Description
Holosun Technologies 407/507k Adapter, Black, Fits Fn 509 Kplt-fn509
Model: 407/507K Adapter
Product Type: Adapter
Fit: FN 509
Model: 407/507K Adapter
Product Type: Adapter
Fit: FN 509
⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition. Please check HERE if your state requires additional documentation for ammo orders to ship. Ammo cannot be shipped to a PO Box.