The CMMG Gunbuilder Kit is a customizable lower parts kits for the AR-15 platform. This kit provides all the minor, mil-spec parts generally used in an AR-15 build, while still allowing the flexibilty to add common aftermarket upgrades, such as a pistol grip and match grade trigger components. Customizable lower parts kits offer 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!
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
NOTE: Shipping restrictions may apply, please see our Shipping and Refund Policy for details.
