Glock 21 Vs 23 - Glock currently produces more than 50 different types of pistols. Here's what you need to know about the differences between Glock pistols so you can choose the right one for your particular situation.
Originally designed decades ago by legendary engineer Gaston Glock, Glock pistols are among the most popular handguns ever made. Although some in the shooting community have been slow to adopt the new polymer-framed pistol, Glock pistols are now popular with law enforcement, military and civilian shooters in the United States and around the world. Mainly because of the durability and reliability of these assault pistols.
Glock 21 Vs 23
Largely due to its popularity, Glock now makes dozens of models of pistols all over the world. However, most gun owners would agree that there are probably too many different Glock pistols in production today.
What Did I Just Buy? Glock 21 Gen 4 Question
Although they are all semi-automatic pistols, they share several features (such as the "safe action" safety system), and although parts are interchangeable between some Glock models, there are sometimes significant differences between Glock pistols.
Glock currently produces semi-automatic pistols chambered in seven different cartridges: 9x19mm Parabellum (aka 9mm Luger), .357 SIG, .380 ACP, .40 S&W, 10mm Auto, .45 ACP (aka .45 Auto) and .45 GAP. Meanwhile, Glock pistols are produced in five different size configurations: Standard, Compact, Subcompact, Slimline and Competition.
Standard models have a large magazine capacity intended for use by the FBI, law enforcement and military as a handgun/weapon or for general use and protection of civilians. Compact models are slightly smaller in size and have a smaller magazine capacity. Law enforcement agencies often issue compact models to officers with smaller hands, and these models are more popular for concealed carry. If it's good enough for a police department, you know you can count on it when you need it.
Subcompact models are smaller and designed specifically for concealed carry. As the name suggests, Slimline models are the smallest Glock pistol models in production and use a single stack magazine that creates a very narrow frame due to reduced magazine capacity. Competitive models have longer barrels, better slides and better sights.
Glock 21 Slide Takedown
As a result, Glock has updated its guns several times in the industry. These updates can be divided into several different generations.
The first Glock designed for the Austrian government in 1981 is sometimes referred to as the "First Generation" or Gen 1 Glock pistol (below left). Glock updated its design in 1988, and the 2nd generation (Gen 2) pistols included new checks and serrations on the grip (top right). Glock revamped the design in 1998, and the 3rd generation (Gen 3) pistols have an accessory rail along with thumb holes and a full thumb grip (below left).
The first 4th generation (Gen 4) Glocks appeared in 2009. Gen 4 Glocks have interchangeable backstraps to better fit the shooter's hand, enlarged and reversed magazine grips, dual springs to reduce feel loss, and rough textured frames. to pull the handle (bottom right). Glock introduced the 5th generation (Gen 5) firearms in 2017. In addition to the smaller locking block and smoother motor of the Glock Gen 5 pistol, the Glock Gen 5 pistol lacks the ambidextrous slide stop, new Glock Marksman Barrel, new magazines , and thumb holes on the handle.
No matter what Glock model you choose, these are great guns and there are plenty of triggers, grips, night sights, springs, magazines and other parts to improve that performance.
Glock Gen4 Review
Arguably the best Glocks of all their offerings are the 9mm pistols for the best firepower. The G17 holds a 17-round magazine, while the 19 holds 15 rounds, with no compromise in capacity.
Glock 17 Gen 4 MOS (G17 Gen 4 MOS) Full size, 4th generation full size pistol with Modular Optics System (MOS).
Glock 17 Gen 5 MOS FS (G17 Gen 5 MOS FS) Full size, 5th generation full size pistol with modular optical system (MOS).
The Glock 19 Gen 4 MOS (G19 Gen 4 MOS) is a 4th generation full size pistol with a compact, modular optical system (MOS).
Glock 23 .40 S&w Od Green 4\
Glock 19 Gen 5 MOS FS (G19 Gen 5 MOS FS) is a 5th generation full-size pistol with a compact, modular optical system (MOS).
