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First Time Build
#1
I'm about to under go my first build. I know y'all get these post all the time but I do have more specific questions.

I have all but decided on going with the Precision Firearms Neptune III upper. Large part due to it's 1 in 8" twist and it's free float barrel. (Please correct me if any of my information is incorrect) I'm stuck between the 24" and the 20" barrel.
I should add that I have future plans of building an interchangeable 6.5 grendel 16" upper, or purchasing the Barret Rec 7 16" 6.8 SPC.

Secondly a stripped lower. I plan to buy a spike tactical stripped lower. I want there billet lower, however, I hesitated to buy it sooner and it's now it has been removed from their site and their not sure when it'll be back in stock. Would it be worth the wait, is there a similar lower anyone would suggest, or should I just go with one of their forged lower.

I'm not looking to spend a fortune on this build, but I'm of the mind set if you're going to do it DO IT RIGHT. I plan to have this weapon for a long time to come, and I don't plan to baby it. that being said I'll pay more for a superior product.
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#2
Your intended use for the upper would be helpful. If its mostly range/target, and you plan on a 16" barrel later, then I would go 24". If you plan on mostly hunting, then I would limit my choice to a 20".

Most hunters seem to prefer the 16-18" barreled uppers, while most target guys like longer barrels to milk as much velocity as they can out of the Grendel.

Precision Firearms builds great stuff, by all accounts, and my interactions with them have been stellar.
”You seek escape from pain. We seek the achievement of happiness. You exist for the sake of avoiding punishment. We exist for the sake of earning rewards. Threats will not make us function; fear is not our incentive. It is not death that we wish to avoid, but life that we wish to live.” - John Galt
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#3
Precision Firearms has a billet lower in which I would pick over the Spikes tactical. I've sold Spikes billets and like what I see with the Precision Firearms lowers.
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#4
I agree with Bill, and welcome aboard!
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#5
Welcome. Good luck with your build.
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#6
Like the others have previously stated for a range gun that your just going to set up on a bipod or a bag and shoot 24 inches. But if you plan to carry the gun definately opt for the 20 inch or less.
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#7
welcome, and good luck with your build.
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#8
I do plan to do a little hunting with it, but more range/target.

I'll check out the precision lowers.

Thanks for the help everybody!
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#9
So I didn't see any stripped lowers on precision firearm's site Grimmy. Any other suggestions for a good stripped lower?
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#10
I use LARUE lowers and love the fit and finish, they are always in stock.
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#11
If you want billet get a MEGA lower or ar15.com billet lower
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#12
So I just placed an order with Mark from Precision Firearms and I should have everything I need for my build in approx. a month. I'm not gonna lie I'm a pretty excited to get it.

Parts ordered thus far:

Precision Firearms 6.5 Grendel Neptune V Lilja 24"
Black Upper, ODG Hand Guard
Engraved Ejection Port Cover EGA/'Semper Fidelis'

Precision Firearms Billet Lower Receiver
Engraved Trigger Guard- 'Molon Labe'

Geissele - Super Semi-Automatic Enhanced (SSA-E) Trigger

Magpul Prs Precision Gen 2 Stock - ODG
MIAD® Grip Kit – AR15/M16 ODG

Harris Bipod LM-S 9"-13"
Harris Bipod Adaptor

ASAP® - Ambidextrous Sling Attachment Point
Magpul Industries Ms3 Multi Mis Slng Sys Blk

I'm thinking I'm going to go with a Viper PST 6-24x50 FFP Riflescope. I haven't made that decision yet, but unless I come across a great deal on a better one.
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#13
cory Wrote:So I just placed an order with Mark from Precision Firearms and I should have everything I need for my build in approx. a month. I'm not gonna lie I'm a pretty excited to get it.

Parts ordered thus far:

Precision Firearms 6.5 Grendel Neptune V Lilja 24"
Black Upper, ODG Hand Guard
Engraved Ejection Port Cover EGA/'Semper Fidelis'

Precision Firearms Billet Lower Receiver
Engraved Trigger Guard- 'Molon Labe'

Geissele - Super Semi-Automatic Enhanced (SSA-E) Trigger

Magpul Prs Precision Gen 2 Stock - ODG
MIAD® Grip Kit – AR15/M16 ODG

Harris Bipod LM-S 9"-13"
Harris Bipod Adaptor

ASAP® - Ambidextrous Sling Attachment Point
Magpul Industries Ms3 Multi Mis Slng Sys Blk

I'm thinking I'm going to go with a Viper PST 6-24x50 FFP Riflescope. I haven't made that decision yet, but unless I come across a great deal on a better one.
Sounds like a very nice build. Post pics when you get it together!
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