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PRODUCT #55CA6C7-Retail

Receiver Extension Kit, Carbine, AR15



AR Parts Notice - State/local restrictions may apply in CT, DC, IL, MA, NJ, NY, or WA. Customers must review our Shipping Policy prior to ordering.

Receiver Extension Kit, Carbine, AR15

CMMG 6-Position adjustable Mil-Spec Receiver Extension (Buffer Tube) kit includes everything needed to complete your AR’s buffer system. Just add the mil-spec diameter carbine stock or brace of your choice. Made from aluminum with a matte black hard coat anodized finish.


  • Carbine Buffer Tube
  • Receiver End Plate
  • Castle Nut
  • Action Spring
  • Buffer

Technical Specifications

Buffer Type Carbine
Receiver Extension CMMG 6 Position Extension


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