Difference Between 45 ACP and 45 GAP Pistols (With Table)

Pistols or revolvers are one of the most important weapons that every police officers have with them. In the market, people would get to explore a huge variety of pistols. The two much-renowned pistols made and designed by two different people are 45 ACP and 45 GAP.

The size, bullet weight, and pressure required for firing are different in the 45 Automatic Colt pistol and Glock Auto pistol. Both of these pistols are different in operation as one may be easier in operating. The pistols are used for firing the targets. Therefore, it should have good power to work properly on the targets.

45 ACP vs 45 GAP           

The main difference between 45 GAP and 45 ACP is their diameter length, power, and uses. The 45 ACP comes with a bullet capacity of around 230 grains, and the pistol would not be able to hold the bullet weight above 230 grains. On the other hand, the 45 GAP pistols would not be capable of holding more than 200 grains of bullet weight due to less capacity than the 45 ACP.

45 ACP vs 45 GAP

The 45 ACP is a well-known revolver for its power, capacity, and accuracy in firing targets. Handing the 45 ACP would be slightly tough for beginners, as they are quite large and complex pistols. In 1904, Jon Moses Browning came with an outstanding pistol with good length and power to support the arm forces and other police departments.

The 45 GAP is a good pistol for beginners as it is smaller and less capable in case of holding bullets than the 45 ACP. These pistols due to their short length are not used in many lawful departments. The diameter of the 45 GAP is smaller, and this makes it inappropriate for use in the armed forces or by police officers.

Comparison Table Between 45 ACP and 45 GAP

Parameters45 ACP45 GAP        
Size          The Automatic Cold pistol is popular for having the perfect length required for targeting humans. The length of the 45 ACP is as per the requirement.45 Glock Auto pistols don’t come in the long pistols category. They are considered as handguns, but the length would be not exactly as per the requirement of a pistol.
Power      45 ACP seems to be more powerful and would bring better results in firing the targets as compared to the 45 GAP.  The power of the 45 GAP is good, but it would be slightly less as compared to the 45 ACP due to its size and less bullet weight capacity.
Introduction year           45 ACP came into the market in 1904.   People got to know about the 45 GAP in the year 2003.
Privileges            45 ACP came before 45 GAP, and it has more exactness and perfection. The reputation of the 45 ACP is much due to its features and power.45 GAP came after the 45 ACP came into the market. 45 GAP could be taken in the list of reputed pistols, but it would not be able to break the popularity of 45 ACP.
Handling It would be herculean to handle the 45 ACP as it would be bigger and the weight would be more than 45 GAP.  The beginners would not face many difficulties in usage of the 45 GAP if they are trained properly as the weight and size of 45 GAP would be convenient for people.

What is 45 ACP?

A powerful pistol that is approved and accepted by the law enforcement agencies for its accuracy and power is identified as 45 ACP. This pistol can be used by people that have a license for using it. People that are looking for a pistol with good grip and pressure should always go for the 45 ACP if the size is not a problem.

The size of the 45 ACP is quite bigger for people that are not adopted with using pistols. The people that have small hands would face difficulties and discomfort in using the 45 ACP if they are not given proper training. People can also find the 45 Super which is another variety of the 45 ACP. These two variants of the pistols would not have many differences, but they have differences in pressure required for shooting with the pistols.

What is 45 GAP?

Another good pistol is going to be convenient for people with small hands. This type of pistol is extremely easy and simple to use as it comes in a very convenient size and weight. The beginners can always use this pistol for avoiding issues in hand and neck while operating the pistols.

The 45 GAP pistols are also found in many varieties in the market and people can choose the best one for them. If someone is looking for a pistol that requires more pressure to operate than the 45 ACP, then the 45 GAP would be a better option. Nobody would find the 45 GAP pistols more than 27 mm (approx.) in length.

Ernest Durham came with this type of pistol for making it comfortable for the people that love short guns for shooting purposes. This pistol can be a huge competitor of 45 ACP if the shooting pressure is considered.

Main Differences Between 45 ACP and 45 GAP

  1. The 45 ACP is convenient for people that love using big pistols, whereas the 45 GAP is more appropriate to be used by people who like using short guns.
  2. The pressure required for operating the 45 ACP is less than the pressure required for operating the 45 GAP.
  3. The 45 ACP pistols were manufactured in 1904 which is very early than the manufacturing of the 45 GAP pistols.
  4. The 45 ACP is tough to handle by beginners due to its large size and bullet weight, whereas the handing and working of 45 GAP pistols would be less complicated if you can give the required amount of pressure.
  5. The originality and reputation of 45 ACP are more as compared to the 45 GAP as it has been there in the market for many years.


 Both 45 ACP and GAP at good at shooting objects and humans. If someone sees the power of pistols in their size, bullet capacity, and manufacturing, then 45 ACP would prevail. The 45 GAP is a brilliant pistol due to its working or operating pressure, which is extremely higher than the 45 ACP.

The size and bullet capacity of the GAP came as a disappointment for people that love big pistols. The type of pistols someone is going to choose depends on the preference of the person. The 45 ACP pistols is available to people since 1904 which is another bonus point for bringing more reputation to the ACP. Both of these pistols come with their special features and demerits.