for back up sights i love the troy DOA with tritium $250

for a rail i like the troy battle rail $149 you can find qaud rails alot cheaper tho

I think a 14 in barrel is the shortest you can get otherwise it will be a sbr and thats class 3 and you will have to wait 6 months for a tax stamp or you will have to make it a pistol.

and i would not recomend that uper cause it does not have a chrome lined barrel so it would be less accurate and it would have less longevity. also it does not have a bolt or carrior. and it has a fixed front sight i think its better to have a gas block sight when you run a optic so you can flip the front down. this is what i look for in a upper chrome lined barrel or stainless, forward assist, dust cover, nice bolt and carrior, some come with rails already to so thats a plus,and warranty

also you may want to look into an gas piston instead of gas inpingment if you do not want to clean it as much as ur service rifle

 

Chrome lined is not as accurate as non CL. But it is the most durable.

 

im sure there is not much difernce

 

Not for minute of man.

 

ok so i need a chrome line barrel

 

I've been told chrome lined barrels are only required if you are putting A LOT of lead down range. When I finally get around to building mine, I was planning on a standard barrel. Also they say the chrome lined barrels don't foul as quick as the non-lined barrels, so if you're going to go a long time in between cleaning (which I don't assume you would be), chrome would be better. As far as accuracy goes, the chrome ones aren't quite as accurate because it's near impossible to get a perfectly even chrome lining.

 

Double lined chrome, vs single lined, vs non lined vs stainless steel...everybody had different opinions some feel strongly about em and some don't...

To me my understanding is chrome if you are a high volume shooter...1K rounds a day or every couple days...don't need chrome if ya ain't going to put thousands of rounds down range...Chrome easier to clean than non chrome...look at who double chromes the barrels...the name of the company...they are all top tier companies...

Stainless steel accurate...my LaRue Stealth has a stainless barrel...some say at -40 stainless get's brittle....they don't shoot as accurate at lower temps...

Stainless shoots out sooner and needs replaced sooner...if you shoot for accuracy and want a min of eyeball at 500 yards....

But then you have the M4 cutout controversy....

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Okey dokey, max barrel 16" then....


Nice

Minimum legal is 14.5" with a 1.5" flash suppressor/brake of some kind permanently attached to the barrel...

What's all the rage is the Battle Comp Enterprises, LLC whatever ya go with this is reported to be the **** and then some..I don't have one but really want to get one...bad..and I hate brakes...

Don't go cheap....Centurian rail is soooooo nice, light and feels soo good in my hands...try en out they are not all created equil...the more expensive ones seem to be smaller, lighter and feel/fit the hands better...

Magpul MBUIS are great & cheap...Troy are really good but expensive...stay away from all things marked ARMS...cheap garbage...

Look down a few posts, you will see one from me about a Aimpoint Micro T1 on sale at Midway...this is the best of the best micro red dot, better than the other Aimpoints or the EoTech's..lots of people like the eotech's but they are 2nd tier compared to the T1...


Plan to spend a couple hours...they might not be the most nicest people all the time (depending on how busy) , but if you go in, tell em you are back from a deployment & want to build a M4 clone on your lower receiver they will work with you...most are mil/leo or related to such...they don't deal well with the know it all gunshop tool who comes in...spends hours looking and think he knows it all...talking ****

No idea what that is...or who makes it...it's sort of like the old Colt XM177's (GAU's) I was issued in the AF...the thing on the end is actually called a moderator...when you remove it and shoot the Colt's on full auto you would not believe the blast...the ATF has ruled the originals a "suppressor" if I remember right..I'd skipo em and go iwht a 14.5 barrel & the 1.5 perm affixed...

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Go to http://noveskerifleworks.com/cgi-bin...y2.cgi?cat=106

Compare uppers between stainless and chrome lined...

They also offer a mil/leo discount...

Look at the uppers from https://centurionarms.com/ he is a active duty SEAL...might take a while to build em...but they are ubber accurate & he has deployed with his MK12Mod 0 upper...in a war zone he get's barrels nobody else can for the 18" same as the barrels the SEAL shooters use...

If you get a upper from either of these guys...they are none better...I've got a friend with a Centurion upper...woza...

My next AR is a 14.5 M4 clone...and I want the BC on it...Noveske will do em, you just need to call, not sure about Centurion...

 

here man try this as a complete upper they are suposed to be great
Palmetto State Armory Standard 16" 5.56 NATO M4 Upper

 

ooooooo i like that.. nice price and setup

 

Add the Daniel Defense Omega 7 Rail add $200 & ya have a sweet package...