Remarkable for its accuracy and light recoil, the Glock 21 Gen 5 delivers the legendary stopping power of the 45 ACP round with a higher magazine capacity. The modular back strap design on the Glock 21 Gen 5 for sale lets you instantly customize the grip to adapt to an individual shooter's hand size. Its frame employs the scientifically designed, real-world-tested, Gen 5 rough textured technology. Internally, the 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 Glock 21 Gen 5 is perfect for concealed carry and self-defense purposes.