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Building an AR-15

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2018 at 13:21
koshkin View Drop Down
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Dark Lord of Optics

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I am sort of an AR addict and someone asked me (multiple someones actually), given what I know now, how I would go around building a fairly basic AR-15 if I were to start from scratch.

I politely sent one of the nice gentlemen who asked me in the general direction of the SWFA website since they have a good assortment of different AR-15s.

Naturally, the next question was "which one of these do you have?", to which I had honestly say "None", since I built all of mine out of pieces and, being very particular about things, wouldn't be caught dead with a factory AR, this side of Q's Honey Badger.

If that sounds a little hypocritical... well, it is.

And that brought me to the very first sentence of this post: how would I go around building a basic AR, given what I know now.

That resulted in this blog post.  Note, that I have not talked about AR optics there.  That's coming.

I recently built just such an AR, that I am planning to give to my nephew on his 18th birthday.  

For myself, I just sold off most of my ARs, but I kept three (a 6.5 Grendel, a 5.56 and a 458SOCOM).  The 5.56 SOCOM is eerily similar to the build I outline in that post, except it has an utlra-light Brigand handguard and a slightly thicker barrel, which keeps overall weight and balance consistent.

ILya





Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2018 at 14:02
BeltFed View Drop Down
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I've been thinking I was done building ARs, but lately I've been thinking I might need a dedicated 3 gun AR. Something lite weight with an 18" barrel, the ability to add and subtract things like lights, lasers, bipods, grips, etc., and still have a clean forearm without the accessories. I don't really want another AR, but the one I'm using now is like packing a rail road rail compared to the rifles others are using; not to mention the picatinny pine that lives on the front.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2018 at 15:03
koshkin View Drop Down
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What weight are you targeting?

That is more or less how my 6.5Grendel is built: 18" barrel with a 15" handguard (Lancer carbon fiber in this case).


You'd be using a different optic, of course.  As configured, it weighs 10lbs. Without the optics, sling and bipod, right around 7.5lbs.

With the ACE UL stock, it was 7lbs.

You can shave it down further with a thinner barrel (like Faxon's 18" Gunner), lighter upper and lower receivers and lighter handguard.  The lightest handguard that stil gives you a few rails is probably Brigand's Atlas.

ILya
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2018 at 17:04
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All 3 that I have built have been Anderson lowers. 2 of the 3 have a PSA upper, both stainless, and one of them is my SBR with 11.5 in barrel. It has most additions to it and highest quality components. I put a Sig Romeo site on it, a BAD lever, ALG trigger, and magpul grip, stock and front grip. 

The other I put a scope on for my son's to take deer hunting, or for me to use for Yotes or whatever. 

The last one I built was an OMG Hillary might win Florida purchase. It is the most basic one, with a BCA .223 Wylde upper, and a UTG rear iron sight. I bet I don't have 500 bucks in it, and for some reason, I just really like it. 

My other one is a SW MP15 Magpul edition. 


Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/13/2018 at 23:11
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Originally posted by Urimaginaryfrnd Urimaginaryfrnd wrote:

The cheapest way into one is PSA but no matter how hard I try there are certain features I would still want like a Smith Vortex and a better trigger.  I very much like White Oak Armory's uppers they are superbly accurate but for half the price one can have a PSA that will still run a fairly good group. There is nothing that cant be changed and improved on an AR. The Law Tactical device that allows the buffer tube and rear stock to fold is a big plus but spendy and worth every penny.

 

how much is a PSA?

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/15/2018 at 08:16
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Thank you Sir
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/16/2018 at 10:56
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My Bear Creek upper is surprisingly accurate for just having iron sites, and a stock gritty mil spec trigger. 

I haven't played with my PSA upper with a scope on it enough to find something it really likes. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/09/2018 at 13:25
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Been waiting for pics to work to post this. 

I have probably built/rebuilt/changed/sold off 30 to 40 ARs over the years since I became an AR addict.  So I have tried a lot of different stuff and learned what I like.  This is I hope my final build.  I wanted a lightweight, but accurate, very sleek and functional AR and wanted it pretty too.  Wink

Aero upper and M4E1 lower, with the Atlas S 15" handguard. Sniper grey ceracoat
Faxon 18" gunner barrel
Raidan Weapons, bolt group and charging handle
Strike industries enhanced lower parts kit
Elf match trigger
VG6 Gamma muzzle device
MAgpul buttstock and grip
Swaro Z3 3-9x36 with 4a reticle.


With optic it is 7.1 lbs

Have not had time to even shoot it yet, but it turned out well and it should be a pretty good shooter. 






Edited by supertool73 - May/09/2018 at 13:30
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/09/2018 at 14:50
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What's the weight on your rifle ST? Also, what's the weight/profile of your barrel?

That's close to what I'm looking for.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/09/2018 at 14:54
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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/09/2018 at 15:06
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That's pretty light.
Thanks
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/09/2018 at 15:27
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Faxon barrels are sweet.  I have 3 of them now and really like them.  Granted I have not shot the 18 yet, but the others are accurate and swing/point really well. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/09/2018 at 15:41
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+1  on that faxon gunner barrel.

I have the 18" gunner in 6.5 grendel, mega arms upper.  It shoots 1/2" groups @100 all day with a 1.5-5 MK4


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