0 Cart
Added to Cart
    You have items in your cart
    You have 1 item in your cart
    View Cart / Checkout Continue Shopping

    We Ship Fast!

    Order by 1PM CST for Same Day Shipping (Mon-Fri)

    A mil-spec lower parts kit with several key upgrades - perfect for your next AR build

    The kit contains quality, mil-spec parts to build out your lower receiver, including a X-tech Adjustable grip, an Ambidextrous selector, and an enhanced trigger guard that provides extra room in the trigger area.

    American Made Quality

    • All parts meet or exceed military specifications (Mil Spec)
    • Components are 100% Made in the USA
    • Quality packaging keeps components protected and organized
    • Backed by the AT3 Lifetime Warranty

      This Kit Includes:

      • Bolt catch
      • Bolt catch plunger
      • Bolt catch roll pin
      • Bolt catch spring
      • Buffer retainer
      • Buffer retainer spring
      • Disconnector
      • Disconnector spring
      • Hammer
      • Hammer pin
      • Hammer spring
      • Magazine catch
      • Magazine catch button
      • Magazine catch spring
      • Pistol grip lock washer
      • Pistol grip screw
      • Pivot pin
      • Pivot pin detent 
      • Pivot pin detent spring
      • Ambidextrous Selector
      • Selector detent
      • Selector detent spring
      • Takedown pin
      • Takedown pin detent
      • Takedown pin detent spring
      • Trigger
      • Enhanced trigger guard
      • Trigger guard roll pin
      • Trigger pin
      • Trigger spring
      • X-Tech Grip


      Have Questions About this Product?

      Ask Us Now

      Customer Reviews

      No reviews yet