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Tag: ar15

direct impingement VS piston

Direct Impingement VS Piston Driven AR-15s

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 […]

binary trigger

What Is A Binary Trigger?

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 […]

M855 VS M193

M855 VS M193

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 […]

an image depicting an ar15 rifle in front of barrel rifling

Barrel Twist Rate – Selecting Bullet Weight For Your AR

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 […]

photo of eugene stoner

Eugene Stoner: Historic Profile

The Eugene Stoner designed Armalite Rifle AR-15 is the most popular rifle design in the US today. Popular for its modularity and performance, it has become a polarizing figure in the media on both sides of the aisle. If the mainstream media is to be believed, the ‘AR’ in AR15 stands for “assault rifle.” Rolling […]