Remarkable for its accuracy and light recoil, the GLOCK 21 Gen4 delivers the legendary stopping power of the .45 AUTO round with 10/13 round magazine capacity. The Modular Back Strap design on the G21 Gen4 lets you instantly customize its grip to adapt to an individual shooter's hand size. The surface of the frame employs the new scientifically designed, real-world-tested, Gen4 rough textured technology. Internally, the new GLOCK dual recoil spring assembly substantially increases the life of the system. A reversible enlarged magazine catch, changeable in seconds, accommodates left or right-handed operators. The Gen4 system is the perfect complement to this iconic .45 caliber cartridge. The G21 also features:
- Interchangeable backstraps
- three 13 round magazines.
- Reversible magazine realease.
- High capacity for a .45 Auto.
- Chambered in .45 Auto
- 4 3/5" Barrel Length
- 8" Muzzle-to-Endplate Length
- 5 1/2" Sight-to-Pommel Length
- 1 3/10" Max Thickness (Grip)
- 29.3 Ounces with Empty Magazine
- 5.5 lb. Factory Trigger Pull
- Gen 4 Finish and Black Polymer Frame
Don’t see what you’re looking for? See our expanded online catalog
Check your state and local laws for any regulations that may apply. By purchasing a firearm from shop.openrangesports.com, you agree that you are legally allowed to do so. Per Federal law, you must be 21 years or older to purchase a handgun or firearm receivers/frames & 18 years or older to purchase long guns.