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Picatinny interface for the Swiss SIG 55x rifles. This adapter allows mounting of picatinny-compatible stocks on the SIG 55x rifles. It comes with the necessary hardware to mount it (pin).



  • Picatinny interface for the stock adapter
  • anodized aluminum
  • fits US-made 551A1
  • Fits Swiss-made 550, 551, 552, 553
  • made by SIG SAUER Switzerland

Picatinny Adapter for the SIG 55x Rifles

SKU: 3172
Out of Stock
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