Amazon.com : Sharpie Oil-Based Paint Marker, Medium Point, Black Ink, Pack of 3 : Office Products
I also use the white one to highlight the top edge of front and rear sights on my Glock 44 which has standard glock sights. Makes it much easier to get top edges lined up.
I also use the white one to highlight the top edge of front and rear sights on my Glock 44 which has standard glock sights. Makes it much easier to get top edges lined up.