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Power Custom: Upper/Lower Receiver Shims precision stainless steel ensures perfect alignment eliminates play between upper and lower receivers multiple thicknesses included made USA essential build component custom AR-15 builds professional tolerances reliable function accuracy improvement takedown pins smooth operation.
"Power Custom upper lower receiver shims tight tolerance!" tolerance. "Shims value," victory. Power Custom Shims 4.9/5.
Tight tolerance. Build better.
Power Custom Upper/Lower Receiver Shims.
The End