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  1. #1
    crackhead
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    Default Starting AR-15 Build.. Got questions.. .

    So I think I want to build an AR.. Looking to go .223 for long range paper, PD's, Coyotes, Antelope, and GA whitetails.. Mostly for the first 4 though.. Im pretty sure Im looking at a 20" barrel.. 1:8 twist right?? Im going to build it myself, all but maybe the upper.. I may buy the upper already assembled.. If I decide to buy it in pieces, any decent smith should be able to throw it together and headspace it right?? Im going to be buying a lower here real soon.. Is there anything I need to stay away form when dealing w/ lowers? Hows Anvil Arms? Should I get the lower already assembled?? If so whats the advantage?? Am I going in the wrong direction building a long range toy w/ an M4 style stock?? Ive shot the M-16 and dont really like the A2 style stock.. Sorry for all the quesitons.. Thanks..

    Brian

  2. #2
    Gong Shooter
    Join Date
    Dec 2007
    Location
    Thornton, CO
    Posts
    461

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    For precision work, a 20" barrel would be ideal. As far as twist rate, i think that depends on the ammo you'll be using. Someone who actually shoots precision rifles could probably better advise you than i could.

    No doubt a competent smith could assemble an upper for you. I wouldn't be surprised if a board member here could help you do the work yourself. I've never done an upper, so no clue there.

    Anvil Arms makes fine lowers, and they are among the cheapest i know of. I don't have the list, but there are only a few machine shops that crank out the lowers for pretty much all the companies. Outside of finish and the roll mark, they're all pretty similar. You might want to figure out what upper you want, and try and match the finish of the lower, as well as check user reports on how they mate (no wobble and such). Just remember if you buy a stripped lower, to buy the appropriate buffer tube (commercial vs. mil-spec). No advantage one way or the other except you get to pick your lower parts kit, and it's typically cheaper to assemble yourself.

    Most precision rigs i've seen use stocks like the Magpul UBR or some other stock that gives much more adjustability over a standard M4 stock. You'll probably want something with a better cheek weld.

  3. #3
    crackhead
    Guest

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    Looks like Anvil Arms is sold out.. Thats probably going to be SOP for everyone for a while at least huh?? Cool.. Thanks for the info..

  4. #4
    Gong Shooter
    Join Date
    Dec 2007
    Location
    Thornton, CO
    Posts
    461

    Default

    Quote Originally Posted by crackhead View Post
    Looks like Anvil Arms is sold out.. Thats probably going to be SOP for everyone for a while at least huh?? Cool.. Thanks for the info..
    Oh yeah, for a long while probably. If they're still taking back orders, i would get on that list. Same goes for any other place accepting back orders on lowers.

  5. #5
    Grand Master Know It All HunterCO's Avatar
    Join Date
    May 2005
    Location
    Columbus, MT
    Posts
    2,860

    Default

    You want a faster twist rate for heavier bullets so you need to decide what weight of bullet you wish to shoot. I also would not recommend hunting antelope with a .223 in CO as it is illegal.

    Give Alan Samuel a call he stocks a lot of stuff and could set you up with what ever it is you need. He is also very reasonable on his prices. He has his own forum on this site in the dealer section. You can also go to machineguntours.com.
    "The people never give up their liberties but under some delusion." (Edmund Burke 1784)

  6. #6
    crackhead
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    Default

    Hunter CO, Thanks for the info... I wasnt aware that a .223 was illegal to hunt w/ in CO.. Just looked up the regs.. Interesting... My Coworker is a neighbor of Alans, so I may have him introduce me and see what he thinks.. As far a bullet weights go.. Why is an AR barrel so finnicky with them.. We never cared what weight bullets we shot through our rifles growing up, lighter bullets for lighter game, etc.. What am I looking at shooting through a 1:8 twist??

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