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knitepoet
Senior MemberPosts: 21,559 Senior Member
The new 6mm ARC....????
knitepoet
Senior MemberPosts: 21,559 Senior Member
I just received an email containing information about Hornady's new round.the 6mm ARC (Advanced Rifle Cartridge)
In researching it a little, seems a LOT like a 6.5 Grendel necked to 6mm.
In the hornady flier I saw, they list its benefits over different rounds already on the market.
Here's their comparison to my beloved Grendel. I'm not sure I agree with the "wider assortment of bullets" but I guess they needed something to differentiate it.
6.5 Grendel • The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice.
With them admitting it it has similar performance, I'll stick with my 6.5 Grendel
In researching it a little, seems a LOT like a 6.5 Grendel necked to 6mm.
In the hornady flier I saw, they list its benefits over different rounds already on the market.
Here's their comparison to my beloved Grendel. I'm not sure I agree with the "wider assortment of bullets" but I guess they needed something to differentiate it.
6.5 Grendel • The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice.
With them admitting it it has similar performance, I'll stick with my 6.5 Grendel
Seven Habits of Highly Effective Pirates, Rule #37: There is no “overkill”. There is only “open fire” and “I need to reload”.
Replies
- The 6mm ARC is a better long-range performer.
STICKING WITH MY 6.5 GRENDEL-Mikhail Kalashnikov
Son that's somebody with nothing to do with his time but keep me in trouble with mom.
Mike
N454casull
Given the AR design limitations, this will be a slightly neutered cartridge. 6.5 Grendel is the same. If I surpass SAAMI specs I can get a lot more performance out of 6.5G in my bolt gun than I would be able to in an AR. The 6.5G is 52K PSI SAAMI maximum average pressure. 10K PSI less than the Creedmoor and 1,000 PSI above the 6.5x55. 6mm ARC is also limited to 52K compared to the 6mm Remington at 65k and .243 at 60K. Given the reduced pressure and smaller case capacity, its amazing the little guys can even get to the velocities they do.
Mike
N454casull
"Slow is smooth, smooth is fast, and speed is the economy of motion" - Scott Jedlinski
"The Un-Tactical"
Hadn’t thought of that.
"The Un-Tactical"
"The Un-Tactical"
"The Un-Tactical"
Ill see your attempt and raise you results. 😉
Maybe. 😎
I can understand wanting to fit something “mo betta” into an AR platform. I can understand the micro bolt action... but in a single shot?
-Mikhail Kalashnikov
Suddenly its mediocre?
The most noteworthy thing to me over the last three decades in the shooting industry is that we're getting better bullet designs. I think the FBI's theories and protocols for effective bullet performance have spilled over from duty handguns and have started influencing construction of hunting rifle slugs.
The end result of this is that we're able to get terminal performance out of smaller rounds that we used to need bigger, heavier launch platforms to achieve. The "Hogzilla" kill Zee made a couple years back with the 62 grain Barnes TSX 5.56 ammo I sent him is case in point for this.
So we're constantly getting new cartridges that are supposed to do this or that, but I have to ask if the thinking behind those cartridges is based on the new theories of bullet construction or the old. If it's about a particular trajectory need, or local caliber restrictions, that's certainly understandable, but if all we're trying to do is fit an effective deer cartridge into a AR-15 magazine well, we have that with modern bullets in the original chambering that you can use for plinking with bulk-pack surplus.
"Nothing is safe from stupid." - Zee