The Marble Arms 31MR Fiber Optic Front Sight is a precision-machined, ramp-mounted front sight built for a clear, highly visible sight picture. This configuration is .312 in high with a .340 in base and a 1/16 in green fiber-optic insert.
- .312 in sight height
- .340 in base width
- Ramp-mounted configuration
- 1/16 in green fiber-optic insert
- UV-protected fiber-optic element
