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Continue to ChatTandemKross Ruger MKIV "Cornerstone" Safety Thumb Ledge https://www.deltamike.co.nz/product/tandemkross-ruger-mkiv-cornerstone-safety-thumb-ledge/
TandemKross Ruger MKIV "Cornerstone" Safety Thumb Ledge https://www.deltamike.co.nz/product/tandemkross-ruger-mkiv-cornerstone-safety-thumb-ledge/