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)

    The CMMG Gun builders kit includes most of the necessary parts to build up your lower group while excluding the commonly upgraded parts.

    Does not include Trigger Guard, Fire Control Group, and pistol grip.

    This kit offers an economical way to get all the small pieces needed for an AR-15 lower, without wasting money on the parts you won't use. CMMG parts are all quality mil-spec components that  are backed by a lifetime warranty.

    Kit Includes:

    • Bolt Catch
    • Bolt Catch Plunger
    • Bolt Catch Roll Pin
    • Bolt Catch Spring
    • Buffer Retainer
    • Buffer Retainer Spring
    • Hammer Pin
    • Magazine Catch
    • Magazine Catch Button
    • Magazine Catch Spring
    • Pivot Pin
    • Pivot Pin Detent
    • Pivot Pin Detent Spring
    • Selector
    • Selector Detent
    • Selector Detent Spring
    • Takedown Pin
    • Takedown Pin Detent
    • Takedown Pin Detent Spring
    • Trigger Pin

    Does NOT Include:

    • Pistol Grip
    • Pistol Grip Screw and Washer
    • Trigger or Hammer
    • Trigger and Hammer Springs
    • Disconnect
    • Disconnect Spring
    • Trigger Guard or Roll Pin

    Have Questions About this Product?

    Ask Us Now

    Customer Reviews

    Based on 1 review

    Everything worked out great

    Brain, We are happy to hear everything worked out for you.