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Arms 40B front gas block Buis for Ar15 $100 shipped

Discussion in 'Part & Accessory Classifieds' started by JD42, Jan 12, 2012.

  1. JD42

    JD42 Scotts Mills Active Member

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    Hi I have a new Arms 40B folding front sight gas block for Ar15s. This is a clamp on (.750) std. Ar barrels, Fits(M4, HBAR, A2 Etc.) The front sight folds when not in use. Great for optics. Shipped $100 money order, personal check or Paypal +fee. I can also do a FTF in the Salem area.
    Last edited: Jan 13, 2012
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