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Posted: 4/17/2020 12:57:37 PM EST
[#1]
deleted
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Posted: 4/19/2020 11:43:51 AM EST
[#2]
The polar opposite of the "thumper" school, but seems to offer long range ballistics + short range lethality(maybe) + low recoil all in 1... |
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Posted: 5/2/2020 8:18:18 AM EST
[#3]
Magazines.
ASC and Elander are hit or miss. Maybe the uni-mag is key, |
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Posted: 5/13/2020 7:50:13 PM EST
[#4]
Quote:
You can chamber a .308 in a .270 Winchester though, and fire it! Recoil will be impressive if the rifle holds together. The case will come out with no neck, just a hole at the end of the shoulder. I saw an older man shoot a 308 out of a 30-06 bolt action. Nothing happened except the 308 brass was now a straight wall case. The man looked around to see who was looking and said with a straight face, "I meant to do that." He was a Phd. math professor at a local college and was not about to admit he made a mistake. Ego was way too big for that to happen! |
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Posted: 5/13/2020 8:02:03 PM EST
[#5]
Watched a guy try to zero his 300 wby with a box of 300 win mag once.
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Posted: 5/13/2020 9:10:49 PM EST
[#6]
My newer ASC mags have been working fine, I've heard good things about C-Products/Duramag, but haven't gotten around to trying any.
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Posted: 5/27/2020 7:33:36 PM EST
[#7]
Saw this on the hide, fingers crossed it's the 6mm ARC announcement:
 New Product from Hornady - Coming June 3rd! |
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Posted: 5/28/2020 10:38:32 AM EST
[#8]
What else do they have to announce? It SHOULD be the 6mmARC.
Steve Hornady, in his voice-over, says, "It's better than what's out there." OK, 6mmARC is very cool and will be better than most AR-compatible cartridges. But then he says, "It truly is an innovation." OK, uh ... yeah. New cartridges are cool, but I don't know if Hornady would call them an "innovation." Unless they're REALLY hyped up about it? So that makes me doubt it's the 6mmARC announcement. |
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Posted: 5/28/2020 10:43:57 AM EST
[#9]
Pretty sure it's a teaser for the 6mm ARC announcement, a poster on The Hide noticed that the camera is gliding over parts of the letters A R C during the naration.
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Posted: 5/28/2020 10:58:57 AM EST
[#10]
Quote HistoryQuoted: Pretty sure it's a teaser for the 6mm ARC announcement, a poster on The Hide noticed that the camera is gliding over parts of the letters A R C during the naration. You're right. I'm wrong. Very good point. The 3D letters A-R-C panning by in the background nail it. I guess a new cartridge can "TRULY be an INNOVATION." Anyway, very cool. I've been gearing up to make barrels for this since — I think it was you, GTS — first posted the SAAMI specs.  |
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Posted: 5/28/2020 4:14:48 PM EST
[#11]
While I agree that the Hornady teaser is a bit over the top, I am excited that the ARC is going to be a commercial option.
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Posted: 5/28/2020 4:37:00 PM EST
[#12]
Quote HistoryQuoted: You're right. I'm wrong. Very good point. The 3D letters A-R-C panning by in the background nail it. I guess a new cartridge can "TRULY be an INNOVATION." Anyway, very cool. I've been gearing up to make barrels for this since — I think it was you, GTS — first posted the SAAMI specs. What are the commercially available 6mm cartridges that fit in an AR-15 that will shoot heavy for caliber, high BC bullets at the same or better speeds? Doesn't exist. There's your innovation. People like to dog marketing but for better or worse the more they market, the more it sells, the cheaper and more common it becomes, the more YOU get to shoot, the more options YOU have. |
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Posted: 5/28/2020 8:07:03 PM EST
[#13]
I suppose the "innovation" is the cartridge-to-chamber relationship that Hornady has pioneered with their 6.5 Creedmoor, 6.5 PRC, and .300 PRC. Now they're doing the same with this 6mmARC in an AR15. It's designed for accuracy and I think it's a great design.
