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    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

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