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Help regarding handguard/gas block combo

Discussion in 'GATE AR-15 Forum' started by ugly8604, Oct 4, 2010.

  1. ugly8604

    ugly8604

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    Hello and thank you for reading,
    I recently purchased a Bushmaster A3 16" upper assembly, this is the exact model I purchased http://www.midwayusa.com/viewproduct/?productnumber=439349

    I would like to run either a magpul MOE handguard or a free floating quad rail. I attempted to install the magpul MOE handguard however it did not fit, there was a clearance issue at the gas block. Can you recommend a quad rail I can use with my current setup or a different gas block I could use with the MOE handguard?

    Thank you.
     
  2. Constructor

    Constructor

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    The MOE is made to work with an "F" sight base, standard military front sight.
    I am guessing the wide part of the GB was the problem?
    Any carbine length rail will work but, if it isn't a 2 piece add on you will have to remove the barrel nut to install the free float rail.
    Check Midwest ind. or YHM