Shibuya Ultima RC III / PRO Sight Block

Designed to suite the RC Series Sights, including RC II / III / Pro Models Redesigned Sight Pin Locker ULTIMA RC PRO features a redesigned sight pin locker with a tool-less thumb screw. Enjoy an effortless shooting experience that not only improves usability, but cuts down on the time needed for adjustments by eliminating the hex wrench for adjustments.