This is a precision-made set of Gemtech shims used on 7.62/.308 rifles with 5/8-24 threads. Use these shims to achieve perfect alignment and timing.

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Product Review

This is a precision-made set of Gemtech shims used on 7.62/.308 rifles with 5/8-24 threads. Use these shims to achieve perfect alignment and timing.

  • Precision-made shim washers for perfect alignment and timing.
  • Fits 7.62/.308 rifles with 5/8-24 threads.
  • 5 Piece Set

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