The Glock 21 is the big-bore Glock, chambered in .45 ACP with a double-stack magazine that holds more rounds than a traditional 1911. This used example includes two magazines and does not come with the box.

Glock took the .45 ACP and put it in a polymer frame, which keeps weight down and makes the pistol simpler to maintain. The grip is wide, so the G21 works best for shooters with larger hands. If you have smaller hands, the SF version with a shorter-reach grip may be more comfortable.

Check the product photos for details, and ask us if you need them confirmed. The pistol is used and sold as described, so look closely at the finish on the slide and the sights, as well as the condition of the magazines. With no box, expect plain packing at delivery and consider buying a case for storage. Two magazines is enough for a range session, and extras are easy to find.

A used G21 is a sensible way to own a .45 that you can shoot all afternoon without too much fatigue. Its record in service speaks for itself. It ships to a licensed dealer you choose, where you complete the background check and take delivery.