Remarkable for its accuracy and light recoil, the GLOCK 21 Gen4 delivers the power of the 45 Auto round with high magazine capacity. The Modular Back Strap system makes it possible to instantly customize its grip to accommodate any hand size.

Explore the GLOCK G21 Gen5 MOS, a .45 AUTO pistol with MOS configuration, including its features and benefits for enhanced shooting performance.

The Glock 21 packs a classic .45 ACP punch that you won’t soon forget. A mild recoil despite its size will make you thank yourself while rolling through its standard 13 round magazine capacity. This full-sized duty pistol weighs less than a steel 1911 thanks to its polymer frame; as the Gen 4 is being produced, this smooth-firing and accurate ...

For most people, the Glock 21 is the most conventional .45 caliber combat pistol on the market today. This gun is proven to be reliable, accurate, and durable, even when under intense performance testing. The Glock 21 comes with a standard 13 round magazine that can provide easy smooth fire power in a proven caliber.

Many shooters feel a special relationship with this timeless caliber. The GLOCK 21SF presents everything one would expect of a 45 Auto pistol. The SF design reduces the circumference of the receiver, offering increased ease-of-use and control, especially to shooters with smaller hands.

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The Glock G21 (or Glock 21) Standard Gen 4 delivers the power of .45 ACP with a high magazine capacity. The Glock 21 is remarkable for its accuracy and light recoil, and the Modular Back Strap system makes it possible to instantly customer the grip to accommodate almost any hand size.

The GLOCK 21 gives you everything you would expect of a .45 pistol. Countless law enforcement units swear by this superior pistol for more than just its above-average magazine capacity of 13 rounds. Standard models come with two 13-round magazines.