AR15 barrel length is one of the most hotly contested areas of rifle builds. There are those that would tell you barrel length is a matter o

Unlike most other firearms, AR-15 rifles, like some other sporting rifles, have two receivers, rather than just one. These are the upper and

One of the reasons the AR-15 is “America’s Rifle” is because of how endlessly modular it is. That being the case, upgradin

Command Arms Accessories (CAA) micro conversion kits (MCKs) are basically a chassis into which you insert a compatible handgun, which conver

On the one end of “short” you have carbine-length ARs. On the other end you have ARPs. In between, you have SBRs, or short barre