Cart Remove item Thumbnail image Product Price Quantity Subtotal × Picatinny Rail Stock Adapter – Semi Auto M11/9 or M11A1 380 or M12 $87.99 Picatinny Rail Stock Adapter – Semi Auto M11/9 or M11A1 380 or M12 quantity $87.99 × Safety Button - Parkerized Steel $17.59 Safety Button - Parkerized Steel quantity $17.59 × M10 Retaining Spring $7.69 M10 Retaining Spring quantity $7.69 × Slotted Barrel Extension for the M10/9 or M11/9 $120.99 Slotted Barrel Extension for the M10/9 or M11/9 quantity $120.99 Update cart Cart totals Subtotal $234.26 Shipment Enter your address to view shipping options. Calculate shipping Country / region Select a country / region… United States (US) State / County City: Postcode / ZIP: Update Tax $0.00 Total $234.26 Proceed to checkout