Gonna obsolete any cartridge 6mm and below in the AR, just like 6.5 Grendel obsoleted anything 6.5mm and above in the AR. The concept of short, fat cases with long, sleek bullets has definitely obsoleted the concept of skinny cases with stubby bullets. It's a great, new era for the AR15. How's THAT for marketing?
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Posted: 5/28/2020 8:17:59 PM EST
[#14]
I'm still amazed Alexander never did a 6mm Gendel. Guys have been wildcatting it for so long.
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Posted: 5/28/2020 8:27:33 PM EST
[#15]
I really hope this takes off as I feel the 6mm is better suited for a AR sized cartridge, and I have a 6mmBR rem700 that I would love to rechamber for something less handload-y
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Posted: 5/29/2020 5:32:22 AM EST
[#16]
If all it takes is a barrel swap in existing grendel rifles, I'd pick one up and give it a go.
I've wanted to build a 6mm AR or a Turbo 40, but commercially available ammo and dies is hard to pass up for the minor loss in performance |
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Posted: 5/30/2020 1:24:09 AM EST
[#17]
Need good mags.
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Posted: 5/30/2020 7:04:28 AM EST
[#18]
Quote HistoryQuoted: Need good mags. https://www.ar15.com/forums/AR-15/New-6mm-AR-cartridge-6mm-ARC/121-749606/?page=1#i8057150 |
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Posted: 6/3/2020 7:18:17 AM EST
[#19]
new ads & vids up: https://www.hornady.com/6mmARC#!/
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Posted: 6/3/2020 9:38:05 AM EST
[#20]
Interesting to see Wilson Combat on the vendor list. I guess this really doesn't compete with the 300 hamr.
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Posted: 6/3/2020 10:53:51 AM EST
[#21]
 The 6mm ARC - Advanced Rifle Cartridge |
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Posted: 6/3/2020 11:35:26 AM EST
[#22]
Quote HistoryQuoted: Always wondered why they didn’t just do a 6mm Grendel. Because Grendel mags suck!!! |
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Posted: 6/3/2020 11:56:15 AM EST
[#23]
Quoted: Because Grendel mags suck!!! Really there’s no solid reliable ones? Isn’t that what this is going to be using? |
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Posted: 6/3/2020 12:04:47 PM EST
[#24]
It is a 6mm Grendel derivative with the shoulder pushed back 30 thou, takes Grendel mags and bolts. Lots of manufacturers on board, Proof and Brownells already have barrels up and it looks like Howa is on board (hopefully for some minis).
My ASC Grendel mags work just fine. Midsouth has a good feature page: https://www.midsouthshooterssupply.com/articles/hornady_6arc.aspx |
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Posted: 6/3/2020 12:22:46 PM EST
[#25]
Really interested in seeing the performance in a shorter package. I think it will thrive in a 18" SPR, but if it will push a 103gr ELD-X faster than my my 12.5" 6.5 grendel will push a 123gr SST that's going to be hard to argue with.
