Many believe the barrel is the heart of a firearm. Maybe that’s why the various AR-15 barrel profiles are so close to the hearts of many gun owners. Shooters carry strong feelings on this topic, so we’ll walk through them carefully, talking about AR barrel histories, profile variations, and the latest styles. In these modern […]
By Guy J. Sagi The variety of modern sporting rifles available today is staggering, ranging from basic and utilitarian to fully tricked-out race guns. Regardless of style, price or accessories, all harness a portion of the hot gas released with each shot to fuel their semi-automatic operation. There are two methods of putting that captured […]
Put simply, a binary trigger is a type of semiautomatic trigger with two firing modes: semiautomatic and binary. Semiautomatic is self-explanatory; it’s the standard trigger type that fires one round from your gun per trigger pull. A binary trigger setting fires two rounds with each pull of the trigger – once when you pull the […]
You probably already own a host of firearms chambered in 5.56x45mm NATO. This popular cartridge was first developed in the 1970s by FN Herstal for the M-16 battle rifle used during the Vietnam War. The AR-15 rifle, which is the civilian version of the M-16, also takes advantage of this popular chambering. Today, the civilian […]
By Guy J. Sagi The spiralled grooves and lands inside a firearm barrel—rifling—force a projectile to rotate as it travels from breech to muzzle. The spin continues upon exit, improves in-flight stability and enhances downrange accuracy. The critical role it plays is undeniable, although it can be particularly confusing for AR-15 owners interested in maximizing […]
