CHPWS Springfield Echelon Adapter Plate for Holosun 407K/507K – SA-ECH-HOLOK

C&H Precision Weapons Echelon to Holosun, Optic Mounting Plate, Fits Springfield Echelon, Compatible with Holosun 407K/507K, Anodized Finish, Black SA-ECH-HOLOK

Comes with all screws needed.