AR15 complete uppers come with barrels, usually installed on the upper receiver. If not, it’s not a complete upper.Your barrel is either goi

You know what’s great about CAA Micro Conversion Kits?The fact that they can improve handling of a variety of handgun platforms and increase

One of the most attractive elements of “America’s Rifle” is that it is so highly modular. You can take off almost any part of an AR, stick a

Tinkerers who build their own rifles are usually fairly familiar with the parts that constitute the upper and lower receiver groups.For thos

A little over a year ago, we posted a breakdown of the differences between Picatinny and M-LOK rail systems, and what the relative advantage