{GLOCK 19: GEN 4 CONTRASTED

Choosing between the firearm 19 can be tricky , especially when considering the variations between the Gen 5 models . The firearm 20 is a powerful .40 S&W firearm , the 26 is a compact 9mm handgun , and the 19 is a widespread 9mm pistol considered as a flexible option. Gen 4 updates generally fea