Precision machined from Aircraft Aluminum and black anodized finished, the UTGA(R) ACCU-SYNCA(R) 45 Degree Angle Flip Up Front Sight is a great choice for a back up battle sight. No need to co-witness with a primary optic, the 45 degree angled offset positions the sights off of the optic plane. The Posi-lock retention detent prevents the sight from collapsing when in use. The sight features a too-free integreated elevation adjustment. Fits to any MIL-