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11/23/2016 9:48:13 AM EDT
New first build and this is the part I need help on.

This is what I would like to have:
16" mid length
fixed A2 FSB pinned
standard barrel, maybe lightweight.
nitride preferred, chrome lined ok
CHF if possible
1:8 or 1:7 twist

Do I need to be concerned with the height of a rear flip up sight?
Do I need to be concerned with feed ramps?

Trying to keep this as a budget build but the barrel looks to be the most expensive but the one I don't want to upgrade later on.  Looks like I'm at $300+  Other options welcome as long as it has a FSB and mid gas.

I have an Aero upper and lower, and LPK.  Eyeing the PSA premium BCG, and their enhanced FCG.  My goal was to pick decent budget parts and upgrade a few parts down the road.  Upgraded parts would be spares and I can see what the upgrade actually does.  Present AR is a DD v7.0 and would assume parts to be interchangeable.

Side rant...why are ambi safeties so expensive...   son is a lefty and wanted to make this at least half way lefty.

Thanks.
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New questions:  12-1-16
What are my options for a hand guard install?   don't want the round plastic style.  I am thinking I need a two piece to attach after barrel install.  I understand I will have to grind off the guard retainer ring.

I think I may have an issue with barrel length with the flash hider not pinned or welded.

I think I may be going about this the wrong way.  My intentions were to actually build it not buy completed upper and lower and install two pins.

Thank you all for the rec's and Nathan for the ref.  Looks promising if I can work out my other issues.

Will all A2 FSB accept a bayonet?
11/23/2016 10:31:41 AM EDT
[#1]
Check with Ballistic Advantage or Faxon and you should be able to find what you need.
11/25/2016 7:22:26 PM EDT
[#2]
Just edited the twist to be 1:7 or 1:8 vs. 1:9.  Too many specs running through my head.

Also, picked up a cmmg ambi safety for $26 at local gun shop.    No barrels tho

Does Faxon or BA add pinned sights upon request?  Don't see it as an option.
11/25/2016 8:26:08 PM EDT
[#3]
I know BA says they will, Get a hold of Tony at BA, he should be able to let you know what services they are offering at this time.
11/25/2016 8:45:27 PM EDT
[#4]
Ballistic Advantage and Faxon are both good.

I would also suggest AR15performance barrels.  I have a couple of their barrels and they have been very accurate.
11/27/2016 11:20:36 AM EDT
[#5]
Quote History
Quoted:
Ballistic Advantage and Faxon are both good.

I would also suggest AR15performance barrels.  I have a couple of their barrels and they have been very accurate.
View Quote
 Another barrel maker I really like is Green Mountain.  They are chrome lined but deliver outstanding accuracy.  Cost runs about $175 each depending on model.  IMO, 1in8 twist is best for shooting bullets in the 52 to 55 grain range. - CW
11/27/2016 12:17:53 PM EDT
[#6]
Quoted:
New first build and this is the part I need help on.

This is what I would like to have:
16" mid length
fixed A2 FSB pinned
standard barrel, maybe lightweight.
nitride preferred, chrome lined ok
CHF if possible
1:8 or 1:7 twist

Do I need to be concerned with the height of a rear flip up sight?
Do I need to be concerned with feed ramps?

Trying to keep this as a budget build but the barrel looks to be the most expensive but the one I don't want to upgrade later on.  Looks like I'm at $300+  Other options welcome as long as it has a FSB and mid gas.

I have an Aero upper and lower, and LPK.  Eyeing the PSA premium BCG, and their enhanced FCG.  My goal was to pick decent budget parts and upgrade a few parts down the road.  Upgraded parts would be spares and I can see what the upgrade actually does.  Present AR is a DD v7.0 and would assume parts to be interchangeable.

Side rant...why are ambi safeties so expensive...   son is a lefty and wanted to make this at least half way lefty.

Thanks.

View Quote


Aim Surplus has the barrel you are looking for from us in-stock.

Let us know if we can help further!
11/27/2016 10:50:10 PM EDT
[#7]
Here's a lightweight/pencil profile with your required specs for $179.99.

http://palmettostatearmory.com/psa-16-5-56-nato-mid-length-nitride-slim-pencil-profile-barrel-assembly.html

And here's another.

http://palmettostatearmory.com/psa-16-chf-mid-length-a2-5-56-nato-1-7-barrel-assembly.html
11/28/2016 1:38:22 AM EDT
[#8]
I just picked up the Faxon Gunner profile 16" 5.56 barrel on sale at Brownell's for $147.99. Can't go wrong there.
12/1/2016 11:23:07 AM EDT
[#9]
Thanks all.  Added new questions to OP.
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