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Glock 21 Gen4 .45 Optic Ready, 4.61 in., 13rd, Black
Glock

Glock 21 Gen4 .45 Optic Ready, 4.61 in., 13rd, Black

  • .45
  • 13rd
  • 4.61 in.
  • Striker-fired
  • 3% below usual
$628.94Usually $649.50

Save $20.56

Lower than usual: it usually sells for $649.50, its median price over the last 90 days.

$608.95 + $19.99 shipping to your FFL dealer, before tax and the transfer fee. 15% under MSRP.

Westbound Armory

Lowest of 5 stores

4.7 (4.6K), in stock,

Buy at Westbound Armory(opens the store in a new tab)

Compare 5 stores

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

Stores selling Glock 21 Gen4 .45 Optic Ready, 4.61 in., 13rd, Black, ranked by landed price
StoreLanded priceVersus bestStockStore link
Westbound Armory4.7
$628.94Best priceIn stockBuy at Westbound Armory (opens in a new tab)
Bayou Arms Co.4.1
$662.99+$34.05Not reportedBuy at Bayou Arms Co. (opens in a new tab)
Black Canyon Arms4.3
$681.99+$53.05Not reportedBuy at Black Canyon Arms (opens in a new tab)
Red River Outdoors4.4
$688.98+$60.04In stockBuy at Red River Outdoors (opens in a new tab)
Palisade Sporting Goods4.2
$700.98+$72.04In stockBuy 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
$649.50
90-day median
90-day low
$573.70
90-day high
$701.50
2-year low
$546.44
May 17, 2026
Unchanged for
11 days
Since Oct 9, 2026
Every price change (134 in 2 years)
Every change of the lowest landed price, newest first
DateLowest priceChange
Oct 9, 2026$628.94Down 7.8%
Oct 2, 2026$682.23Up 1.5%
Sep 29, 2026$672.34Up 4.7%
Sep 22, 2026$642.25Down 8.4%
Sep 15, 2026$701.50Up 7.8%
Sep 10, 2026$650.78Down 0.5%
Sep 9, 2026$653.75Down 2.3%
Sep 6, 2026$668.98Up 4.0%
Aug 28, 2026$643.48Up 12.2%
Aug 23, 2026$573.70Down 9.9%
Aug 15, 2026$636.48Down 4.9%
Aug 7, 2026$669.57Up 0.9%
Aug 4, 2026$663.84Up 2.2%
Jul 18, 2026$649.50Down 3.0%
Jul 10, 2026$669.80Up 2.7%
Jun 30, 2026$652.34Up 9.0%
Jun 23, 2026$598.31Down 4.5%
Jun 17, 2026$626.25Down 5.7%
Jun 3, 2026$664.34Down 1.1%
Jun 2, 2026$671.41Up 6.5%
May 25, 2026$630.30Up 5.0%
May 21, 2026$600.46Down 20.8%
May 20, 2026$757.72Up 18.1%
May 18, 2026$641.82Up 17.5%
May 6, 2026$546.44Down 20.2%
May 5, 2026$684.71Down 6.7%
May 4, 2026$734.10Up 8.1%
Apr 29, 2026$679.28Down 0.5%
Apr 28, 2026$682.64Up 5.5%
Apr 26, 2026$646.83Down 3.3%
Apr 15, 2026$668.57Down 5.8%
Apr 14, 2026$709.60Up 10.4%
Apr 13, 2026$643.02Down 2.4%
Apr 9, 2026$658.77Up 1.2%
Apr 4, 2026$651.18Down 10.0%
Apr 3, 2026$723.38Up 8.5%
Mar 30, 2026$666.71Up 4.6%
Mar 27, 2026$637.44Down 4.0%
Mar 22, 2026$664.00Up 1.2%
Mar 20, 2026$656.38Down 2.1%
Mar 19, 2026$670.24Up 14.6%
Mar 18, 2026$584.65Down 11.8%
Mar 6, 2026$662.60Down 3.9%
Feb 24, 2026$689.83Down 10.4%
Feb 19, 2026$769.71Up 8.2%