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Posted: 6/3/2020 1:52:03 PM EST
[#26]
https://news.barrett.net/2020/06/03/barrett-announces-shipment-of-6mm-arc-rifles-to-us-dod/
108gr ELD @ 2,630+ fps from 18" barrels sounds pretty good. I'm guessing the 24rd mags must be E-Landers? From the published factory ammo specs, the 103gr ELDX should run about 50fps faster. If you could get 2,750-2,800 fps out of an 18" barrel with 90gr Accubonds, it would really make a nice mild mannered deer popper. |
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Posted: 6/3/2020 2:07:14 PM EST
[#27]
I was just going to put in an order for a 6 Grendel but I think this got me!!!! I am all in I think it looks awesome and the fact that manufacturers are already on board and that Ammo is being made all in
A short barrel would be sweet too |
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Posted: 6/3/2020 2:10:40 PM EST
[#28]
Quote HistoryQuoted: Really there’s no solid reliable ones? Isn’t that what this is going to be using? I read that it uses standard AR-15 magazines? Grendel mags are hit or miss. I've got AR's in 6.8 SPC, 5.56, 300BLK, 6.5 Creedmoor, and 6.5 Grendel. NEVER in my 8 years of shooting ARs have I had mag issues until Grendel. E-Landers were supposed to be good, my first one sucked. Trying some Dura-Mags that show to be a little more reliable. |
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Posted: 6/3/2020 2:41:18 PM EST
[#29]
Quote HistoryQuoted: I read that it uses standard AR-15 magazines? Grendel mags are hit or miss. I've got AR's in 6.8 SPC, 5.56, 300BLK, 6.5 Creedmoor, and 6.5 Grendel. NEVER in my 8 years of shooting ARs have I had mag issues until Grendel. E-Landers were supposed to be good, my first one sucked. Trying some Dura-Mags that show to be a little more reliable. Where? It's based on the Grendel and is shipping to the DOD with some 24rd mag that looks a lot like an E-Lander (at least from Barrett's press release photo). 99.9% certain the ARC feeds from Grendel mags. |
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Posted: 6/3/2020 7:24:47 PM EST
[#30]
Quote HistoryQuoted: Where? It's based on the Grendel and is shipping to the DOD with some 24rd mag that looks a lot like an E-Lander (at least from Barrett's press release photo). 99.9% certain the ARC feeds from Grendel mags. The 9/10rd and 15rd ACS have been 100% for me. The Elander has the wrong curve in the 24rd. Look at how the CProducts is shaped more like a x39 AK mag. My buddy hasn't had any issues with the 26rd CProducts grendel mags. They're all he uses now. |
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Posted: 6/3/2020 8:54:58 PM EST
[#31]
Quote HistoryQuoted: The Elander has the wrong curve in the 24rd. Do we know with certainty that the 6mmARC has the same body taper as the Grendel? ETA: Looked up the drawings, looks to be a very small amount (0.0003) more taper. |
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Posted: 6/3/2020 9:03:07 PM EST
[#32]
Quote HistoryQuoted: Do we know with certainty that the 6mmARC has the same body taper as the Grendel? The body taper of the ARC is slightly more than the Grendel because the shoulder diameter is the same, but the shoulder was moved back 30 thou. The drawings for both are on the SAAMI website. |
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Posted: 6/4/2020 2:54:47 AM EST
[#33]
Best case scenario would be a 'LWRCI Six6.'
Their existing Six8 rifle, but with a new Magpul mag designed for using 6mm ARC and/or 6.5 Grendel. 
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Posted: 6/4/2020 5:24:22 AM EST
[#34]
Hopefully this will encourage Amend2 to get off their ass and make the grendel mags already. I would think the will probably work with the ARC as well.
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Posted: 6/4/2020 8:43:37 AM EST
[#35]
Quote HistoryQuoted: Always wondered why they didn’t just do a 6mm Grendel. There were a few wildcats. Non with SAAMI specs though. |
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Posted: 6/4/2020 8:56:49 AM EST
[#36]
Considering that weight was one of the high priority design criteria, it's disappointing there isn't an aluminum or polymer magazine. I had hoped this would come along based on the 6.8 case head but can see they wanted the maximum performance.
