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Thoughts on this AR-15 Barrel, to buy or not to buy?

Discussion in 'Rifle Country' started by dust_101, Jul 10, 2007.

?

Should I buy this barrel for my build?

  1. Yes! Colt! Good Price!

    11 vote(s)
    47.8%
  2. No! You'll find better & cheaper!

    12 vote(s)
    52.2%
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  1. dust_101

    dust_101 Member

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    Well folks I am now starting down the long dark road of building up my very first AR series rifle.

    I usually check local places first for parts, and came across this:

    Numrich Arms Barrels

    I called over and they are out of stock on most of these, but the one I need for NY State is the first on the list "MT6530 16" 5.56 NATO Match Target Lightweight Sporter - 1/7 Twist - Post Ban Non-Threaded - Non-Chrome Lined" and it is in stock.

    Think that is a good deal on the barrel? I'd be paying tax but no shipping.
     
  2. cheygriz

    cheygriz Member

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    I wouldn't even look at one that wasn't chrome lined with a MilSpec 5.56X45 Chamber.
     
  3. romma

    romma Member

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    Ditto that cheygriz
     
  4. SnakeEater

    SnakeEater Member

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    Good advice, but stainless barrels with Wylde chambers are a wee bit better IMO.
     
  5. glockman19

    glockman19 Member

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    +2
     
  6. scubie02

    scubie02 Member

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    I'd probably go for chrome lined on a 16" barrel I suppose, but it's probably not that big of a deal.

    On the other hand, I have a complete upper you could get a deal on...=)
     
  7. blackhawk2000

    blackhawk2000 member

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    Good for what? Target shooting?

    As they say go chrome, or go home.
     
  8. RockyMtnTactical

    RockyMtnTactical Member

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    Agreed.
     
  9. SnakeEater

    SnakeEater Member

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    Yes, target shooting. Personally speaking targets are the only things I shoot at. Yes CL will last longer, but barrels are easily replaced. After the SS barrel has about 10000rds through it accuracy will fall off to roughly what a new CL barrel shoots. Wanna hear another catchy phrase?

    Only accurate rifles are interesting. Col. Townsend Whelen:evil:
     
  10. dust_101

    dust_101 Member

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    scubie02 - that is one nice upper you have on the ads, but for my build I'm going for a more military-style lighter rifle for use on 3-gun and not just varmint/target. good price on yours though... tempting....

    As for the CL ones with a MilSpec 5.56X45 Chamber... can someone link up one on here so I can see what type of price these go for, and if there are any that are not threaded?
     
  11. mc223

    mc223 Member

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  12. Bartholomew Roberts

    Bartholomew Roberts Moderator Emeritus

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    Well, considering that a non-chrome lined Colt barrel did 10,000 rounds in a single weekend, I think you would be OK with non-chrome lined if the price was right. IIRC, throat erosion started to affect accuracy around 9,800 though.

    I have both a 4150, chrome-lined 5.56 1/7 barrel (CMMG) and a stainless steel Wylde-chamber 1/8 barrel. Right now I prefer the stainless; but we'll have to see how it does longevity wise. My last chrome lined barrel (16" 1/9 Bushmaster HBAR) started having long range accuracy issues around 9k rounds, so I am not all that sure that chrome-lining provides superior longevity.
     
  13. browningguy

    browningguy Member

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    I think it's a decent enough barrel for the price, chrome lined doesn't matter to me at all. I don't shoot corrosive ammo, rarely drag my rifles through the mud, and keep them reasonably clean. The only thing you can do with a chrome lined, mil-spec .223 chamber is impress the girls:), won't do a thing for accuracy.

    Actually I'd probably go out of my way to buy a non-chromed barrel with the Wylde chamber as someone else mentioned.
     
  14. blackhawk2000

    blackhawk2000 member

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    LOL


    Well based on the light barrel profile, I figured he wasn't going for a target rifle.;)
     
  15. SnakeEater

    SnakeEater Member

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    When Bart Roberts speaks it's usually wise to listen.
     
