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#7126448 - 03/28/18 07:39 PM Grendel Build List - so far
StraitShot Offline
Bird Dog

Registered: 09/12/10
Posts: 371
Loc: Republic of Texas
So I have started another build - this will be my first Grendel. This is what I have decided to use so far.... obviously putting a lot into the barrel... primarily going for distance and accuracy + a hog or two... . popcorn

Rock River Upper / Lower
Hogue Grip – Dark earth
AT3 ProLok Free Float Handguard – Dark Earth
Timney AR-15 Comp Straight Trigger (3lb)
Superlative Arms AR-15 Adjustable Gas Block .750”
Precision Firearms 6.5 Grendel Bartlein Barrel 720, 1:8, 6 flutes front and back, Target Crown, Cerakote Black rifle
Percision Firearms NiB Carrier & Bolt
Rifle Length Gas Tube - Brownells

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#7126681 - 03/28/18 10:13 PM Re: Grendel Build List - so far [Re: StraitShot]
JESmith Online   content


Registered: 03/03/09
Posts: 548
Loc: Allen, TX
Luth-AR MBA 1 stock or Magpul PRS

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#7126742 - 03/29/18 03:57 AM Re: Grendel Build List - so far [Re: StraitShot]
Toxarch Offline
Pro Tracker

Registered: 03/09/11
Posts: 1929
Loc: Parker County
Sounds pricey. That's how mine usually end up. If you aren't familiar with the stocks, the PRS is pretty heavy and the Luth-AR is fairly light weight. I have both.
_________________________
It is far more important to be able to hit the target than it is to haggle over who makes a weapon or who pulls a trigger.

— Dwight D. Eisenhower

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#7126813 - 03/29/18 07:13 AM Re: Grendel Build List - so far [Re: StraitShot]
Crews Offline
Tracker

Registered: 07/03/10
Posts: 903
Loc: Houston, Tx
I had Precision Firearms build me a complete Grendel rifle. There was an abnormally long wait time for my rifle, 3+ months if I remember correctly. Don't get me wrong, it was a nice rifle and worth the money. And the barrel was accurate. BUT... I wouldn't say it's worth waiting 3-4 months for. You are doing the right thing putting all your money in the barrel. I'd suggest just buying a Lilja right off the shelf. I believe they come with a head spaced bolt.

Also, it is a bit of extra money, but adding a JP LMOS BCG and a H2 Silent Captured Spring assembly is absolutely magical when paired with an adjustable gas block.

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#7127569 - 03/29/18 09:07 PM Re: Grendel Build List - so far [Re: Crews]
StraitShot Offline
Bird Dog

Registered: 09/12/10
Posts: 371
Loc: Republic of Texas
Yep, this is going to be a bit pricey but as I have gotten into the build its become more fun. I will have to wait a good long while for the barrel and not having purchased anything from Precision Firearms before had me somewhat concerned at first. Didn't know anyone else who had dealt with them. I am going to check out the stocks mentioned and have started looking as scopes too. Everything I've had to this point has been Leupold but I this one probably won't be......

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#7130834 - 04/02/18 08:37 PM Re: Grendel Build List - so far [Re: Crews]
StraitShot Offline
Bird Dog

Registered: 09/12/10
Posts: 371
Loc: Republic of Texas
OK - now I am looking at buffers and there seems to be a lot of conflicting information out there..... Some indicate that a standard AR15 (.223) buffer is sufficient while others recommend H2 (not to mention all the spring options). I am reloading and suspect that if this turns out like other load work-ups I will end up between the middle to the top end of the powder charge recommendations. I plan on using a 123gr bullet. What does the voice of experience say ??

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#7130867 - 04/02/18 09:17 PM Re: Grendel Build List - so far [Re: StraitShot]
Korean Redneck Online   content


Registered: 06/24/09
Posts: 2582
Loc: Houston
With my home build and all 150ish rounds of "expedience," I just used a standard buffer kit. Mines bcm but seems like any milspec will work. That said, I got an Odin works barrel and bcg set that came with a tunable gas block. I barely did any adjusting down from max and everything functions well so far. Apparently I can turn the gas down further and make it shoot softer but I like the reliability so far.

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#7130955 - 04/03/18 02:04 AM Re: Grendel Build List - so far [Re: StraitShot]
Toxarch Offline
Pro Tracker

Registered: 03/09/11
Posts: 1929
Loc: Parker County
You have an adjustable gas block. You can pick the standard spring and buffer and adjust the gas according to the load.
_________________________
It is far more important to be able to hit the target than it is to haggle over who makes a weapon or who pulls a trigger.

— Dwight D. Eisenhower

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#7131170 - 04/03/18 09:08 AM Re: Grendel Build List - so far [Re: StraitShot]
Crews Offline
Tracker

Registered: 07/03/10
Posts: 903
Loc: Houston, Tx
Originally Posted By: StraitShot
OK - now I am looking at buffers and there seems to be a lot of conflicting information out there..... Some indicate that a standard AR15 (.223) buffer is sufficient while others recommend H2 (not to mention all the spring options). I am reloading and suspect that if this turns out like other load work-ups I will end up between the middle to the top end of the powder charge recommendations. I plan on using a 123gr bullet. What does the voice of experience say ??


I used a JP Silent Captured Spring H2 weight, with rifle length gas system and an adjustable gas block. It was an exceptionally smooth and reliable setup.

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#7131786 - 04/03/18 07:31 PM Re: Grendel Build List - so far [Re: Crews]
StraitShot Offline
Bird Dog

Registered: 09/12/10
Posts: 371
Loc: Republic of Texas
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