There was resistance from the market to accept a "plasticgun", but this was overcome. Glock pistols have become the company's most profitable line of products, with 65%[when?] of the market share of handguns for United Stateslaw enforcement agencies.They also supply many national armed forces and security agencies around the world. Glocks are also popular firearms amongst civilians in the U.S., for recreational and competition shooting, and for home or self defense.
"17L" and "17C" and "17MB" and "17M", are versions that were developed from Glock 17. The P80 has a frame from the Glock 17 generation 1; The internals (or parts inside) are from generation 2 and generation 3.
Glock 19; The manufacturer calls it the "Compact". It is described as a reduced-size Glock 17. It was first made in 1988.
"19X" and "19M" and "19 Canadian", are other versions.
Glock 26, smaller frame than the Glock 19; The U.S. military uses it, and calls it MK 26. The size is called subcompact ('smaller than compact'). The pistol grip (has place for or) supports only two fingers. The magazine has a double-stack magazine with a standard capacity of 10 cartridges. A factory magazine with a +2 extension gives a capacity of 12 rounds.
Glock 34, (used for competitions, or) a competition version of the Glock 17
Glock 43, a (slim or) slimline version of Glock 26. The magazine can have 6 cartridges. "43X" was developed from it; Its magazine can have 10 cartridges.
Glock 45
Glock 47
Glock 48; it comes with a magazine that can take 10 rounds; The pistol is a "slimline" version similar to the subcompact Glock 43 and 43X. The Glock 48 has a 4.17-inch-long barrel, front slide serrations, a built-in extended beaver tail, a reversible magazine catch (similar to Gen 5 models), GMB rifling (again similar to Gen 5 models),.