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.

TECHNICAL DATA
 
Caliber: .45 Auto
 
System: Safe Action®
 
Mag. Capacity: 13
 
Barrel Length: 117 mm | 4.61 inch
 
Weight without magazine: 745 g | 26.28 oz
 
Weight with empty magazine: 830 g | 29.28 oz
 
Weight with loaded magazine: 1100 g | 38.80 oz
 
Trigger Pull: 28 N

DIMENSION
 
1 Length (Overall)** 205 mm | 8.07 inch
2 Slide Length 193 mm | 7.60 inch
3 Width (Overall) 34 mm | 1.34 inch
4 Slide Width 28,5 mm | 1.12 inch
5 Height incl.Mag. 140 mm | 5.51 inch
6 Line of Sight (Polymer) 172 mm | 6.77 inch
  Line of Sight (Steel) 171 mm | 6.73 inch
  Line of Sight (GNS) 170 mm | 6.69 inch
7 Trigger Distance** 72,5 mm | 2.85 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps. 

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