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AR Build (distance)

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/06/2017 at 21:38
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Originally posted by Marine24 Marine24 wrote:

Timely thread.  I just purchased a 6.5 Grendel AR that hopefully will arrive early next week.  Really didn't need one but don't have an AR in this caliber and it was too good of a deal to pass up.

I'm curious to shoot this alongside my 6.5CM AR and future 224 Valkyrie (hopefully next month).

Anxious for your thoughts on the .224 Valkyrie… I've been considering one…
I have two Grendel's… one 14.5 inch, one 20 inch.  They both shoot "lights out"...
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/07/2017 at 08:17
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Hopefully should have the JP barrel in by late Jan/early Feb.  It has a +2 gas system on it, so it will require a 17" hand guard for those that don't like an exposed gas block.  I'm hearing Seekins, Larue, LWRC and Savage all plan on rolling something out but seems everyone is waiting on the production reamers to hit the street, as well as ammo.  Shot Show this year should be interesting with this caliber.

Appreciate the info in the Grendel.  Mine is an 18" barrel and looking forward to see how it performs at the 6-800 yard ranges.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/07/2017 at 10:42
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I've converted my 14.5 inch to piston (actually Bigdaddy did that for me, as I was travelling a lot) and really like the performance.  As for range, I've only shot out to 500 with this rifle, but it is excellent at that range.  Well under 1MOA.  
I am highly infatuated with the Grendel round.  Suppressed on my 14.5 inch, recoil is not noticeably different than 5.56, with heavier bullets/better performance downrange… I've been using the Alexander Arms 129 grain Hornady SST's and Lapua 123 grain Scenars.  I made the mistake of getting some "on sale" Wolf 100 grain stuff… doesn't perform well AT ALL.  My 20" gun does OK with it, but it is also very "dirty".  I won't ever put Wolf products through either of those guns again even though AA says it should be fine.  
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/07/2017 at 11:52
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Good to know.  I just bought a case of the Hornady Black 123gr ammo plus a single box of their 130gr Bergers.

The Wolf's price was attractive but never been a big fan of steel cased ammo and agree they can be very dirty.  Prvi Partizan has 100gr loads that are about 20 cents cheaper than the Hornady Black but haven't found them in stock.

I've used Prvi ammo in my AR and bolt rifles and they aren't bad for range fodder.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/07/2017 at 11:58
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Originally posted by Marine24 Marine24 wrote:

Good to know.  I just bought a case of the Hornady Black 123gr ammo plus a single box of their 130gr Bergers.

The Wolf's price was attractive but never been a big fan of steel cased ammo and agree they can be very dirty.  Prvi Partizan has 100gr loads that are about 20 cents cheaper than the Hornady Black but haven't found them in stock.

I've used Prvi ammo in my AR and bolt rifles and they aren't bad for range fodder.
I was going to get the Privi 100 grain, but none in stock when I was looking…  I forgot about it… wish I had waited.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/08/2017 at 20:52
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I have a ton of parts, waiting on some stuff.

Waiting on Group buy 18" Faxon barrel (and bolt).
Brownells shipped the NoGo gauge but the Go is still back-ordered.  As are the mags from Larue.
I also ordered an upper squaring tool and grit, it shipped from Brownells.

I defiled the Aadland caps, throw lever and Aadmount with spray paint, after a couple days I'll hit them with the clear coat.

I can assemble the lower any time now.  I got the Larue MBT the other day.  The lower is back from cerakoting.

I will need to buy a vise for the upper work.


Edited by HKtoTikka - December/08/2017 at 21:02
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/08/2017 at 21:05
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There is a new cheaper ammo solution than the Hornady ELD Black.  Its Hornady American Gunner, so far strictly for Sportsmans Warehouse.  They regularly have it 139/200.  They had it on sale a couple weeks ago for 109, but of course out of stock.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/08/2017 at 22:06
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Originally posted by HKtoTikka HKtoTikka wrote:

There is a new cheaper ammo solution than the Hornady ELD Black.  Its Hornady American Gunner, so far strictly for Sportsmans Warehouse.  They regularly have it 139/200.  They had it on sale a couple weeks ago for 109, but of course out of stock.
Have you compared the two at the range???
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/09/2017 at 08:59
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Originally posted by Kickboxer Kickboxer wrote:

Originally posted by HKtoTikka HKtoTikka wrote:

There is a new cheaper ammo solution than the Hornady ELD Black.  Its Hornady American Gunner, so far strictly for Sportsmans Warehouse.  They regularly have it 139/200.  They had it on sale a couple weeks ago for 109, but of course out of stock.
Have you compared the two at the range???

I have not, but all the info you could want is here:


Note that a Larue 18" is shooting as fast as a BHW 22" barrel!


Edited by HKtoTikka - December/09/2017 at 09:12
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/09/2017 at 09:08
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Be careful with the squaring tool. Take off much and it can change headspacing. And it can open up the channel where the extension goes. You want that as tight as possible
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/09/2017 at 09:18
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Originally posted by supertool73 supertool73 wrote:

Be careful with the squaring tool. Take off much and it can change headspacing. And it can open up the channel where the extension goes. You want that as tight as possible

Yeah, I might have been overreacting to reading about squaring.  
I also expect an aerospace engineering company not to mess up on something like that.  

Then there are their mounts though...

I also have a no-name upper I cant remember where I got it from which I will use for a pistol build.

Here is a great time killer on lapping uppers:

Are there supposed to be any manufacturers marks on an upper?


Edited by HKtoTikka - December/09/2017 at 09:28
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