223 308 Buffer Tube Detent Plunger & Retainer Spring


This is a universal Buffer Retainer and Retainer Spring kit. It’s compatible with AR-15 and AR-10 buffer tubes in both rifle and carbine lengths. The plunger has a phosphate finish and both pieces are made of steel.


  • Mil-Spec
  • Steel construction
  • Retainer – Phosphate finish
  • High tensile spring – stainless steel
  • Fits: AR-15, AR-10

Additional information

Weight 2 oz


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