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AR Question

Discussion in 'Rifle Country' started by miamivicedade, Feb 17, 2013.

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  1. miamivicedade

    miamivicedade Member

    Joined:
    Jan 1, 2009
    Messages:
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    Hi All -

    How do I know what size rail or handguard to put on my AR. Carbine, mid-length, etc.

    I got a Sig M400 SRP.

    Thank you in advance.
     
  2. GI_Jared

    GI_Jared Member

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    Dec 8, 2011
    Messages:
    279
    looks like it has a carbine length gas system. So if you are not changing out the gas block then you would need to purchase a carbine length rail system/free float tube.
     
  3. miamivicedade

    miamivicedade Member

    Joined:
    Jan 1, 2009
    Messages:
    229
    Thank you!
     
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