Glock 19X (G19X) Full size frame, no thumbholes, Glock Marksman Barrel, compact slide crossover gun with ambidextrous slide stop and available in coyote color. It was built for the Army Modular Weapons System competition.
Glock 34 (G34) ModernCompetition Handgun (similar to Glock 17L, but slightly shorter), available in 3rd, 4th, 5th generation models
Glock 45 (G45) Compact slide, full-size frame pistol (very similar to the Glock 19X, but with Gen 5 features)
Glock G21 Gen4 Vs Glock G25 Size Comparison
Glock 35 Gen 4 MOS (G35 Gen 4 MOS) 4th generation pistol with Modular Optics System (MOS).
Glock 40 Gen 4 MOS (G40 Gen 4 MOS) Modern competition 4th generation pistol with Modular Optical System (MOS).
Note: All Glock pistols chambered in .45 ACP are octagonal rifling with a larger bore to obtain a better gas seal.
Glock 41 Gen 4 MOS (G41 Gen 4 MOS) 4th generation pistol with Modular Optics System (MOS).
Glock's Soft Shooting .45: The Glock Model 21
Note: All Glock pistols chambered in .45 GAP are octagonal rifling with a larger bore to obtain a better gas seal.
Like what you see here? You can read more great articles on John McAdams' Big Game Hunting blog. Follow him on Facebook, Twitter, YouTube and Instagram. The most common question for new Glock buyers is, "What is my Glock?" Before the release of the 4th generation, Glock was known by nothing but official numbers and contributed to the perception that "Glock Glock - Glock - All the same". But early collectors noticed the differences and informally began to "breed" into three main iterations or groups. The nomenclature is so widespread that Glock was involved in the release of Gen 4 in 2008, and promotional literature in some places refers to earlier Gens.
The pictures below will help you identify exactly which generation the Glock is a part of, but keep in mind that there is a lot of inconsistency because the models move slowly. Also, gen 3 guns are still manufactured in California due to gun restrictions, so you may have a gen 5 gun that is older than a gen 3! The markers in the images define basic characteristics that are consistent across generations, but small changes in markers and internal components can be found at different intervals within the same gene, sometimes consecutively. Thus severe intergenerational gaps are only identified. significant frame changes, most of which change two or more times, but some changes last only a short time within a generation.
The first generation was one of a series of changes. The initial design, while reliable, is still being developed. A consistent feature is the all-encompassing grip structure (no front or back strap control). It has a softer feel compared to later breeds and is considered a "gem" by collectors. Early guns have a thinner stainless steel barrel that was introduced earlier (not later than the AD prefix) and the barrel wall thickness is not later than the AN prefix. There are some changes to the magazine, case and minor internal parts. All copies will have proof marks in Austria, but will not be serialized or numbered. Very early (pre-US) guns and guns intended for European markets do not have a serial number on the frame. Many early guns were equipped with sights known as Weekend Sights due to their weakness. Regular (specified) sights will also receive a period correct, target version award. All frames except the 19th made in the front straps had a crescent well embossed at the bottom.
Grip Frame Insert Plug For Gen 1 5 Glock 17 18 19 20 21 22 23 24 25 31
Gen 2 is what novice collectors or uninformed dealers will call Gen 1. The confusion stems from two factors: 1. Gen 1 is extremely rare and most casual observers may not have seen it before. 2. Many models were introduced in the Gen 2 line and some consider them "Gen 1" because this is the first issue of a particular model. To clarify, if you have a model 20 or higher, there is a Gen 2 Glock, even if it is the first version of that gun. For the 17-19 models, the difference between the 1st and 2nd is the change in the front and rear bumpers, the structure of the side panels (deeper than the 1st Gen). Gen 2 also saw the use of an additional 5-gauge chamber, and all non-.380/9mm guns were fitted with a second locking block to prevent frame cracking. It should be noted that the number of pits does not define a breed as many people think. Only two of the 9mm frames are available
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