HK Folding Front Sight, 203622 ArtNo.: Foldable front sight for quick-release. Open front sight, 33 mm sighting line. Fits: MR556A1, MR762A1, HK416 (10,14.5, 16.5, 20 inch barrel lengths), HK417 (12, 16 inch barrel lengths). Use with rear drum sight 227635, 233197. |