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Mar 25th, 2012
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Grendel Build List - so far #7126448
03/29/18 12:39 AM
03/29/18 12:39 AM
Joined: Sep 2010
Posts: 371
Republic of Texas
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StraitShot Offline OP
Bird Dog
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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

Re: Grendel Build List - so far [Re: StraitShot] #7126681
03/29/18 03:13 AM
03/29/18 03:13 AM
Joined: Mar 2009
Posts: 563
Allen, TX
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Allen, TX
Luth-AR MBA 1 stock or Magpul PRS

Re: Grendel Build List - so far [Re: StraitShot] #7126742
03/29/18 08:57 AM
03/29/18 08:57 AM
Joined: Mar 2011
Posts: 1,970
Parker County
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Toxarch Offline
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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
Re: Grendel Build List - so far [Re: StraitShot] #7126813
03/29/18 12:13 PM
03/29/18 12:13 PM
Joined: Jul 2010
Posts: 952
Houston, Tx
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Crews Online content
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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.

Re: Grendel Build List - so far [Re: Crews] #7127569
03/30/18 02:07 AM
03/30/18 02:07 AM
Joined: Sep 2010
Posts: 371
Republic of Texas
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StraitShot Offline OP
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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......

Re: Grendel Build List - so far [Re: Crews] #7130834
04/03/18 01:37 AM
04/03/18 01:37 AM
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Posts: 371
Republic of Texas
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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 ??

Re: Grendel Build List - so far [Re: StraitShot] #7130867
04/03/18 02:17 AM
04/03/18 02:17 AM
Joined: Jun 2009
Posts: 2,656
Houston
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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.

Re: Grendel Build List - so far [Re: StraitShot] #7130955
04/03/18 07:04 AM
04/03/18 07:04 AM
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Parker County
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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
Re: Grendel Build List - so far [Re: StraitShot] #7131170
04/03/18 02:08 PM
04/03/18 02:08 PM
Joined: Jul 2010
Posts: 952
Houston, Tx
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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.

Re: Grendel Build List - so far [Re: Crews] #7131786
04/04/18 12:31 AM
04/04/18 12:31 AM
Joined: Sep 2010
Posts: 371
Republic of Texas
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