Glock 21 Gen 4 45 Auto 4.61″ Barrel


SKU: GLOUG2150201 Categories: , Tag:

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. The reversible magazine catch makes it ideal for left and right-handed shooters The Gen4 system is the perfect complement to the 45 Auto caliber cartridge.


System Safe Action®
Trigger Pull (N) 28
Barrel Length (mm) 117
Mag Capacity 10
Weight w/o Mag (g; oz) 745; 26.28
Weight w/ Empty Mag (g; oz) 830; 29.28

Exterior Dimensions:

Overall Length (mm; in) 205; 8.07
Slide Length (mm; in) 193; 7.60
Overall Width (mm; in) 34; 1.34
Slide Width (mm; in) 28.5; 1.12
Height Including Mag (mm; in) 140; 5.51
Line of Sight (mm; in) 172; 6.77
Trigger Distance (mm; in) 72.5; 2.85

Additional Information:

Specs are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Manufacturers, importers, suppliers, and distributors may make changes to their products without fanfare. Such changes can lead to discrepancies between the advertised product and the actual product in inventory. While International Shooting Supplies Ltd. endeavors to correctly describe the actual product in inventory, we will not be responsible for unintentional inaccuracies in text and images of the advertised product.

Weight 2.0 kg
Dimensions 30 × 27 × 9.5 cm

45 ACP



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