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Mil-Spec M4 carbine length buffer tube sping for AR15 rifles. Works with both mil-spec and commercial diameter tubes.


Additional items you made need for your installation can be found in the accessories section on this page.

    M4 Mil-Spec carbine buffer spring

    VAT Included
      • Compatibility: M4 carbine length buffer tube*
      • Weight: Circa   grams

      *Not for use with AR10 / AR308 rifles

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