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Tools for lower build

Discussion in 'Black Rifle Forum' started by Detectorist, Jan 11, 2012.

  1. Detectorist

    Detectorist

    14,099
    3,362
    Jul 16, 2008
    Missouri
    What kind of tools are needed for a PSA lower kit?

    Does PSA include instructions?
     
  2. Cole125

    Cole125 Silver Member

    7,584
    2
    Apr 5, 2008
    Far West, USA
    I built my lower with a small hammer, a 1/8th punch, and a roll of duct tape. It helps to have a full AR15 punch set, and a mag well vise block but I got'er done with what I had in like 30 minutes and it came out nicely.

    Don't sweat it just make sure to support the ears of the trigger guard while your pounding on it.
     


  3. freedom790

    freedom790

    542
    0
    Aug 10, 2008
    Cheyenne, WY
    ^^ This

    Plus I use masking tape around the magazine release on both sides to avoid scratching the lower while installing the magazine release, and also around the bolt release when taping in the roll pin to avoid any scratches as well.
     
  4. faawrenchbndr

    faawrenchbndr DirtyThirty fan CLM

    36,093
    456
    Nov 24, 2005
    Troy
  5. JaPes

    JaPes Rimfire 1010101

    1,852
    51
    Aug 21, 2010
    NW Burbs, IL
    I'm an AR newbie. I decided to build a lower. Tools & supplies I used:

    • Masking Tape
    • Electrical Tape
    • 5/32" Pin Punch
    • 1/8" Pin Punch
    • Vise Grip Pliers
    • Non Marring Hammer
    • Little Block of Wood
    • A $9 Castle Nut Wrench
    Just follow the instructions published on ar15.com.


    Things I learned while building a lower:

    1. Start the bolt catch pin from the magazine well side. It's easier to tap the roll pin to fully seat it from the magazine well side.
    2. Roll pin holders & roll pin punches would make things a ton easier. I now have a set.
    3. Brownells sells a Bolt Catch Pin Punch that has a flat side to make seating the bolt catch roll pin easier. I now have one.
     
  6. faawrenchbndr

    faawrenchbndr DirtyThirty fan CLM

    36,093
    456
    Nov 24, 2005
    Troy
    A common set of nail sets work very well for roll pins.
    A 1/4" clevis pin works EXTREMELY well for installing the pivot pin
    detent pin and spring!

    Both can be bought at Lowes, Home Depot, Ace Hardware,........
     
    Last edited: Jan 11, 2012
  7. 22rtf2

    22rtf2 Peaceful

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    Feb 24, 2009
    20 mins from Smyrna
    Yeah, I made one with a bolt I bought at Ace for .50. A lil dremmeling and it worked perfectly.
     
  8. faawrenchbndr

    faawrenchbndr DirtyThirty fan CLM

    36,093
    456
    Nov 24, 2005
    Troy

    I made one out of some polymer round stock I had, then I saw
    a post about the clevis pin. Those are .29c at the hardware store.
     
  9. IGotIt

    IGotIt No Demlibtards

    1,463
    4
    Aug 20, 2011
    On The Edge
    WARNING: Building lowers can be addictive. Have fun.
     
  10. nrabnf

    nrabnf NRA Benefactor

    74
    0
    Nov 5, 2011
    Chiloquin Oregon
    Brownells has a very good video step by step on building the lower & AR in general. It's so good my friend had his 8 year old build a lower by watching it...in any case it's
    very easy. Make sure the hammer spring isn't upside down.
     
  11. 22rtf2

    22rtf2 Peaceful

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    Feb 24, 2009
    20 mins from Smyrna
    I've watched those a few times. I find it funny that this is the video that ar15.com links to as an example of how to do a lower when he doesn't use the tools they recommend and mars the crap out of a couple of pins.

    Outdoor Hub mobile, the outdoor information engine
     
  12. txgunguy

    txgunguy

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    Dec 14, 2007
    DFW, Texas
    I used a small rubber hammer, vice grips, painters tape, electrical tape, a razor blade (to hold the front take down detent in place), and castle nut wrench.

    Just watch and read a couple how to videos. The right tools would have made it easier, but you can make it work. It wasn't even frustrating not having the right tools, if thats worth anything to you.

    ETA: No lpk come with instructions.
     
    Last edited: Jan 12, 2012
  13. 22rtf2

    22rtf2 Peaceful

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    20 mins from Smyrna
  14. Crazy KD

    Crazy KD

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    Apr 25, 2009
    Lowcountry of SC
    I bought one of these and used the same tools most everyone else has mentioned. The lower from PSA just came in some bubble wrap. No instructions.

    http://www.riflegear.com/p-806-riflegear-lower-receiver-builders-kit.aspx

    I found these videos pretty good. A little long winded.
    [ame="http://www.youtube.com/user/ssdsurf?feature=mhum#p/u/67/kLm9t28gfS8"]ssdsurf's Channel - YouTube[/ame]
     
  15. 22rtf2

    22rtf2 Peaceful

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    Feb 24, 2009
    20 mins from Smyrna
    That's good info kdw. Thanks for posting that link to the tools, that is cheaper than buying them separately.

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