Brownells 8-40 x 1/2" Fillister Head Sight Base Screws - 12 Pack

A refill pack of 12 fillister head screws designed for attaching sight bases to firearms. These 8-40 x 1/2" screws are a common standard size used in gunsmithing for scope base and sight base installations. The fillister head style provides a low-profile, clean seating surface ideal for precision optics work. Ideal for gunsmiths and enthusiasts looking to stock up on replacement hardware for sight base mounting projects.