While many, perhaps even most, ARs and AR-style platforms, including ARPs, are chambered in 5.56, the modern market has a lot more to offer

There are plenty of reasons to build an ARP, or AR pistol. That we’ve covered before. You’re probably already aligned on that.&n

You can build another AR style rifle around 5.56 and play around with barrel length, buffer weight, or the style of handguard you use on the

You can build a carbine if you want a light rifle platform that handles well in tight spaces. Or you can really jump to the end and build an

Most assembled uppers and AR15 build kits come with flash hiders, many of them with A2 flash hiders. The primary purpose of a flash hider is