AR-15 Upper Receiver Lapping Tool View larger

AR-10 Upper Receiver Lapping Tool

623a7a6f P5500162

New product

Items that are in stock will ship within 7 days. If not in stock, this item is custom made to order.


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Use this lapping tool in a 3/8" electric drill to square the upper receiver face of an AR-10. This will improve the mating between the barrel and receiver & needs to be used with lapping compound. The pilot will also fit into the bolt carrier tunnel to keep perfect alignment throughout the receiver for improved accuracy.

  • Use in 3/8" electric drill to square upper receiver face
  • Pilot fits in bolt carrier tunnel
  • Use with lapping compound
  • 8 1/4" OAL
  • MTL: Steel