Our MILSPEC+ SA-9 Lower Parts Kit includes an enhanced MILSPEC Fire Control Group, a Black Nitride ambi safety selector, and Black Nitride Anti-Walk Pins.

Kit Contents:

    Enhanced MILSPEC Fire Controls - Trigger/Hammer/Disconnect
    Anti-Walk Trigger/Hammer Pins - Black Nitride
    Bolt catch
    Bolt catch detent
    Ambi safety selector 
    Selector detent
    Black Nitride takedown pin, detent
    Black Nitride pivot pin, detent
    Buffer retainer pin - Black Nitride
    Trigger spring
    Hammer spring
    Disconnector spring
    Selector spring
    Takedown pin spring
    Pivot pin spring