Understanding the Differences Between 45 Gap and 45 ACP
When it comes to handgun calibers, the 45 GAP (Glock Auto Pistol) and 45 ACP (Automatic Colt Pistol) are two popular options that are often compared. While they share some similarities, there are key differences between the two calibers. In this article, we’ll delve into the 5 key differences between 45 GAP and 45 ACP to help you make an informed decision when choosing a handgun.
Difference 1: Case Length and Overall Length
One of the most noticeable differences between 45 GAP and 45 ACP is the case length and overall length. The 45 GAP has a shorter case length of 0.755 inches, compared to the 45 ACP’s case length of 0.898 inches. This results in a shorter overall length for the 45 GAP cartridge, making it more suitable for compact handguns.
📝 Note: The shorter case length of the 45 GAP allows for more efficient use of space in the magazine, resulting in higher capacity.
Difference 2: Pressure and Velocity
The 45 GAP operates at a higher pressure than the 45 ACP, with a maximum average pressure of 23,000 psi compared to the 45 ACP’s 21,000 psi. This increased pressure allows for a slightly higher velocity for the 45 GAP, with an average muzzle velocity of 935 ft/s compared to the 45 ACP’s 850 ft/s.
💥 Note: The higher pressure and velocity of the 45 GAP result in a slightly flatter trajectory and more kinetic energy at the muzzle.
Difference 3: Bullet Weight and Type
Both 45 GAP and 45 ACP cartridges can accommodate a wide range of bullet weights and types. However, the 45 GAP is often loaded with lighter bullets, typically ranging from 185 to 200 grains, while the 45 ACP is often loaded with heavier bullets, typically ranging from 230 to 250 grains.
Difference 4: Magazine Capacity and Compatibility
The 45 GAP has a higher magazine capacity due to its shorter case length. The Glock 37, for example, has a standard magazine capacity of 10 rounds, while the Glock 21, which fires the 45 ACP, has a standard magazine capacity of 13 rounds. However, the 45 ACP has wider compatibility across different handgun platforms.
📈 Note: While the 45 GAP has a higher magazine capacity, the 45 ACP is more widely accepted across different handgun platforms.
Difference 5: Availability and Cost
The 45 ACP is a more widely available caliber, with a broader range of ammunition options and lower costs. The 45 GAP, on the other hand, is less widely available and can be more expensive.
| Caliber | Average Cost per Round |
|---|---|
| 45 GAP | $0.50 - $0.70 |
| 45 ACP | $0.30 - $0.50 |
The choice between 45 GAP and 45 ACP ultimately depends on your specific needs and preferences. If you prioritize higher magazine capacity and a more compact design, the 45 GAP may be the better choice. However, if you prefer wider compatibility and lower costs, the 45 ACP is likely the better option.
In summary, the 5 key differences between 45 GAP and 45 ACP are:
- Case length and overall length
- Pressure and velocity
- Bullet weight and type
- Magazine capacity and compatibility
- Availability and cost
By understanding these differences, you can make an informed decision when choosing between these two popular handgun calibers.
What is the main advantage of the 45 GAP?
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The main advantage of the 45 GAP is its higher magazine capacity due to its shorter case length.
Is the 45 ACP more widely available than the 45 GAP?
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Yes, the 45 ACP is more widely available and has a broader range of ammunition options.
What is the typical bullet weight range for the 45 GAP?
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The typical bullet weight range for the 45 GAP is 185 to 200 grains.
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