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The 6mm ARC, or Advanced Rifle Cartridge, is essentially a shortened 6.5 Grendel that has been necked down to 6mm. The ability to load high BC bullets to magazine length in an AR-style rifle makes this efficient little cartridge an excellent choice for long range and target work. It also has the ability to shoot lighter varmint bullets as well as having enough velocity to achieve proper bullet performance with many hunting type bullets suitable for deer size game. The 6mm ARC makes an excellent choice for those looking for a low recoil, flexible option in AR’s and in bolt action rifles without much downside. Several manufacturers are offering complete AR-style rifles and many more are offering barrels. Bolt action and single shot rifles and pistols are also available in this cartridge.

**WARNING** In firearms that use a floating firing pin (such as the AR-15 and its variants), dropping the bolt on a chambered round could lead to a slam fire. It is important that these firearms are loaded from the magazine so that the bolt loses inertia when it strips a round from the magazine. It is also important NOT to use sensitive primers that aren’t designed for use in an AR, as this increases the chance of a slam fire.



  250 for $162.50
$0.65/each

  500 for $309.50
$0.62/each

  1000 for $588.00
$0.59/each

Limit Quantity 2 per household
* Starline Brass does not sell any loaded ammunition. What you are purchasing are brass cases only and will need to be loaded into ammunition in order to be fired from a firearm.



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CURTIS KREUTZBERG
Draper, UT
January 15, 2024
Product Review
This is great stuff, thanks so much, we 6 ARC shooters have had a really hard time acquiring brass. We've all been necking down and trimming your Grendel brass but that's been hard to come by too! 6 ARC was introduced at the beginning of the great shortages and supplies are finally catching up.