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Glock G21 Gen 4 45 ACP 4.6in Barrel 13+1 Round Capacity

(8 Reviews)

SKU: UG2150203
Model: 21 GEN 4
UPC: 764503913648
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Quantity on Hand: 2

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  • Product Details

The Glock G21 Gen 4 45 ACP is a reliable and powerful weapon, perfect for personal protection. It boasts a 4.6in barrel, 13+1 round capacity, and a durable polymer frame that meets the most demanding conditions. This versatile handgun offers an adjustable backstrap, making it ideal for shooters of any size or experience level.

Plus, it's equipped with the latest safety features to give you peace of mind when carrying it in your home or on the range. Expect precision, accuracy, and superior performance with this trusted gun from Glock.

Additional Features:

  • Ergonomic design features a fixed back strap and finger grooves in the grip for improved handling.
  • Robust construction ensures durability and reliability round after round.
  • Striker-fired action with Safe Action® System for a smooth and consistent trigger pull every time.
  • Modular backstrap system allows you to customize the fit of your firearm to suit your unique needs.
  • Polymer frame is lightweight yet strong, providing a comfortable shooting experience with minimal recoil.
  • Included Picatinny rail allows mounting of lights, sights, and other accessories.
  • Standard white dot sights provide quick target acquisition, while the option to upgrade offers enhanced visibility in low-light conditions.


Pricing UnitGN
Model21 GEN 4
  • Questions & Answers

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  • Customer Reviews

5 out of 5

8 total reviews for this product






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David P.
Favorite Glock

Great Glock, very accurate, love to shoot, one of my 2 favorite my G21 and my G30

Jesus A
Glock 21 gen5

Great firearm, people were helpful very polite help with all the questions needed definitely will be coming back.

Glock 45 gen 4

The purchase was just perfectly done my salesman at Range USA Louisville Store was very knowledgeable think he has been there at store awhile he was great very quick on sale I hope I have good service of the Glock because this is my first I'm a SIG kinda of shooter as always this Store has always been top notch thanks Range USA for all you all do.

Glock 21

Love it is lighter than my 1911 and have a larger magazine capacity. It shoots extremely well.

Glock 21

Love it is lighter than my 1911 and have a larger magazine capacity. It shoots extremely well.

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