This non factory replacement lid will fit Thumler's MP-1, Model T, AR-1 and AR-2 barrels.

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Product Review

This non factory replacement lid will fit Thumler's MP-1, Model T, AR-1 and AR-2 barrels.

  • Non factory original R-3 barrel lid
  • Made from High Density Acrylic
  • This lid is over Twice as strong as original lids
  • Includes Retainer ring
  • Approximately 4" Diameter

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