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Discussion Starter · #1 · (Edited)
Got a few AR lower receivers that I am playing around with at the moment. I wanted to look into building one using a Gas Piston upper. Are there any companys out there that make assembled Gas Piston uppers in 5.56 that are quality built set ups. Not really a brand name whore, but don't want any slapped together cheapies either.

Im looking to build a 5.56 gun with a 16 inch medium-med/heavy barrel with fold down front sight and flat top that will take a scope or fold down rear sight. Gonna keep this one pretty clean and not hang 10 lbs of tacticool crap on it.

If you got any leads on places making this sort of set up do leave me a link to chase down if you could be so kind.
 

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There are tons of companies that make high quality complete direct impingement uppers. You really just have to pick which one you'd like. Any flat top receivered upper with a picattiny block will let you mount BUIS and an optic on the receiver rail. Or any upper with a railed forearm long enough to mount BUIS to up front with room for spare.

https://www.rainierarms.com/?page=shop/browse&category=ar15completeuppers

AR-15, 16" Recce Upper Groups (Mid Length)

AR-15, M16 16" Mid Length Upper Group
 

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Discussion Starter · #6 ·
Ooops, I was a dummy having a senior moment, yeah your right Inceptor, I ment to type Gas Piston!!! See what happens when your trying to quit smoking and your e-cig battery craps out right after you wake up and your jonsing for a fix?

Dang I cant access the title to fix it!!! What a duffus...
 

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Ooops, I was a dummy having a senior moment, yeah your right Inceptor, I ment to type Gas Piston!!! See what happens when your trying to quit smoking and your e-cig battery craps out right after you wake up and your jonsing for a fix?

Dang I cant access the title to fix it!!! What a duffus...
Ah hell, now we're talking, cause I won't own DI anymore with how good piston AR's have gotten. :D

Rainier sells Adams which I having been using gas piston AR's for about a decade now and feel are one of the best systems out there in my opinion and they make high quality melonite treated uppers for reasonable prices and use myself.

For what you're looking for a med to heavy barrel upper with room for optics and folding BUIS they've got options for you. Rainier has the 16 inch stainless, fluted barreled, competition upper on sale right now which is designed around precision shooting and perfect for optics.

https://www.rainierarms.com/?page=shop/detail&product_id=2477

You're still going to get a very accurate upper with one of the non-fluted government profile barrels though and longer lasting since it's melonite treated. Per say you wanted more of a fighting upper.

https://www.rainierarms.com/?page=shop/detail&product_id=2145

I personally like the EVO models and plan on using one for another AR with there thinned down forearm without the side and full length lower rails on the it that have never been useful to me and make the grip less comfortable. I've only ever needed to mount BUIS on the top, sling swivels on the side front rails and room for a bipod down on the bottom front should I want it. The EVO are designed around that.

https://www.rainierarms.com/?page=shop/detail&product_id=2971

Here's Adams mother site,

Adams Arms

and here is another dealer RifleGear that my neighbor dealt with and was good and has good deals,

AR Complete Upper Assemblies[ManufacturerID=59*Sort=3*ava=0]
 

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PSA has the carbine base piston for $639
The EVO mid length is OOS at the moment.

The mid length base upper is $649

EVO carbine upper is $899

Dam,I have a complete lower just waiting on an upper,maybe it's time for a change......
 

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The piston uppers only seem to be a couple hun more than the DI uppers.
When the gas piston market years back was basically controlled by LWRC and POF there weren't as many people willing to go the gas piston direction because of how expensive both the manufacturer made it get a complete rifle or upper. I had POF uppers and they were ok, but the Adams are much better to me and I prefer there design. LWRC's is very similar, but LWRC is still quite pricey and I have no favor towards them for what they did years back. Their products are high quality products with lots of frills, but they simply doing the same thing in the end. Putting bullets down range into targets and enemies. In design aspect they still haven't changed and why I never bought one back then is they still have their system stuck to using their railed forearms that you have to remove the top part to get to the system while everyone else has gone with removable from the front blocks systems. With Adams you have a system designed to work with quite a few choices of handguard/forearms. I don't really need or want a railed handguard on a fighting carbine having had them and found this out over the years so my current one is set up with Magpul furniture and I'm very happy with it as a AR carbine.

https://www.lwrci.com/c-110-upper-receivers.aspx

 

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Discussion Starter · #12 ·
Ah hell, now we're talking, cause I won't own DI anymore with how good piston AR's have gotten. :D

Rainier sells Adams which I having been using gas piston AR's for about a decade now and feel are one of the best systems out there in my opinion and they make high quality melonite treated uppers for reasonable prices and use myself.

For what you're looking for a med to heavy barrel upper with room for optics and folding BUIS they've got options for you. Rainier has the 16 inch stainless, fluted barreled, competition upper on sale right now which is designed around precision shooting and perfect for optics.

https://www.rainierarms.com/?page=shop/detail&product_id=2477

You're still going to get a very accurate upper with one of the non-fluted government profile barrels though and longer lasting since it's melonite treated. Per say you wanted more of a fighting upper.

https://www.rainierarms.com/?page=shop/detail&product_id=2145

I personally like the EVO models and plan on using one for another AR with there thinned down forearm without the side and full length lower rails on the it that have never been useful to me and make the grip less comfortable. I've only ever needed to mount BUIS on the top, sling swivels on the side front rails and room for a bipod down on the bottom front should I want it. The EVO are designed around that.

https://www.rainierarms.com/?page=shop/detail&product_id=2971

Here's Adams mother site,

Adams Arms

and here is another dealer RifleGear that my neighbor dealt with and was good and has good deals,

AR Complete Upper Assemblies[ManufacturerID=59*Sort=3*ava=0]
Thanks for the hot leads. Didn't see any that really got me too excited although they did have one that looked close to what I wanted. Just really didn't care for the barrel with the grenade launcher cut out on it. Man, sometimes I am worse than a woman shopping for shoes or a dress, lol! Other than that it looked pretty promising. I really like the Magpul MOE grip on it though. I definitely think I will be using a lot of Magpul furniture. Guess I will look around a little while. Its not like I aint got all winter to shop...
 
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