HOLOSUN 407/507K Adapter
HOLOSON 407/507K Adapters are available for HOLOSUN’s 407/507K Reflex Sights; MOS, HS507C Footprint, CZP10, and FN509.
Xtreme Guns and Ammos carries a huge inventory of HOLOSUN Sights and Accessories. Shop Online anytime. Call, or chat with a HOLOSUN Optic specialist at 832-363-3783 during regular store hours for answers to all of your HOLOSUN questions and needs.