AR-10

ar ammunition

A History of AR Cartridges

The original caliber for the AR-15 wasn’t the.223/5.56, it was a slightly smaller cartridge. The .222 Special delivered the kind of performance that the designers wanted, which was basically a 50-grain bullet at under 3,000 feet per second.

GAP-10-Featured

Gun Review: GA Precision GAP-10

Video review of the sub-MOA GAP-10 from GA Precision, a semi-automatic .308 rifle designed to maintain point of impact shot after shot.

The Colt Piston AR LE6940P.

LE6940P: A Cleaner Burning Colt

The Colt LE6940P is a modular carbine featuring an articulating link piston (ALP) operating system. It offers shooters a highly accurate, lightweight and easy-to-clean AR-platform rifle with an extended lifespan.

What do you get when you cross an AR with an AK? You get the Rock River Arms LAR-47, which accepts AK-47 mags and is chambered in 7.62 X 39 Russian.

ARs of Russian Inspiration

You can have an American AR-style rifle inspired by the AK-47 and chambered for the heavy-hitting Russian 7.62 X 39 cartridge.

The Colt LE901-16A configured with 7.62 upper. Photo by Corey Graff

Colt LE901-16S: From 5.56 to 7.62 in 30 Seconds

There was no shortage of AR-style rifles at SHOT Show 2012. But one of the most interesting was the Colt LE901-16S, a select-fire rifle designed to allow you to change the upper from 5.56 to 7.62 in a matter of seconds.