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Glock 21 "Safe Action" Pistol – Full-Sized Glock Chambered in .45 ACP

Glock 21


(In stock)

  • Glock 21 "Safe Action" Pistol – Full-Sized Glock Chambered in .45 ACP Glock 21 "Safe Action" Pistol – Full-Sized Glock Chambered in .45 ACP
  • Glock 21 "Safe Action" Pistol – Included Accessories Glock 21 "Safe Action" Pistol – Included Accessories

Quick Overview

The Glock 21 “safe action” pistol is a striker-fired, semi-automatic pistol that utilizes a short-recoil operation alongside Glock’s “safe action” system of three passive, independently operating safeties. The Glock 21 is chambered for .45 ACP and comes with two 13-round box magazines, a magazine loader and a plastic Glock carrying case.

Availability: In Stock

Only 2 left



The Glock 21 is a striker-fired, semi-automatic polymer pistol that is chambered in .45 ACP. The Glock 21 features a 4.61-inch barrel and an overall length of 8.23 inches. Weighing in at just 26.46 ounces, its relatively light weight combines perfectly with an ergonomic shape that makes carrying the pistol extremely comfortable despite its full size. A trigger pull of approximately 5.5 pounds is joined by a trigger travel of just half an inch to provide for exceptional performance. The pistol has an effective range of 50m and features adjustable sights that consist of a ramped front sight and a notched rear sight, perfect for acquiring targets quickly and easily. As noted, each pistol comes with two 13-round box magazines.

Like all other Glocks, the Glock 21 features the “safe action” system, which consists of three passive, independently operating mechanical safeties. Though the pistol has no manual safety, its three internal safeties work seamlessly to prevent accidental discharges and safety hazards. The trigger safety is a small lever on the trigger itself that prevents rearward movement of the trigger unless both the trigger and trigger safety are depressed simultaneously. The firing pin safety is a spring-loaded device that blocks the firing pin channel, preventing any forward movement of the firing pin unless the trigger is depressed. Finally, we come to the drop safety. When engaged, the rear of the trigger bar rests on a drop shelf. When the trigger is depressed, the bar moves off of the shelf until it is fully separated from the firing pin lug, allowing the firing pin to move forward. All three safeties are engaged when the trigger is forward. Once the trigger is depressed, each safety disengages sequentially to allow a discharge. When the trigger is released, all three safeties automatically reengage. Though the four cardinal rules of firearm safety are enough to prevent all accidents, the “safe action” system employs the idea that the pistol can only be discharged by an intentional trigger pull.

Additional Information

SKU PI2150203
Manufacturer Glock
Caliber 45acp
Condition Factory New
Finish Matte Black
Returns Accepted Yes - Must Not Be Modified Or Visibly Used
100 1 100 0
  1. no more 1911 review by Michael on 7/6/2012

    For a long time i carried and relied on the 1911 for in-home and everyday carry defense pistol. I had been seeing the newer 45acp pistols, but they looked and felt a bit like toys. One day i was thinking about the original intent for the 1911, and realized that it was originally designed for a situation when you are out of ammo or have a jam in your main battle rifle in WWI. All this time I had been carrying it as my first line of defense, when in reality, it offered little more protection than a revolver. I went in to my local gun shop and said, I'm ready for more, and the Glock 21 is what they showed me. I have to say, that day changed my life be it 13+1! They do sell 27 and 30 round mags for these beasts which will take care of any general problem that I can think of. The way i see it you can either get the guns of the future, or you can die with the past.

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