C&H Precision Optics Adapter Plate FN 509 510 545 V4 MIL LEO to Holosun 407K 507K Jumpsuit UPC MPN SKU FINISH SIZE HG SH2448 4 UPC MPN SKU FINISH SIZE STOCKED ORIGIN 666406012896 B08V BP LRG B08V BP LRG Plain Large N US 666406012902 B08V BP MED B08V BP MED Plain Medium N US 666406012919 B08V BP SM B08V BP SM Plain Small N US 666406012926 B08V BP XLG B08V BP XLG Plain XL N US 666406012933 B08V BP XSM B08V BP XSM Plain XS N US B08V BP XXL B08V BP XXL Plain 2XL N US 666406012957 B08V BW LRG B08V BW LRG Basket Weave Large N US 666406012964 B08V BW MED B08V BW MED Basket Weave Medium N US 666406012971 B08V BW SM B08V BW SM Basket Weave Small N US 666406012988 B08V BW XLG B08V BW XLG Basket Weave XL N US 666406012995 B08V BW XSM B08V BW XSM Basket Weave XS N US 666406012940 B08V BW XXL B08V BW XXL Basket Weave 2XL N US 12 piece bit set for on the go repairs C&H Precision Optics Adapter Plate FN 509 510 545 V4 MIL LEO to Holosun 407K 507K Since all the mounting hardware is replaceable