Distinguishing Between 45 ACP & 45 GAP Pistols

45 ACP vs 45 GAP Pistols

The two most popular pistols in use today are the 45 ACP and the 45 GAP. They share the same bullet diameter (0.452 in) but use different calibers. The ACP stands for Automatic Colt Pistol, while the GAP stands for Glock Automatic Pistol. The 45 GAP has a smaller grip than the 45 ACP; however, their affordability and availability differ.

45 ACP (.45 ACP)

Introduced in 1904 for military use, the 45 ACP is less expensive but has a larger grip. Despite handling issues, this pistol is appreciated for its good performance. The large cartridge size results in deeper penetration, which adds to its effectiveness. The 45 ACP is considered the most original pistol, maintaining its popularity over the years and continuing to be widely retailed.

45 GAP (.45 GAP)

The 45 GAP uses a shorter cartridge and was introduced to address some shortcomings of the 45 ACP. It is a more compact pistol and is not suitable for novice users but is considered a collectible item with its more expensive cartridges.

Differences between the 45 ACP and the 45 GAP

The 45 GAP has more pressure than the 45 ACP, requiring a harder casing to prevent barrel explosions. The 45 GAP is more difficult to find and more expensive, but avid users do not feel the need to switch from the 45 ACP due to its effectiveness and availability. The 45 ACP has a larger grip, making it less suitable for women who prefer the smaller grip of the 45 GAP.

Key Takeaways

• The 45 ACP and 45 GAP are popular pistols with similar bullet diameters but different calibers and grip sizes.
• The 45 ACP is less expensive and more readily available, while the 45 GAP is more compact and has a smaller grip.
• Users do not feel the need to switch from the 45 ACP to the 45 GAP due to their similar effectiveness.