The 40 S&W caliber closes the gap between the heavy 45 Auto calibers and the 9 mm Luger service calibers. GLOCK was the first manufacturer to make the advantages of this balanced caliber accessible to law enforcement agencies. By applying the Gen4 technology with the Modular back strap design and the reversible magazine catch to this pistol model the user may instantly customize its grip.

*Due to the Nature of LE Trade-Ins, some pistols may not have all accessories pictured. These pistols may show normal wear, but like our amazing men and women in uniform who previously used them, they will still dependably operate as intended