Small FN 509™ Backstrap to customize the FN 509 grip length for optimization of grip purchase and to adapt to individual preference and hand size. FN 509™ Backstraps will not work with FNS series pistols.
WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65Warnings.ca.gov
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