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Posted: 6/4/2020 9:09:15 AM EST
[#37]
Quote HistoryQuoted: There were a few wildcats. Non with SAAMI specs though. Quote HistoryQuoted: Quoted: Always wondered why they didn’t just do a 6mm Grendel. There were a few wildcats. Non with SAAMI specs though. Right. That’s my point. |
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Posted: 6/4/2020 9:36:13 AM EST
[#38]
Quote HistoryQuoted: Right. That’s my point. Quote HistoryQuoted: Quoted: Quoted: Always wondered why they didn’t just do a 6mm Grendel. There were a few wildcats. Non with SAAMI specs though. Right. That’s my point. Probably the normal progression for many wildcats. One party starts it and another party with more money standardizes it. |
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Posted: 6/4/2020 10:33:11 AM EST
[#39]
Quote HistoryQuoted: Considering that weight was one of the high priority design criteria, it's disappointing there isn't an aluminum or polymer magazine. I had hoped this would come along based on the 6.8 case head but can see they wanted the maximum performance. Aluminum 6.8 and Grendel mags would swell too much due to how much pressure the round stack puts on the mag walls. That's the principal reason why both cartridges only have stainless steel mags for standard AR magwells. |
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Posted: 6/4/2020 11:06:27 AM EST
[#40]
Quote HistoryQuoted: Probably the normal progression for many wildcats. One party starts it and another party with more money standardizes it. Quote HistoryQuoted: Quoted: Quoted: Quoted: Always wondered why they didn’t just do a 6mm Grendel. There were a few wildcats. Non with SAAMI specs though. Right. That’s my point. Probably the normal progression for many wildcats. One party starts it and another party with more money standardizes it. I am surprised that Alexander and Hornady didn’t do a 6mm Grendel years ago. That basic round was popular before the Grendel so I always figured they’d just progress to 6mm eventually but they never did. |
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Posted: 6/4/2020 2:33:30 PM EST
[#41]
Quote HistoryQuoted: Really there’s no solid reliable ones? Isn’t that what this is going to be using? FWIW, back in 1991 I had an Olympic Arms Multi-Match 16" 6mm PPC. It ran perfectly from those 30rd 7.62x39 FrankenMags that have a 30rd AK magazine body welded to an AR-15 feed tower. I would use them to fire form 7.62x39 cases into 6mm PPC, full auto on my M16 lower. I would then run the formed 6PPC cases in the same mags and they ran perfectly. Tony  |
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Posted: 6/4/2020 3:07:16 PM EST
[#42]
I actually remember guys on here talking about those mags being some of the few that were reliable for the 7.62 based rounds.
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Posted: 6/4/2020 3:31:29 PM EST
[#43]
Quote HistoryQuoted: I actually remember guys on here talking about those mags being some of the few that were reliable for the 7.62 based rounds. Mags are why I build a KS-47 in 6.5 Grendel. The CSSpecs 30 rounders feed steel cased like butter, as fast as I can pull the trigger. The lack of LRBHO is a nuisance but not a major one. I'm looking forward to trying the Evocatus Strategic 30rd 6.5G AK mags as well. |
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Posted: 6/4/2020 4:21:17 PM EST
[#44]
Quote HistoryQuoted: Mags are why I build a KS-47 in 6.5 Grendel. The CSSpecs 30 rounders feed steel cased like butter, as fast as I can pull the trigger. The lack of LRBHO is a nuisance but not a major one. I'm looking forward to trying the Evocatus Strategic 30rd 6.5G AK mags as well. Quote HistoryQuoted: Quoted: I actually remember guys on here talking about those mags being some of the few that were reliable for the 7.62 based rounds. Mags are why I build a KS-47 in 6.5 Grendel. The CSSpecs 30 rounders feed steel cased like butter, as fast as I can pull the trigger. The lack of LRBHO is a nuisance but not a major one. I'm looking forward to trying the Evocatus Strategic 30rd 6.5G AK mags as well. I actually have one of those lowers. I bought whichever cheap mags psa had at the time and it still sits. I’ll have to check out those mags you mentioned as the ones I got apparently might not be great |
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Posted: 6/4/2020 5:20:50 PM EST
[#45]
San Tan Tactical here in AZ has a complete rifle with proof barrel:
https://www.santantactical.com/stt15-6arc-lite |
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Posted: 6/4/2020 9:19:05 PM EST
[#46]
