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6mm ARC
hill37 Wrote:Surprised Ruger wasn't on the manufacturers list.

But Howa is!
Paul Peloquin

Did government credibility die of Covid or with Covid?
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Popeye212 Wrote:Looks like Proof Research has em for $950 and Brownells had one listed also. Not crazy about another set of Hornady dies thought. Haven't checked Redding. Hornady Die set #546251 but nobody has em apparently.

Looks like Proof also has SS barrels for $520 MSRP, 16" and 18". I'm still stuck between 18" and 20" for this chambering, I wonder why proof elected not to offer any longer barrels upfront?
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https://www.youtube.com/watch?v=z4fA3ji3fw4

https://www.youtube.com/watch?v=i0Dl0gwNxCY
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May be what the gov. order called for. San Tan tactical uses the 18" 0n their rifle. I wonder what the gov. contract mag is? San Tac shows a Pmag 30 rd in the pictures. Must be just for looks.
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I refuse to be victimized by notions of virtuous behavior.
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Gtscotty Wrote:Looks like Proof also has SS barrels for $520 MSRP, 16" and 18". I'm still stuck between 18" and 20" for this chambering, I wonder why proof elected not to offer any longer barrels upfront?

Doesn't make sense your knocking off a lot of the velocity gains and putting it back with the rest of pack. Looks like a blueprint for failure.
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Interesting - the Proof 16" barrel is an RLGS and the 18" is R+1.
Let's go Brandon!
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Popeye212 Wrote:Doesn't make sense your knocking off a lot of the velocity gains and putting it back with the rest of pack. Looks like a blueprint for failure.

Yea because we all know that 6.5 grendels suck in short barrels too lol.

Without testing by owners, there is no way at this time to know if it will flop in short barrels.

But then again nobody can keep short 6.5mm grendel barrels instock and we can proof they do much better then expected, so yea my first 6mm ARC is going to be a 12 inch.
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Just talked to a tech guy at Forster he said the 6ARC dies are on the radar. Asked for my name to count as a show of interest for the dies. Probably would help if the horde let it be known we would like to see them make the dies...
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Tell forster I'm gonna be in for this cal.
"Down the floor, out the door, Go Brandon Go!!!!!"
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It was interesting that the primary design impetus was for the military requirement side. Also that the 6.5 Grendel almost got there.
BFT any estimates on when a Monster ARC will be available and at what price?
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Looking at the BA's, be real careful jumping in folks - the 16 and 18 have an MLGS and I have timing issues with my 18" 243 LBC with 95s with an MLGS- which would only be worse with heavier bullets. From personal experience with Proof putting my 6.5 Creedmore together, they are very focussed on gas system function and would look at what they are doing.
Let's go Brandon!
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What about their 20" - and was ths issue you had b/c of a gas port too small?
"Down the floor, out the door, Go Brandon Go!!!!!"
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grayfox Wrote:What about their 20" - and was ths issue you had b/c of a gas port too small?

The small gas port was my 26" McGowen. Gas port on the 18" BHW is fine but if definately tries to unlock early and I have broken an extractor. The load I developed was fine and is very reasonable given 6mm PPC and 6 BR Rem data, but I started getting extractor marks. Shut off the gas and they went away, so the gas is hitting the bolt too early.

The BA 20" is an RLGS - but the Proof 18" is an R+1......
Let's go Brandon!
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StoneHendge Wrote:Looking at the BA's, be real careful jumping in folks - the 16 and 18 have an MLGS and I have timing issues with my 18" 243 LBC with 95s with an MLGS- which would only be worse with heavier bullets. From personal experience with Proof putting my 6.5 Creedmore together, they are very focussed on gas system function and would look at what they are doing.

Exactly what I was thinking...

Also I'm guessing this is why Proof started with 16" and 18" offerings:

https://news.barrett.net/2020/06/03/barr...to-us-dod/

Guns and ammo video said 2,700 fps out of their 20" barrel, Barrett says 2,630+ fps out of Proof 18" barrels.... All sounds pretty good to me.
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https://www.midsouthshooterssupply.com/a...ours+Today!
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Javman Wrote:https://www.midsouthshooterssupply.com/a...ours+Today!

6ARC components at mid south
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From Bill Wilson of Wilson Combat

Wilson Combat Wrote:We should be shipping them by the end of June, all of our R&D testing is done and we have the first production run in process. Prices will be the same as a comparable 6.5G or 6.8SPC bbl

Wilson Combat Wrote:We will be making the following, all threaded 5/8-24:

16" Ranger .675/.750/.650
18" Recon .800/.750/.740
20" Recon .800/.750/.740
20" Super Sniper .925/.875/.840
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The Hornady video says velocity and hence barrier performance is what put 6.5 Grendel "on the ragged edge" of the military requirement.
Let's go Brandon!
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StoneHendge Wrote:The Hornady video says velocity and hence barrier performance is what put 6.5 Grendel "on the ragged edge" of the military requirement.

I'm glad DoD can use that extra 5% or whatever to defeat barriers, etc.

As a civilian shooter who wants a good general purpose AR15-sized rifle, I'm just not there yet in terms of giving up all my 6.5G handloading gear and affordable ammo to gain that extra little margin of performance. I'm also not very interested in a 14lb match rifle with a 24" barrel and a big scope on top.

It does sound like the sweet spot for DoD is an 18" barrel, as Barrett seems to be contracted to supply the REC7 DI in that barrel length.
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