  16. scubie02

    scubie02 Member

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    i wouldn't be concerned with rust or something as far as chrome lined vs non cl--i've never had any of my regular ol barrels rust, with basic maintenance that shouldn't be a huge issue for me. The chrome lined ones in theory heat up a bit slower though, I thought, and take the heat a bit better, which could be an issue with rapid fire.

    As far as varminter vs military style--you say that now, but just getting one AR is like just getting one 1911...;P
     
  17. blackhawk2000

    blackhawk2000 member

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    The main benefit to chrome lining IMO is that it helps with case extraction. Dirty hot AR's need all the help they can get with extraction. Bench resters, and target shooters, don't really have those issues. Neither does the casual user.
     
  18. trueblue1776

    trueblue1776 Member

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    I am a pretty normal guy, I shoot, at the most, 1000 rounds through my AR-15 annually and I'm not a competition shooter. I have never been hot dropped into Liberia and I could care less about chrome lining. Buy what you want if you can afford it.
     
  19. Bartholomew Roberts

    Bartholomew Roberts Moderator Emeritus

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    I think there is some value to that. I know that my stainless barrels sometimes seem "stickier" and cases will be dirtier when ejected. On the other hand I've dumped three mags back to back on full-auto and not had a problem as well as doing some classes where we got the rifles good and hot and the stainless Wylde barrels have run fine as long as the ammo was good.
     
  20. DnPRK

    DnPRK Member

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    16" gas systems can be a pain to get running right. I'd recommend a CMT enhanced bolt carrier that delays unlocking for 16" over-gassed systems, a free float tube of some sort (for accuracy), and a clamp-on gas block (to make installation of the FFT easy).

    Building your own firearm gives great satisfaction. I've done many over the years and wouldn't dream of purchasing another preassembled AR.
     
  21. RockyMtnTactical

    RockyMtnTactical Member

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    There is no reason not to chrome line your chrome moly barrel if your number one concern is reliability. Some manufacturers charge $30 or so for chrome lining. Other manufacturers chrome line their barrels standard.

    The 5.56/.223Rem cases are not tapered all that much so the case makes contact with the chamber for much of the feeding and extracting. That is why it is so imperative that your chamber stays clear of corrosion, rust, and pitting. This was a lesson that was quickly learned by the military when it rushed the M-16 into service in Vietnam.

    William Davis, Former Chief, Small Arms Branch recalled that, “The principle problem was a failure to chrome plate the chamber. That was the cause of the serious malfunctions that caused the controversy in Vietnam.”

    Chrome will also make the chamber more “slick” than steel, which will enhance feeding and extracting.

    Chrome lining increases the life of your barrel. It will ease cleaning and maintenance as well.

    The one downside to chrome is an ever so slight decrease in accuracy. This difference in accuracy is practically unnoticeable and will not be missed in a defensive weapon.
     
  22. Don't Tread On Me

    Don't Tread On Me Member

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    EDIT:

    Oops...I just realized that you are from New York (I suggested the 1/9 that has the threaded muzzle and chrome lining)


    Sorry.
     
  23. dust_101

    dust_101 Member

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    DnPRK - so if I gather what you're saying, there are more issues with a 16" barrel and getting the gas system to function correctly with the bolt carrier?

    As for the CL vs Non-CL and the reasons behind each, for my uses this rifle will be going to the range once a month, it won't be shooting surplus ammo, and as I'm in NY there will be only semi-auto fire, probably with the 10 round mags unless I can find some pre-ban made larger capacity ones.

    Myself I'm leaning more towards the barrel at Numrich Arms, I called and they are out of any CL ones that are not threaded... and in NY threaded is not good :(
     
  24. mljdeckard

    mljdeckard Member

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    I always say chrome lined, BUT, IF you don't, make sure you aren't mismatching ammo. (.223 in a 5.56 chamber, for example.) I think this is where most of the problems in extraction come from.
     
  25. trueblue1776

    trueblue1776 Member

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    Isn't it the other way around?

    Also, My 16" bushmaster upper has no problems, the "16in barrel is not as good" is irrelevant. You get more pressure from the longer gas tube, but if the shorter one works than who cares?
     
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