FN M249 & MK 46 Rear Sight Base Locking Washer

Description: FN M249 & MK 46 Rear Sight Base Locking Washer. This steel locking washer goes on before the screw to hold the rear sight base securely. Sold individually, this black washer's textured finish helps to secure the rear sight assembly. For use on your MK 46, M249 SAW, M249S, M249 PARA, and MINIMI whether manufactured by FNH, FN Herstal, FNH USA, or FN America. This is a factory original FN part made to the same high standards as the parts already in your FN firearm. FN America factory parts and accessories are made with the same quality in materials and workmanship that you have come to expect and trust from FN America.

Manufacturer: FN America

Note: It is recommended that all FN parts be installed by a qualified gunsmith.