Introducing the 6mm ARC

Introducing the 6mm ARC

This is a discussion on Introducing the 6mm ARC within the Guns & Ammo forums, part of the Tools of the Trade category; Hornady has came out with a new round perfectly suited for the AR platform or bolt guns. Rumor has it that a certain military agency ...

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Thread: Introducing the 6mm ARC

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    Administrator dennishoddy's Avatar
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    Introducing the 6mm ARC

    Hornady has came out with a new round perfectly suited for the AR platform or bolt guns.
    Rumor has it that a certain military agency has adopted it as a replacement cartridge.

    Basically it's a 6.5 Grendel necked down to 6MM. Pretty impressive ballistics that will greatly out perform the 5.56 and the .308 that only comes in the heavier plarform AR-10. The 5.56 has had issues with lethality after penetrating a barricade or at ranges past 300 yards or so.

    Bullets for reloading range from 55 grain to 108 grain.

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    More info at https://www.hornady.com/6mmARC#!/
    Bullbuster and kwaynem like this.
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    Super Moderator Bullbuster's Avatar
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    How’s it on lethality for big game? I’m sure whitetail and antelope but mule deer and even elk? I’m clueless on these small wildcat types of rounds.
    Steve Petersen--Correctional Peace Officer, Owner-Bullbuster Taxidermy, Retired Military AD1(AW) USN (ACT) 12/07/1997-10/02/2011, TSgt USAFR 10/03/2011—01/07/2018, Master Hunter and uncontested owner of the first deer killed off the Grady County WMA-2011 (Verified by Rex Umber WMA biologist) Kids who hunt and fish, don't steal and deal

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    Master Hunter
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    Lots of videos just came out on YouTube about this cartridge looks impressive
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    Super Moderator Bullbuster's Avatar
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    Quote Originally Posted by kwaynem View Post
    Lots of videos just came out on YouTube about this cartridge looks impressive
    I do like youtube videos.
    kwaynem likes this.
    Steve Petersen--Correctional Peace Officer, Owner-Bullbuster Taxidermy, Retired Military AD1(AW) USN (ACT) 12/07/1997-10/02/2011, TSgt USAFR 10/03/2011—01/07/2018, Master Hunter and uncontested owner of the first deer killed off the Grady County WMA-2011 (Verified by Rex Umber WMA biologist) Kids who hunt and fish, don't steal and deal

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    Master Hunter okbob's Avatar
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    Think I'll stick with my 6mm and .243
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    Administrator dennishoddy's Avatar
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    Introducing the 6mm ARC

    With any of the 6mm bullets from 55 grain to 108 grain a whitetail has no chance of survival if the bullet is properly placed.
    I would have second thoughts on elk unless one used the Barnes solid copper. Elk have really thick bones.
    I’m predicting it’s going to be popular because it’s higher velocity and flatter shooting than the 6.5 Grendal while being easily adapted to the AR platform because it’s a short action cartridge.
    kwaynem and okbob like this.
    "The strongest reason for the people to retain the right to keep and bear arms is, as a last resort,
    to protect themselves against tyranny in government." - Thomas Jefferson

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    Guide Archer22's Avatar
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    6mm ARC is basically a .243 out of an AR15, except it's a touch slower than a true .243win.

    It's very close to a 6.5 Grendel if you compare the 6 ARC 108gr ELDM vs the Grendel 123gr ELDM. At 400 yards 6.5 Grendel has 44 less ft lb energy, 3" more drop, and 175 fps slower than 6mm ARC. BUT if you load the Grendel with the same weight 108gr Lapua Scenar, I bet you have a brand new ball game. (I like my 6.5 Grendel )

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    Scout
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    Aside from Hornady's backing behind the SAAMI listing, we've seen several good wildcats with this combo already (6mmAR and .243 LBC from Grendel, 6mm Predator, 6 WOA, and TAC 6 from 6.8 SPCII). Heck, even the 6x45 is a decent little round.

    Good to see Hornady bring what will probably be a great long-range target cartridge into the light for many, but nothing ground-breaking for sure. To me this seems like the .260 Remington, that failed to grab a lot of attention and then Hornady came out with the 6.5 Creedmoor (which took off).

    I'll stick to my 6.8 SPC, or 6.5 Grendel for hunting as I see both being a little better...But the 6mm ARC should do fine on deer-sized game within reasonable ranges.

    I think that many people will like this one.

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    Super Moderator Bullbuster's Avatar
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    I’ll stick to my less than wildcat rounds for awhile longer before jumping onto any bandwagons.
    Steve Petersen--Correctional Peace Officer, Owner-Bullbuster Taxidermy, Retired Military AD1(AW) USN (ACT) 12/07/1997-10/02/2011, TSgt USAFR 10/03/2011—01/07/2018, Master Hunter and uncontested owner of the first deer killed off the Grady County WMA-2011 (Verified by Rex Umber WMA biologist) Kids who hunt and fish, don't steal and deal

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    Master Hunter Bird (this time)'s Avatar
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    Just what an AR builder needs, another reason to build another rifle.
    kwaynem likes this.
    America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards.

    Vermont State Rep. Fred Maslack

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