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Ar 15 Rra Car A4

Discussion in 'Rifle Country' started by DML2007, Feb 12, 2008.

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  1. DML2007

    DML2007 Member

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    Dec 29, 2007
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    Location:
    Indiana
    Hight Road,

    I have just bought a new RRA CAR A4. If I wanted to purchase a new full upper (say one with a 20inch), will that go with my lower? I understand this may be a basic question. Just curious if a gunshow rolls around, and I see an upper I like, will it be compatible with the RRA lower I have now.

    If not, why and what do I need to look out for?

    Thanks, Dave
     
  2. Zach S

    Zach S Member

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    Yes, but it will look goofy and possibly balance wierd if you have an M4 stock.

    Commercial Colt uppers use a larger diameter pivot pin. Not so on the surplus and (I think) LE uppers though.
     
  3. MarshallDodge

    MarshallDodge Member

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    Rock Rivers have some pretty tight tolerances so some fitting may be required. If I were you I would take the lower to the gun show to try it.
     
  4. ckay

    ckay Member

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    Jan 8, 2008
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    It'll work. RRAs are notoriously tight. I prefer a tight fit but others do not and mistake it for an "inferior" product. I also don't like swapping lowers around.
     
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