45 ACP vs. 45 GAP

The semi-automatic pistols, fully automatic pistols, single-shot pistols, manual repeating pistols, etc. Popular and in demand to this day pistols were found in 16th century Europe. Amongst those are 45 ACP and 45 GAP. Another commonly confused round when it comes to purchasing ammunition online.


The first thing you should be aware of is the difference between the 45 ACP and 45 GAP is their size. 45 ACP is slightly bigger than 45 GAP. Also, keep in mind that 45 GAP pistols operate at a higher pressure.
ACP abbreviation stands for automatic colt pistol. It originated in 1904.


It generally has a 230-grain bullet weight, and this round is very popular among the army. 45 ACP provides excellent accuracy when used against human targets, hence its common usage of it among the military.


45 GAP happens to be a pistol and GAP stands for Glock Auto Pistol. It was designed by Ernest Durham. Slightly short in diameter and length and with a maximum bullet weight of 200 grains, it is also called 45 Glock.


45 ACP and 45 GAP are two different types of pistols with various similarities as well as differences and different ammunition.
Target Sports USA sells bulk ammunition in both 45 ACP and 45 GAP.