Quote HistoryQuoted: Where? It's based on the Grendel and is shipping to the DOD with some 24rd mag that looks a lot like an E-Lander (at least from Barrett's press release photo). 99.9% certain the ARC feeds from Grendel mags. Here Is it conclusive? No. But it leads me to believe it accepts 5.56 AR-15 mags. If it’s going DoD, there is a huge chance it’s going to take existing inventory mags. And how does the capacity have anything to do with Grendel mags? What if you can get (24) 6mm ARC rounds in a mil-spec M4 mag? I’m not saying 100% though...I’d just be incredibly surprised if they adopt a round that utilizes mediocre magazines. |
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Posted: 6/4/2020 9:22:33 PM EST
[#47]
Quoted: Here Is it conclusive? No. But it leads me to believe it accepts 5.56 AR-15 mags. If it’s going DoD, there is a huge chance it’s going to take existing inventory mags. And how does the capacity have anything to do with Grendel mags? What if you can get (24) 6mm ARC rounds in a mil-spec M4 mag? I’m not saying 100% though...I’d just be incredibly surprised if they adopt a round that utilizes mediocre magazines. I don't know how you come to that conclusion after reading that. Grendel in a 223 mag can have as little as half the capacity. Guys used to mod 20rd mags and would get like 10 rounds of Grendel in them. |
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Posted: 6/4/2020 9:46:06 PM EST
[#48]
Quote HistoryQuoted: I don't know how you come to that conclusion after reading that. Quote HistoryQuoted: Quoted: Here Is it conclusive? No. But it leads me to believe it accepts 5.56 AR-15 mags. If it’s going DoD, there is a huge chance it’s going to take existing inventory mags. And how does the capacity have anything to do with Grendel mags? What if you can get (24) 6mm ARC rounds in a mil-spec M4 mag? I’m not saying 100% though...I’d just be incredibly surprised if they adopt a round that utilizes mediocre magazines. I don't know how you come to that conclusion after reading that. You would look at the picture that says "2: fits in AR15 length magazine " and interpret that to mean "uses normal AR15 magazines" and then not read the entire paragraph that says "Needs Grendel mags, is bummer" |
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Posted: 6/4/2020 10:48:22 PM EST
[#49]
Quote HistoryQuoted: Here Is it conclusive? No. But it leads me to believe it accepts 5.56 AR-15 mags. If it’s going DoD, there is a huge chance it’s going to take existing inventory mags. And how does the capacity have anything to do with Grendel mags? What if you can get (24) 6mm ARC rounds in a mil-spec M4 mag? I’m not saying 100% though...I’d just be incredibly surprised if they adopt a round that utilizes mediocre magazines. The ARC is definitely meant to feed from Grendel mags, lots of discussion over on the Hide, with some folks who have been shooting it for a while commenting too. In your link they said they used Alexander Arms marked 6.5 Grendel mags with the ARC. The capacity didn't tell me that it used Grendel mags, I already knew that, the capacity gave me a good guess as to which brand of Grendel mags the Barrett contract rifles were shipping with because only one brand that I can find sells 24 rd Grendel mags. I believe the mags were confirmed as E-Lander, at least by someone posting over there. Personally I've had good function from the newer 10 and 15 rd ASC mags and it seems like a lot of other folks have as well, so that's probably what I'll try first when I get an ARC put together. |
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Posted: 6/4/2020 11:02:34 PM EST
[#50]
Quote HistoryQuoted: You would look at the picture that says "2: fits in AR15 length magazine " and interpret that to mean "uses normal AR15 magazines" and then not read the entire paragraph that says "Needs Grendel mags, is bummer" Quote HistoryQuoted: Quoted: Quoted: Here Is it conclusive? No. But it leads me to believe it accepts 5.56 AR-15 mags. If it’s going DoD, there is a huge chance it’s going to take existing inventory mags. And how does the capacity have anything to do with Grendel mags? What if you can get (24) 6mm ARC rounds in a mil-spec M4 mag? I’m not saying 100% though...I’d just be incredibly surprised if they adopt a round that utilizes mediocre magazines. I don't know how you come to that conclusion after reading that. You would look at the picture that says "2: fits in AR15 length magazine " and interpret that to mean "uses normal AR15 magazines" and then not read the entire paragraph that says "Needs Grendel mags, is bummer" Yeah I didn’t even get that far down. Magazines As you saw above in our review, the achilles heel for the 6 ARC is the magazine. First, a special magazine is needed. Second, that special magazine still isn’t quite “right.” Third, the capacity is lower for 6 ARC as compared to 223 Rem in the same outside-dimensions for a magazine.  Attached File |
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