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Glock

Glock 21 Gen4 .45 with Holosun 507K, 4.61 in., 13rd, OD Green

  • .45
  • 13rd
  • 4.61 in.
  • Striker-fired
  • 26% below usual
  • Lowest in 90 days
  • Price dropped
$619.94Usually $839.39

Save $219.45

Lower than usual: it usually sells for $839.39, its median price over the last 90 days.

$589.95 + $29.99 shipping to your FFL dealer, before tax and the transfer fee. 37% under MSRP.

Granite Peak Supply

Lowest of 5 stores

4.6 (6.4K), in stock,

Buy at Granite Peak Supply(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 with Holosun 507K, 4.61 in., 13rd, OD Green, ranked by landed price
StoreLanded priceVersus bestStockStore link
Granite Peak Supply4.6
$619.94Best priceIn stockBuy at Granite Peak Supply (opens in a new tab)
Prairie Fire Supply4.1
$624.98+$5.04Not reportedBuy at Prairie Fire Supply (opens in a new tab)
Black Canyon Arms4.3
$656.99+$37.05Not reportedBuy at Black Canyon Arms (opens in a new tab)
Palisade Sporting Goods4.2
$695.48+$75.54In stockBuy at Palisade Sporting Goods (opens in a new tab)
Gulf Coast Guns4.6
$703.48+$83.54In stockBuy at Gulf Coast Guns (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
$839.39
90-day median
90-day low
$619.94
Today's price
90-day high
$944.08
2-year low
$619.94
Oct 19, 2026
Unchanged for
1 day
Changed today
Every price change (140 in 2 years)
Every change of the lowest landed price, newest first
DateLowest priceChange
Oct 19, 2026$619.94Down 27.5%
Oct 17, 2026$854.93Down 8.2%
Oct 12, 2026$931.74Up 23.0%
Oct 11, 2026$757.29Down 19.8%
Oct 10, 2026$944.08Up 14.9%
Oct 7, 2026$821.88Down 2.1%
Oct 3, 2026$839.53Up 0.0%
Sep 27, 2026$839.25Up 1.8%
Sep 26, 2026$824.31Down 0.8%
Sep 16, 2026$831.19Down 3.2%
Sep 6, 2026$858.94Up 2.9%
Sep 2, 2026$834.38Up 17.9%
Aug 23, 2026$707.43Up 2.0%
Aug 21, 2026$693.78Down 18.3%
Aug 18, 2026$849.48Up 2.3%
Aug 11, 2026$830.68Down 10.8%
Aug 4, 2026$931.35Up 8.2%
Jul 28, 2026$861.14Down 1.5%
Jul 25, 2026$874.49Down 0.1%
Jul 14, 2026$875.32Down 1.4%
Jul 13, 2026$888.18Up 4.6%
Jul 7, 2026$849.15Down 10.1%
Jul 2, 2026$944.18Up 14.5%
Jul 1, 2026$824.73Down 13.7%
Jun 19, 2026$956.20Up 10.9%
Jun 17, 2026$862.53Down 1.0%
May 29, 2026$871.48Down 0.6%
May 28, 2026$876.99Up 24.2%
May 24, 2026$705.96Down 18.3%
May 11, 2026$863.71Down 7.8%
May 9, 2026$937.23Up 7.1%
Apr 30, 2026$874.85Down 6.8%
Apr 29, 2026$938.57Down 0.6%
Apr 28, 2026$943.90Up 9.9%
Apr 22, 2026$858.75Down 2.3%
Apr 20, 2026$879.33Down 10.2%
Apr 17, 2026$978.82Up 4.0%
Apr 8, 2026$940.82Up 5.9%
Apr 2, 2026$888.41Up 16.1%
Mar 28, 2026$765.10Down 16.3%
Mar 27, 2026$914.59Down 4.0%
Mar 23, 2026$953.17Up 32.0%
Mar 17, 2026$722.28Down 18.3%
Mar 15, 2026$884.31Down 0.5%
Mar 14, 2026$888.73Down 0.2%
Mar 12, 2026$890.16Up 0.9%
Mar 11, 2026$881.87Down 3.0%
Mar 5, 2026$909.02Up 4.6%
Feb 19, 2026$868.79Down 0.5%
Feb 5, 2026$873.09Up 0.4%
