ready 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
Optic ready
Condition
New