One of the shortest common barrel lengths for ARPs is 5 inches, but not all builders choose a 5 inch AR pistol upper for their builds. As with all things in firearm engineering, and in life, there are benefits and tradeoffs to every choice.
So, with that said, let’s put 5 inch AR pistol uppers under a microscope for a moment to see what sorts of advantages they offer...
Plenty of folks build 16 inch carbines, and plenty more build ARPs, but there is a dedicated subset of those that build true, full-size rifles.
For these, it’s hard to beat a 20 inch AR upper, if only for the number of benefits that a 20 inch upper can confer.
Let’s start with these 5, which are arguably the most important.
A flatter trajectory: Because the longer...
AR pistols, or ARPs, as they are sometimes known, are among the most popular AR variants in the country, next to carbines and full-size rifles.
But did you know these 6 facts about them?
They offer rifle firepower in a smaller footprint
One of the things that makes AR pistols popular is that, despite the fact that they are roughly the same size and weight as some larger handguns,...
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