Feb 13, 2026$711.13Up 4.6%
Feb 4, 2026$679.90Up 1.8%
Feb 1, 2026$667.58Down 0.1%
Jan 31, 2026$668.55Down 6.5%
Jan 25, 2026$714.73Up 8.8%
Jan 24, 2026$656.97Down 3.3%
Jan 19, 2026$679.47Down 13.2%
Jan 18, 2026$783.09Up 14.4%
Jan 3, 2026$684.55Up 1.7%
Jan 1, 2026$672.87Down 0.7%
Dec 20, 2025$677.51Down 3.8%
Dec 13, 2025$704.15Up 0.6%
Dec 1, 2025$699.67Down 10.3%
Nov 28, 2025$780.23Up 14.2%
Nov 27, 2025$683.47Up 3.3%
Nov 25, 2025$661.69Up 11.6%
Nov 14, 2025$592.87Down 14.7%
Nov 9, 2025$695.40Up 25.7%
Nov 6, 2025$553.43Down 13.3%
Nov 2, 2025$638.46Down 0.9%
Oct 24, 2025$644.20Down 16.7%
Oct 17, 2025$773.23Up 10.7%
Oct 13, 2025$698.22Down 11.8%
Oct 10, 2025$791.36Up 14.6%
Oct 9, 2025$690.82Down 1.1%
Oct 8, 2025$698.45Down 1.5%
Oct 6, 2025$708.89Up 1.6%
Oct 3, 2025$697.71Down 10.6%
Sep 30, 2025$780.56Up 11.7%
Sep 27, 2025$698.55Up 2.6%
Sep 26, 2025$681.04Up 20.3%
Sep 18, 2025$566.21Down 3.4%
Sep 13, 2025$586.25Down 17.2%
Sep 12, 2025$707.62Down 2.8%
Sep 9, 2025$727.66Up 4.6%
Sep 6, 2025$695.52Down 1.8%
Aug 29, 2025$708.02Up 1.9%
Aug 14, 2025$695.00Down 0.2%
Jul 26, 2025$696.35Down 1.0%
Jul 16, 2025$703.21Up 2.3%
Jul 9, 2025$687.23Up 11.9%
Jul 7, 2025$614.23Down 9.4%
Jun 28, 2025$677.79Down 2.3%
Jun 27, 2025$693.84Up 9.3%
Jun 23, 2025$634.56Down 13.6%
Jun 18, 2025$734.61Up 4.2%
Jun 11, 2025$704.72Up 9.9%
Jun 9, 2025$641.01Up 9.7%
Jun 8, 2025$584.41Down 21.7%
Jun 1, 2025$746.43Up 18.8%
May 31, 2025$628.15Down 8.3%
May 24, 2025$685.03Down 2.5%
May 22, 2025$702.95Down 1.5%
May 16, 2025$713.76Up 1.4%
May 15, 2025$703.92Down 11.3%
May 12, 2025$793.48Up 8.0%
May 11, 2025$734.41Up 4.1%
May 9, 2025$705.73Down 12.4%
May 8, 2025$805.56Up 12.5%
May 1, 2025$715.95Down 11.8%
Apr 27, 2025$811.44Up 20.8%
Apr 24, 2025$671.50Down 0.2%
Apr 19, 2025$672.98Down 7.2%
Apr 18, 2025$725.27Up 3.0%
Apr 10, 2025$704.08Up 4.3%
Apr 1, 2025$675.26Down 5.6%
Mar 30, 2025$715.54Up 4.4%
Mar 19, 2025$685.36Up 3.3%
Mar 11, 2025$663.26Down 5.4%
Mar 5, 2025$701.06Down 13.8%
Feb 24, 2025$813.67Up 4.6%
Feb 17, 2025$778.12Down 1.4%
Feb 10, 2025$789.48Up 12.3%
Feb 6, 2025$703.14Down 0.8%
Feb 4, 2025$709.15Down 1.6%
Feb 2, 2025$720.67Down 4.1%
Jan 13, 2025$751.80Down 2.1%
Jan 12, 2025$767.66Up 23.0%
Jan 11, 2025$624.09Down 17.6%
Dec 29, 2024$757.75Up 5.2%
Dec 27, 2024$720.06Up 1.1%
Dec 25, 2024$712.25Down 2.6%
Dec 14, 2024$731.17Up 0.4%
Dec 8, 2024$727.90Down 1.1%
Nov 29, 2024$735.97Up 4.7%
Nov 25, 2024$702.64Down 8.3%
Nov 23, 2024$766.59Up 3.1%
Oct 26, 2024$743.58Down 0.4%
Oct 24, 2024$746.28Up 1.4%

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 black 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
Black
Configuration
Optic ready
Condition
New
$628.943% below usual
at Westbound Armory
Buy now at Westbound Armory(opens the store in a new tab)