The success of the Glock 21 has meant that other manufacturers, including Smith & Wesson, Sig Sauer, Heckler & Koch, and Springfield Armory have all introduced .45 ACP versions of their high capacity ...

Here’s What You Need To Remember: The Glock 21 is a bridge between new and old, mating a powerful old favorite round with modern handgun technology. The gun not only succeeded in the civilian market ...