Jan 26, 2026$869.40Down 10.4%
Jan 22, 2026$969.78Up 5.6%
Jan 21, 2026$918.37Down 0.3%
Jan 19, 2026$920.81Up 1.5%
Jan 10, 2026$907.15Down 1.9%
Jan 8, 2026$924.27Up 25.3%
Jan 6, 2026$737.48Down 21.8%
Dec 29, 2025$943.01Down 0.7%
Dec 26, 2025$949.59Up 4.6%
Dec 14, 2025$907.51Down 14.6%
Dec 8, 2025$1,062.62Up 12.0%
Dec 1, 2025$948.96Down 1.2%
Nov 25, 2025$960.73Up 1.7%
Nov 17, 2025$944.73Up 1.8%
Nov 16, 2025$928.41Up 9.5%
Nov 13, 2025$847.62Down 11.0%
Nov 7, 2025$952.12Up 17.1%
Oct 28, 2025$813.15Down 13.3%
Oct 25, 2025$937.98Down 3.3%
Oct 24, 2025$969.63Up 17.0%
Oct 17, 2025$828.63Down 11.0%
Oct 11, 2025$930.64Down 3.9%
Oct 8, 2025$968.21Up 0.8%
Oct 5, 2025$960.63Up 2.8%
Oct 3, 2025$934.64Up 0.5%
Oct 1, 2025$930.31Down 9.4%
Sep 21, 2025$1,027.25Up 9.4%
Sep 20, 2025$938.61Down 0.5%
Sep 13, 2025$943.28Up 2.1%
Sep 1, 2025$923.43Down 3.5%
Aug 14, 2025$956.51Down 0.2%
Aug 13, 2025$958.66Down 12.4%
Aug 7, 2025$1,094.15Up 14.5%
Jul 28, 2025$955.19Down 4.0%
Jul 24, 2025$994.75Up 0.5%
Jul 2, 2025$989.98Up 0.3%
Jun 30, 2025$987.22Up 1.8%
Jun 28, 2025$969.58Down 13.3%
Jun 25, 2025$1,118.04Up 16.5%
Jun 16, 2025$959.33Down 5.7%
Jun 14, 2025$1,017.23Up 4.3%
May 24, 2025$975.51Down 6.4%
May 21, 2025$1,041.91Up 8.5%
May 11, 2025$960.30Down 3.7%
May 9, 2025$997.47Up 10.0%
May 4, 2025$907.02Down 5.3%
Apr 28, 2025$958.10Down 5.9%
Apr 25, 2025$1,018.68Up 8.7%
Apr 24, 2025$936.79Down 4.7%
Apr 21, 2025$982.91Down 5.7%
Apr 18, 2025$1,042.56Up 4.9%
Apr 10, 2025$993.92Down 3.4%
Apr 5, 2025$1,028.55Down 9.5%
Mar 30, 2025$1,136.34Up 15.7%
Mar 29, 2025$982.41Up 2.2%
Mar 26, 2025$961.20Down 3.6%
Mar 25, 2025$997.38Down 1.7%
Mar 20, 2025$1,014.72Up 2.5%
Mar 19, 2025$989.73Down 1.6%
Mar 18, 2025$1,005.32Down 7.0%
Mar 17, 2025$1,080.46Up 11.1%
Mar 9, 2025$972.16Down 3.1%
Mar 3, 2025$1,002.75Up 1.2%
Feb 19, 2025$990.68Up 3.4%
Feb 13, 2025$957.82Down 2.0%
Feb 6, 2025$976.90Down 4.4%
Feb 5, 2025$1,022.37Down 2.9%
Jan 30, 2025$1,052.42Up 3.4%
Jan 24, 2025$1,018.22Down 1.8%
Jan 21, 2025$1,036.44Up 4.6%
Jan 7, 2025$990.48Down 2.1%
Jan 4, 2025$1,011.68Up 8.0%
Jan 2, 2025$936.70Down 17.0%
Dec 31, 2024$1,128.08Up 7.8%
Dec 29, 2024$1,046.45Down 0.8%
Dec 24, 2024$1,054.72Up 4.4%
Dec 23, 2024$1,010.35Down 2.4%
Dec 20, 2024$1,034.70Up 22.7%
Dec 13, 2024$843.58Down 22.2%
Dec 10, 2024$1,084.12Down 0.7%
Dec 8, 2024$1,092.18Up 24.8%
Dec 4, 2024$874.92Down 18.0%
Nov 30, 2024$1,066.41Up 8.0%
Nov 28, 2024$987.83Down 17.3%
Nov 20, 2024$1,194.24Up 11.2%
Nov 19, 2024$1,074.42Up 1.4%
Nov 18, 2024$1,059.39Up 0.9%
Nov 8, 2024$1,049.95Down 0.5%
Nov 6, 2024$1,055.48Up 4.0%
Nov 2, 2024$1,014.93Down 1.6%

About this product

The Glock 21 Gen4 .45 with Holosun 507K 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 with red dot 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
With red dot
Condition
New
$619.9426% below usual
at Granite Peak Supply
Buy now at Granite Peak Supply(opens the store in a new tab)