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ar upper and lower help

Discussion in 'Guns & Hunting' started by ethanfoy, Jun 10, 2012.

  1. Jun 10, 2012 at 8:57 PM
    #1
    ethanfoy

    ethanfoy [OP] Well-Known Member

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    What's good ar-15 upper and lower receiver I'm wanting it in .308. I've seen a lot of ar's yall have built I think its time for me to build one
     
  2. Jun 11, 2012 at 7:48 AM
    #2
    wileyC

    wileyC Well-Known Member

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    ...i like CMMG, ..i believe they have a .308 set...

    might also look at doublestar (made right there in KY), ...not sure if they offer a .308...
     
  3. Jun 11, 2012 at 7:56 AM
    #3
    RevAdam

    RevAdam Impressive Member

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    Icom 5100 2M70CM, Baja Rack, Kenwood 6980, ARB Bull Bar, Lightforce HID lights, Warn winch, LED lights, 5100s, Switchbacks.
    If you have the buck, buy an SR-25 or LMT otherwise, DPMS.

    Whatever you do, stay to the DMPS/M110 standard.
     
  4. Jun 13, 2012 at 4:41 PM
    #4
    ethanfoy

    ethanfoy [OP] Well-Known Member

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    why on some of these websites it doesn't specify whether its .223/5.56NATO or .308/7.62NATO.
     
  5. Jun 13, 2012 at 4:47 PM
    #5
    ross123

    ross123 Well-Known Member

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    fort bragg
    What ever you buy, get a Piston operated upper. I like LMT
     
  6. Jun 13, 2012 at 8:08 PM
    #6
    RevAdam

    RevAdam Impressive Member

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    Pistons create more problems than they will ever solve.
     
  7. Jun 14, 2012 at 10:43 AM
    #7
    ethanfoy

    ethanfoy [OP] Well-Known Member

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    If I get the upper and lower ordered will it come with the "hardware" to put it together with
     
  8. Jun 14, 2012 at 11:20 AM
    #8
    RevAdam

    RevAdam Impressive Member

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    The push pins are part of the lower.
     
  9. Jun 14, 2012 at 11:24 AM
    #9
    JDMcQ

    JDMcQ Well-Known Member

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    Everyone has their favorites. I like Spikes.

    It has been said many times that a lower receiver can mostly be chosen by which manufacturers logo you like the best, there are only a few machine shops that make them for all of the brands.
     
  10. Jun 14, 2012 at 2:41 PM
    #10
    ross123

    ross123 Well-Known Member

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    not sure what kinda problems your talking about. ive put more round and beat the shit out of a .308 piston upper in AFG with zero issues. i used the shit out of that rifle. i hope i never have to go back to a gas upper again.
     
  11. Jun 15, 2012 at 6:09 AM
    #11
    RevAdam

    RevAdam Impressive Member

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  12. Jun 15, 2012 at 8:50 AM
    #12
    wileyC

    wileyC Well-Known Member

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    basically, you have the following options:

    1) buy complete rifle - then done.

    2) buy complete upper assembly, assemble the lower yourself

    3) buy complete upper assembly, buy complete lower assembly

    4) assemble upper yourself (requires gunsmith skills), assemble lower yourself

    5) assemble upper yourself (requires gunsmith skills), buy complete lower



    buying a complete upper assembly is a smart way to go - it removes you from having to mate barrels, gas blocks, etc. and assembly is critical because mating barrel to receiver must be done "right"...

    assembly the lower yourself isn't difficult, ...you need to obtain the lower receiver (stripped - i.e. absent internals), which is the serial numbered part of the firearm, ...buy a lower parts kit (pins, trigger assy, selector switch, etc), and buy a stock kit (stock, buffer tube, etc.) - then get some good directions for assembly w/out damaging the lower receiver (recommend going to AR15.com)..
     
  13. Jun 15, 2012 at 8:52 AM
    #13
    JDMcQ

    JDMcQ Well-Known Member

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    Good advice. I chose option #2. I assembled the lower at my kitchen table, not difficult at all. I just followed a set of instructions from AR15.com.
     
  14. Jun 15, 2012 at 8:59 AM
    #14
    wileyC

    wileyC Well-Known Member

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    yep, i assembled one on my computer desk :D one nifty trick is to use vise grips and advance the screw adjustment "slowly" to insert some of the roll pins in the lower - where using a hammer and punch could easily mar the finish or even break off the thinner profile areas where the trigger guard goes ;) come to think of it though, i did cheat because i didn't stake the castle nut on the buffer tube, ...used the blue locktite... might go back and do it right sometime :D
     
  15. Jun 15, 2012 at 9:01 AM
    #15
    JDMcQ

    JDMcQ Well-Known Member

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    Thanks for the reminder. I need to fix my buffer tube castle as well. I used the vise grip trick and brass screws as punches. For some reason, I could not find a set of brass punches around here.
     
  16. Jun 15, 2012 at 9:12 AM
    #16
    krimson

    krimson Nothin

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    Rock River makes good .308 uppers, and AR10s.
     
  17. Jun 15, 2012 at 10:26 AM
    #17
    wileyC

    wileyC Well-Known Member

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    brownells.com :D
     
  18. Jun 15, 2012 at 10:34 AM
    #18
    JDMcQ

    JDMcQ Well-Known Member

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    I was also feeling especially cheap that day. :eek:
     
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