Welcome to the 6mm ARC Forum, your online source for all things related to the 6mm ARC cartridge. If you like, please introduce yourself. Remember: Always "post unto others as you would want them to post unto you."

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

REXUS brand barrels, bolts, flash suppressors — and more — for 6mm ARC, 6.5 Grendel, 22 ARC, and 5.56 NATO. Visit RexusOutfitters.com.

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All local, state, and federal laws apply. In the rare event a transaction between private parties should go awry, forum management cannot be responsible in any way, nor can we mediate disputes. Please take full responsibility for your dealings here, or simply decline using this service. All postings subject to approval.

Place for discussion of the two topics one should never bring up at a dinner party. Thanks in advance for polite and respectful discussion. Speak to others as you'd want spoken to.

Shoot the breeze here on any topic you find interesting.