Share 6mmARC factory ammo and reloading data

6mmARC was designed at the request of a U.S. DOD entity for use in AR15-style rifles, so discuss here its use in semi-auto platforms

6mmARC is a fantastic cartridge for growing class of micro-action bolt action rifles

Guys helping guys build guns — and troubleshoot problems — related to 6mmARC firearms

Like the venerable .243 Winchester, but in a smaller AR15 platform, the 6mmARC is an efficient, low-recoil deer hunting cartridge and, with speedy light bullets, a premium varmint round

6mmARC takes advantage of the many excellent 6mm target bullets and provides high-performance, low-recoil capability for long shooting sessions from compact weapons

6mm ARC was developed, starting in 2018 and formally released to the public in 2020, at the request of a U.S. DOD military entity to provide greater capability than 5.56 NATO and slightly better external ballistics than 7.62 NATO at long range from the familiar AR15-style weapon envelope